Oslo, Norway
Norway's land register (grunnboken) is public and names every registered owner, but reading it online needs a Norwegian ID-porten login and is meant mainly for private use, so Oslo's owners here come from the State's, the City's and listed landlords' own published pages.
10 buildings · 9 with an owner established · 30 sources · 6 tier A · 4 tier B · prepared 2026-10-20
Can you find out who owns it?
Ownership in Norway is recorded in the grunnboken (land register), run by Kartverket (the Norwegian Mapping Authority). Kartverket says the register is public and that it shows the registered owner (hjemmelshaver) — a person's name and date of birth, or a company's name and organisation number — with each owner's fractional share. Anyone can search the cadastre (matrikkelen) in Kartverket's Eiendomsregisteret service, but seeing the land-register printout requires an ID-porten login and is 'mainly for private use'; a certified printout costs NOK 260 per document. The register also records each transfer and its price (vederlag), and businesses with a legal basis can get the data free through Kartverket's API.
Is ownership public?Public, but one paid search at a time
Cost of one title searchNOK 260 per document (certified land-register printout or copy of a registered document; no VAT) — uncertified view free after ID-porten login, 'mainly for private use'
Bulk ownership dataKartverket API for matrikkel and grunnbok: free real-time data for businesses with a legal basis (hjemmel) and their own interface, by application/agreement
Sale pricesEvery sale, with its address
Sites that forbid taking their data
- finn.no — “Innholdet er beskyttet etter åndsverksloven. Bruk av automatiserte tjenester (roboter, spidere, indeksering m.m.) samt andre fremgangsmåter for systematisk eller regelmessig bruk er ikke tillatt uten eksplisitt samtykke fra FINN.no. (robots.txt: 'Crawling FINN.no is prohibited unless you have written permission.')”
- eiendomsregisteret.kartverket.no — “'Du må logge inn fordi de tilgjengelige grunnboksutskriftene hovedsakelig skal være til privat bruk.' (You must log in because the land-register printouts available are mainly for private use.) Not a scraping ban, but it rules out using the free view as an owner source here.”
1
The marquee buildings
The towers that set the tone of the core, and who holds them. A price is the price a document states, on the date it states — not an estimate of what the building is worth now.
| Building | Use | Owner | Owner type | Last price paid |
|---|---|---|---|---|
| Storting Building (Stortingsbygningen) and Stortingskvartalet Karl Johans gate 22 / Prinsens gate 26, Akersgata 21, Tollbugata 31, Nedre Vollgate 18–20, Oslo 17,097 m2 gross (main building); 64,106 m2 owned in all (2017) · 7 floors |
Civic | Storting (Stortinget, the Norwegian Parliament) Stortinget's own Document 18 (2017–2018), section 8.2.2, says its building stock consists mainly of two complexes — the Storting building with its extension toward Akersgata, and the Stortingskvartalet block (Prinsens gate 26, Akersgata 21, Tollbugata 31, Nedre Vollgate 18 and 20) — and lists them under 'Eid bygningsmasse' (owned buildings): Stortingsbygningen, 7 floors, 17,097 m2 gross, built 1866, cadastral unit 207/100; the 1955 extension 6,447 m2; garage 8,383 m2; with the owned stock totalling 64,106 m2, plus 143 commuter flats. Parliament owns its buildings itself, not through Statsbygg. Source is from 2018; no sale or price. |
Government | —A |
| Posthuset (former Postgirobygget) Biskop Gunnerus' gate 14, 0155 Oslo 50,860 m2 · 26 floors |
Office | Entra ASA Entra's property page: 'Posthuset, som tidligere gikk under navnet «Postgirobygget»' is 'Norges høyeste kontorbygg'; size 50,860 kvm, built 1976, 108 m and 26 storeys above street, beside Oslo S. Entra's Annual Report 2025 lists the subsidiary 'Biskop Gunnerus' gate 14A AS' and gives its head office at Biskop Gunnerus' gate 14 A. Entra is listed on Oslo Børs (ticker ENTRA). Its Q3 2026 report names Fastighets AB Balder (40.17%) and Castellum AB (37.13%) as its two largest shareholders on 14 Oct 2026. No purchase price is published. |
Public company | —A |
| Oslo City Hall (Oslo rådhus) Rådhusplassen 1, 0037 Oslo (cadastral unit 0301-209/339) 12,274.9 m2 parcel (calculated area) |
Civic | City of Oslo (Oslo kommune) Oslo kommune's 'Eiendomsoversikt' — a downloadable list of every property the City owns, as of October 2026 — lists 0301-209/339, Rådhusplassen 1, Sentrum, with the owner's contact body 'Eiendoms- og byfornyelsesetaten' (the City's Agency for Real Estate and Urban Renewal) and a calculated area of 12,274.9 m2. The City says the list shows properties 'Oslo kommune eier'. The building's history and height are not in this source. Never sold; no price. |
Government | —A |
| Bislett Stadium (Bislett stadion) Bislettgata 1, Oslo (cadastral unit 0301-217/30) 27,585.3 m2 parcel (calculated area) |
Institutional | City of Oslo (Oslo kommune) The City's October 2026 property list names 0301-217/30, Bislettgata 1, St. Hanshaugen, with 'Oslobygg KF' as the owner's contact body and a calculated area of 27,585.3 m2. Oslobygg KF is the City's property enterprise; its page says it manages about 1,800 buildings including 'idrettsanlegg' (sports venues) and 'nasjonalanlegg' (national venues). We identify the parcel as Bislett by its address only — the list gives no building name for it, hence tier B. No price. |
Government | —B |
| Oslo Central Station (Oslo S) and Østbanehallen Jernbanetorget 1, Oslo |
Mixed use | Bane NOR Eiendom AS Bane NOR Eiendom's Annual Report 2025 describes the company as 'forvalter og eier av landets stasjonsbygg med tilhørende jernbaneareal' (manager and owner of the country's station buildings and the railway land that goes with them), speaks of 'våre stasjoner', and reports that Oslo S Shopping (including Østbanehallen) had record turnover of NOK 1,405 million in 2025 with 46 million visitors. The detailed zoning plan for 'Nye Oslo S' — a new station hall and a high-rise — is going to public consultation. Bane NOR SF owns 100% of Bane NOR Eiendom AS and is itself 100% owned by the Ministry of Transport. No price: the station has never been sold. |
Government | —A |
| Bjørvika redevelopment (Barcode / Bispevika), Oslo S Utvikling Bjørvika, between Oslo S and the Oslofjord, Oslo |
Mixed use | Oslo S Utvikling AS (OSU) Entra ASA 50% Entra's Annual Report 2025 lists Oslo S Utvikling AS as a jointly controlled entity, held 50.00% since 01.07.2004, 'a property development company that is undertaking primarily residential development in Bjørvika in Oslo's CBD East'. English Wikipedia's Barcode article (s17) says OSU is responsible for developing the Barcode and names its owners as Entra, Linstow Eiendom and ROM Eiendom (the railways' former property arm); that composition was not confirmed against a current filing, so only Entra's 50% is stated here. Individual Barcode towers have been sold to separate owners not established here. No price. |
Developer | —B |
| Oslo Opera House (Operahuset) Bjørvika, Oslo (59°54′25″N 10°45′13″E) |
Institutional | Not established the source would not open Not established. English Wikipedia's infobox (s16) gives the client as Statsbygg (the Norwegian Directorate of Public Construction and Property) and the owner as 'Oslo Municipality', and says construction finished in 2007, NOK 300 million under its budget of NOK 4.4 billion. But the City's own October 2026 list of every property Oslo kommune owns (s11) has no entry at the Opera's address (Kirsten Flagstads plass), contradicting the infobox. Statsbygg's site serves its text only through an /api/ path that robots.txt disallows, and regjeringen.no is behind Cloudflare, so the State's ownership could not be confirmed. The land register would answer it, behind a Norwegian ID login. |
Not established | —B |
| Ullevaal Stadion (national football stadium) Sognsveien 75, Oslo |
Institutional | AS Ullevaal Stadion (wholly owned by the Football Association of Norway, NFF) English Wikipedia: 'The stadium is owned by AS Ullevaal Stadion, a limited company wholly owned by the Norwegian Football Association'; capacity 27,182, the largest football stadium in Norway, opened 26 September 1926. It also says that in January 1993 the club Lyn sold its 44% share to the NFF for NOK 4.4 million, and the NFF bought the other clubs' 5.1% to become sole owner; and that the stands and the commercial areas were later put into separate companies. Tier B: an encyclopedia, not checked against the NFF's own accounts. |
Institution | NOK NOK 4.4 million 1993-01 For a 44% share bought from the club Lyn (Wikipedia); not the price of the whole stadium. B |
| Byporten (Byporten Mall of Oslo, offices and hotel) Jernbanetorget 6, Oslo 41,128 m2 |
Mixed use | KLP Eiendom AS KLP Eiendom lists Byporten, Jernbanetorget 6, under 'Våre eiendommer' (our properties) in its Oslo portfolio (s26): 41,128 kvm of offices and shopping centre, with direct access from Oslo S; the property comprises the shopping centre (Byporten Mall of Oslo, about 80 shops and restaurants), offices and a hotel (Scandic Byporten, 9,119 kvm, listed separately). KLP Eiendom is owned by Kommunal Landspensjonskasse (KLP), which belongs to the municipalities and employers whose staff it insures. No purchase price was found. |
Pension fund | —A |
| Radisson Blu Scandinavia Hotel Holbergs gate 30, 0166 Oslo 37,505 m2 · 22 floors |
Hotel | KLP Eiendom AS KLP Eiendom's Oslo portfolio lists 'Radisson BLU Scandinavia Hotel', Holbergsgate 30, area 37,505 kvm, with 497 rooms on 22 floors near the Royal Palace. Radisson is the operating brand; the building is listed under KLP Eiendom's 'Våre eiendommer' (s26). KLP Eiendom says it owns over 2.7 million m2 worth NOK 111.4 billion (s25). No purchase price was found. |
Pension fund | —A |
2
The core land
The most valuable ground in the city, and what the public record says about it.
Oslo's most valuable ground is the centre between the Royal Palace, Oslo S and Bjørvika. No assessed-value list by parcel is published, so these figures are a listed landlord's valuations and rents, plus the City's own property list.
Office market value, Entra Oslo portfolioNOK 56,211 per m2 (NOK 41,983m for 746,872 m2)
Entra Q3 2026 report, segment table, 30 Sep 2026; values from two external appraisers.
Office rent, Entra Oslo portfolioNOK 3,072 per m2 a year (12-month rolling); market rent NOK 3,388 per m2
Entra Q3 2026 report, Oslo segment, 30 Sep 2026.
Net yield, Entra Oslo portfolio5.14%
Entra Q3 2026 report, Oslo segment, 30 Sep 2026; group 5.31%.
Land the City of Oslo owns inside the municipalityc. 193 km2 calculated parcel area, 6,927 properties
Our sum of 'Beregnet areal' over municipality-0301 rows in Oslo kommune's Eiendomsoversikt (per October 2026). It leaves out ground leased out and single flats.
3
Who owns the town
At this scale the significant owner is rarely a trust or a fund: it is one or two local holding companies, a family in its second or third generation, and often the land around the town rather than the buildings in it.
Most of Oslo's ground is held by public bodies. The City of Oslo (Oslo kommune) publishes a list of every property it owns, and that list alone covers about 193 km2 of calculated parcel area inside the municipality — most of it held by its property agency, which also holds forest and road land. The State holds the core of the city through Parliament, the railway's property company, the University and the former church-property fund (now Allstad). The State's central property agency, Statsbygg, could not be read (see automationBlocked). All figures below come from the holders' own publications.
| Name | Type | Holdings |
|---|---|---|
| City of Oslo — Eiendoms- og byfornyelsesetaten (Agency for Real Estate and Urban Renewal) Our own count and sum from the City's 'Eiendomsoversikt' XLSX (per October 2026), of rows where the owner's contact body is this agency and the parcel is in Oslo (municipality 0301). The agency calls itself 'kommunens grunneier' (the City's landowner). The list leaves out ground the City has leased out on long ground leases (festet bort) and single flats it owns, so the true holding is larger. Area is the list's 'Beregnet areal' (calculated area). |
Government | 5,624 properties; c. 186.3 km2 calculated parcel area in Oslo (Oct 2026)A |
| City of Oslo — Oslobygg KF The property count and area are our sums from the City's October 2026 list (s11). Oslobygg's own page (s12) calls it the City's property enterprise. It manages about 1,800 buildings — kindergartens, schools, care homes, nursing homes, cultural buildings, sports venues and fire stations — and invests NOK 5–6 billion a year. It was formed in 2021 by merging Omsorgsbygg, Undervisningsbygg and Kultur- og idrettsbygg. |
Government | 795 properties; c. 5.1 km2 parcel area; about 1,800 buildingsA |
| City of Oslo — Boligbygg Oslo KF Boligbygg's page: 'eier, forvalter og leier ut Oslos kommunale boliger. Vi har nesten 12 000 boliger, og det bor mer enn 25 000 mennesker hos oss. Med en million kvadratmeter boligareal er Boligbygg Norges største utleier av boliger.' The City's October 2026 list (s11) shows 429 whole properties under Boligbygg; flats it holds as single sections are not listed. |
Government | Nearly 12,000 homes; one million m2 of housingA |
| City of Oslo — Oslo Havn KF (Port of Oslo) Our count and sum from the City's October 2026 list (s11), where Oslo Havn KF is the owner's contact body for 79 properties. Oslo Havn's own page (s19) calls the port Norway's largest public cargo and passenger port, with 3,418 calls, 262,530 containers and 6.57 million passengers in 2025. |
Government | 79 properties; c. 0.93 km2 parcel areaA |
| Bane NOR Eiendom AS Bane NOR Eiendom's Annual Report 2025: gross managed area 828,000 m2 across 912 buildings, estimated portfolio market value NOK 31,539 million (book value NOK 15,558 million), about 200 development projects, and 5 million m2 of development potential. It describes itself as owner of the country's station buildings and their railway land. It is wholly owned by Bane NOR SF, which belongs to the Ministry of Transport. These figures are national, not Oslo-only. |
Government | 828,000 m2 gross managed area in 912 buildings (national); estimated market value NOK 31.5 billion (end-2025)A |
| Storting (Stortinget) Stortinget's Document 18 (2017–2018) lists the Storting building, its 1955 extension, the garage, Wessels plass 2, Nedre Vollgate 18 and 20, Tollbugata 31, Akersgata 21, Prinsens gate 26 and the goods reception as owned buildings totalling 64,106 m2; a further 8,398 m2 was leased. |
Government | 64,106 m2 owned building stock, plus 143 commuter flats (2017)A |
| University of Oslo (Universitetet i Oslo) UiO's board paper 'Masterplan for UiOs eiendommer' (2016): a building stock 'som består av 472 000 kvm eide og 110 000 kvm leide eiendommer', most of it on its campuses in Oslo. Half the owned space is described as in good condition and fit for purpose, and a quarter as poorly suited. The figure is ten years old. |
Institution | 472,000 m2 owned; 110,000 m2 leased (2016)A |
| Allstad AS (formerly Opplysningsvesenets fond) Allstad's English page: 'a state-owned enterprise' and 'one of Norway's largest landowners with property in around 300 municipalities'; it owns about 120 rectories and 877,000 hectares of forest and uncultivated land, and had about 5,900 ground-lease contracts at the end of 2023. Its main office is in Oslo, and its dividends go to the Kirkebevaringsfondet (church preservation fund). In Oslo it co-owns the redeveloped Oslo Hospital site with Stiftelsen Oslo Hospital, opened 20 August 2026 (s22). ovf.no now redirects to allstad.no. Oslo-only figures are not published. |
Government | Property in c. 300 municipalities; 877,000 ha of forest and uncultivated land; c. 5,900 ground leases (end-2023) — nationalA |
5
Who builds the houses
New-home building in this market: the volume, and the firms behind it. Ownership of a builder matters as much as its volume — a private-equity platform and a family firm behave differently.
Oslo builds about two thousand homes a year. Statistics Norway counts permits to start 1,764 dwellings and 2,122 completed in Oslo municipality in 2025, down from 2,495 and 3,239 in 2023 (s27). The biggest developer is the housing co-operative OBOS, which is owned by its members. Listed and private developers build too, and so do the State railway's property arm and joint ventures such as Oslo S Utvikling in Bjørvika. Most new flats are sold as owner-sections (eierseksjoner) or co-op shares (borettslag) to individuals, who are never named here. The City's Boligbygg is the largest landlord. No per-builder league table exists, so figures come from each company and most are national.
| Name | Type | Homes |
|---|---|---|
| OBOS BBL OBOS's investor-relations page: 'OBOS er Norges største boligutbygger og en av de største i Norden… I 2025 solgte vi 2602 boliger, fikk 21 531 nye medlemmer og et resultat før skatt på 372 millioner kroner.' OBOS is a co-operative owned by its members, with Oslo as its home market. The figure is group-wide. Its annual-report PDFs are on cdn.sanity.io, whose robots.txt disallows PDFs, so they were not opened. |
Private company | 2,602 homes sold in 2025 (group, national)A |
| Boligbygg Oslo KF (landlord, not a builder) The City's housing enterprise owns and lets Oslo's municipal homes and calls itself 'Norges største utleier av boliger'. Since 2021 new building has been done by Oslobygg KF rather than Boligbygg. |
Government | Nearly 12,000 rental homes; one million m2A |
| Oslo S Utvikling AS A 50/50 joint venture with Entra (per Entra's Annual Report 2025), 'undertaking primarily residential development in Bjørvika'. No unit count was found in an opened source. |
Developer | —A |
| Thon Gruppen AS (Thon Bolig) Thon Gruppen's half-year 2026 release: homes with a sales value of NOK 262 million were handed over in the first half of 2026, against NOK 15 million a year earlier. Unit counts are not given. Its site lists rental blocks in Oslo, such as Brugata and Storotunet. |
Private company | Homes worth NOK 262 million handed over, H1 2026 (group)A |
| Bane NOR Eiendom AS Annual Report 2025: 'Det ble ferdigstilt 44 (407) boliger på 1 (5) ulike utviklingsprosjekter', Bane NOR Eiendom's share being 2,459 m2 (13,462 m2). The figure is national. |
Government | 44 homes completed in 2025 (407 in 2024), nationalA |
6
Commercial landlords
The commercial side, counted separately from housing: who holds the office, retail and industrial floor area.
Oslo's office and retail stock is held by a few large domestic owners: listed Entra (now controlled by two Swedish listed landlords), the Thon group (taken private in 2026), and the pension fund KLP's property arm. Figures come from each owner's own report or site. Only Entra's is Oslo-specific; the others are group-wide, as each note says. Steen & Strøm, Storebrand, Aker Brygge's owner and other large holders were not checked.
| Name | Type | Portfolio |
|---|---|---|
| Entra ASA Entra Q3 2026 report, segment table: Oslo 45 properties, 746,872 sqm, occupancy 94.9%, market value NOK 41,983m. The whole group has 79 properties, 1,297,303 sqm, NOK 59,991m. The public sector accounts for about 48% of contracted rent. Listed on Oslo Børs; largest shareholders on 14 Oct 2026 were Fastighets AB Balder (40.17%) and Castellum AB (37.13%). |
Public company | Oslo: 45 properties, 746,872 m2, market value NOK 41,983 million (30 Sep 2026)A |
| Thon Gruppen AS Thon Gruppen half-year 2026 release: portfolio market value NOK 128.7 billion, annual rent NOK 8.4 billion, 70 shopping centres (60 in Norway) including Norway's five largest by sales, and 95 hotels with 14,210 rooms. It calls itself 'Norges største eiendomskonsern'. In July 2026 it bought Anthon Eiendom (16 properties, about 150,000 m2 in the Oslo area). Its finance page (s10) says it raised its stake in its listed property subsidiary from 75% to 100% in January 2026, after which the shares were delisted from Oslo Børs. The group is held through a foundation ('stiftelsesmodell'). Figures are group-wide. |
Private company | Property portfolio NOK 128.7 billion; 70 shopping centres; 95 hotels (30 Jun 2026, group)A |
| KLP Eiendom AS KLP Eiendom's own 'Om KLP Eiendom' page: 'KLP Eiendom eier over 2,7 millioner kvadratmeter eiendom, med en eiendomsverdi på 111,4 milliarder kroner'. It develops and manages offices, shopping centres, hotels, rental homes and sites in Scandinavian cities and London, and is owned by Kommunal Landspensjonskasse (KLP). Its portfolio page lists 65 properties, many in central Oslo (for example Akersgata 55, Stortorvet 7, Byporten and Karl Johans gate 37–41). Figures are group-wide, not Oslo-only. |
Pension fund | Over 2.7 million m2, property value NOK 111.4 billion (group, Nordic)A |
| Bane NOR Eiendom AS Annual Report 2025. Holds the station buildings and the property around Oslo S, including Oslo S Shopping and Østbanehallen (NOK 1,405 million turnover in 2025). State-owned through Bane NOR SF. Figures are national. |
Government | 828,000 m2 managed, 912 buildings; NOK 31.5 billion (national, end-2025)A |
?
Looked for and not found
Claims this page would have made if a source could be opened. They are left out rather than guessed.
- Oslo Opera House: owner (State via Statsbygg, or the City as Wikipedia's infobox says) — the City's own property list does not include it; Statsbygg unreadable.
- Government Quarter (Regjeringskvartalet): Statsbygg is building and holds it for the State — not confirmed, because statsbygg.no text loads from a robots-disallowed /api/ path and regjeringen.no is behind Cloudflare.
- Royal Palace (Slottet): State property managed by Statsbygg — not checked for the same reason.
- Statsbygg's total holdings in Oslo — no figure could be read.
- Oslo Airport Gardermoen (Avinor) lies in Ullensaker, outside Oslo municipality, so it is left out.
- Oslo Plaza hotel, Oslo City and Storo shopping centres, Aker Brygge, the Barcode towers: owners not checked against a filing in this pass.
- The current owners of Oslo S Utvikling beyond Entra's 50% (Wikipedia names Linstow and ROM Eiendom/Bane NOR) — not confirmed against a current filing.
- Selvaag Bolig, JM Norge, Veidekke and AF Gruppen Oslo-area housing volumes — not read.
- Per-sale prices: the land register records each transfer price, but no free published per-sale list for Oslo was opened.
§
Sources
- Om grunnboken (About the land register) — Kartverket · openA
- Eiendomsdokumenter med digital levering — Kartverket · openA
- Tilgang til eiendomsdata (Access to property data) — Kartverket · openA
- Eiendomsregisteret — help text (FAQ: 'Hvorfor må jeg logge inn…', fee NOK 260) — Kartverket · registrationA
- Dokument 18 (2017–2018), section 8.2.2 'Stortingets bygningsmasse' — Stortinget · openA
- Biskop Gunnerus' gate 14 – Posthuset — Entra ASA · openA
- Entra third quarter 2026 report — Entra ASA · openA
- Entra ASA Annual Report 2025 — Entra ASA · openA
- Thon Gruppens halvårsrapport for 2026 – resultat på 2,8 mrd. kroner — Thon Gruppen · openA
- Finansiell informasjon — Thon Gruppen · openA
- Eiendomsoversikt — properties Oslo kommune owns (XLSX, per October 2026) — Oslo kommune, Eiendoms- og byfornyelsesetaten · openA
- Oslobygg KF — om foretaket — Oslo kommune · openA
- Boligbygg Oslo KF — Oslo kommune · openA
- Eiendoms- og byfornyelsesetaten — Oslo kommune · openA
- Bane NOR Eiendom AS — Årsrapport 2025 — Bane NOR Eiendom AS · openA
- Oslo Opera House — Wikipedia · openB
- Barcode Project — Wikipedia · openB
- Ullevaal Stadion — Wikipedia · openB
- Om oss — Fakta 2025 — Oslo Havn KF · openA
- Masterplan for UiOs eiendommer (board paper D-sak 2, 2016) — Universitetet i Oslo · openA
- Information in English: Allstad — Allstad AS · openA
- Høytidelig åpning av Oslo Hospital — Allstad AS · openA
- Jernbanetorget 6 — Byporten — KLP Eiendom AS · openA
- Radisson BLU Scandinavia Hotel — KLP Eiendom AS · openA
- Om KLP Eiendom — KLP Eiendom AS · openA
- Portefølje — Våre eiendommer — KLP Eiendom AS · openA
- Table 05940: Boligbygg, etter region, statistikkvariabel og år (Oslo 0301, 2023–2025) — SSB API, licence stated at ssb.no/api — Statistics Norway (SSB) · openA
- Investor relations — OBOS BBL · openA
- API — Statistikkbanken (licence statement) — Statistics Norway (SSB) · openA
- robots.txt (terms notice) — FINN.no · openA