East of England · Postcode district AL6
Who owns Welwyn?Corporate & overseas land ownership in AL6
The companies and organisations that hold property in Welwyn, from HM Land Registry’s corporate and overseas ownership records — with a direct line into the planning constraints for any address in the district.
Real HM Land Registry data
Real HM Land Registry data (CCOD + OCOD, July 2026) covering all 2,784 postcode districts of England and Wales. Companies and organisations only; private individuals are never included.
255
Corporate titles
1%
Overseas-owned
3 titles
171
Distinct owners
£79.0m
Recorded price paid
Overseas ownership in AL6
Where the 3 overseas-owned titles in Welwynare registered, by the owning company’s country of incorporation.
Largest corporate owners in Welwyn
Owners holding the most indexed titles in AL6, largest first.
| Owner | Origin | Type | Titles |
|---|---|---|---|
| WELWYN HATFIELD BOROUGH COUNCIL | UK company | Local Authority | 7 |
| BRITISH TELECOMMUNICATIONS PLCReg. no. 1800000 | UK company | Limited Company or Public Limited Company | 6 |
| HERTFORDSHIRE COUNTY COUNCIL | UK company | County Council | 6 |
| CLARION HOUSING ASSOCIATION LIMITEDReg. no. 7686 | UK company | Community Benefit Society (Company) | 5 |
| MCMULLEN & SONS LIMITEDReg. no. 51456 | UK company | Limited Company or Public Limited Company | 5 |
| SOVEREIGN NETWORK GROUPReg. no. 7448 | UK company | Community Benefit Society (Corporate Body) | 5 |
| A E BULLOCK LIMITEDReg. no. 00880819 | UK company | Limited Company or Public Limited Company | 4 |
| CANDOUR CARE SERVICES LIMITEDReg. no. 04007229 | UK company | Limited Company or Public Limited Company | 4 |
| DAS LAND LIMITEDReg. no. 11729221 | UK company | Limited Company or Public Limited Company | 3 |
| FIRST GARDEN CITIES HOMES LIMITEDReg. no. 8333 | UK company | Community Benefit Society (Company) | 3 |
| GREENE KING RETAILING LIMITEDReg. no. 05265451 | UK company | Limited Company or Public Limited Company | 3 |
| INNVENTURE LIMITEDReg. no. 04792721 | UK company | Limited Company or Public Limited Company | 3 |
| NETWORK RAIL INFRASTRUCTURE LIMITEDReg. no. 02904587 | UK company | Limited Company or Public Limited Company | 3 |
| PEABODY TRUSTReg. no. 7741 | UK company | Community Benefit Society (Corporate Body) | 3 |
| THE GRANARY (TEWIN HILL) LIMITEDReg. no. 01468454 | UK company | Limited Company or Public Limited Company | 3 |
| THE ST ALBANS DIOCESAN BOARD OF FINANCEReg. no. 145227 | UK company | Corporate Body | 3 |
| UIDUK LTDReg. no. 07733538 | UK company | Limited Company or Public Limited Company | 3 |
| 61 NEW ROAD LLPReg. no. OC434319 | UK company | Limited Liability Partnership | 2 |
| A H MANAGEMENT SERVICES LTDReg. no. 13118918 | UK company | Limited Company or Public Limited Company | 2 |
| A T JENKINS LIMITEDReg. no. 00813573 | UK company | Limited Company or Public Limited Company | 2 |
Types of owner in AL6
From owner to buildability
Knowing who owns the land in Welwyn is only half the picture. Run a specific address through the free checker to see what planning constraints apply — conservation areas, flood risk, listed buildings, green belt and 50+ datasets — the factors that decide what can actually be built or changed.
Frequently asked
How much of Welwyn is owned by companies?+
This index holds 255 property titles in the AL6 postcode district whose registered owner is a company or organisation, not a private individual — spread across 171 distinct entities. HM Land Registry publishes corporate and overseas ownership but not individual owners, so this is the corporate slice of ownership in Welwyn.
How much of AL6 is owned from overseas?+
Around 1% of the corporate-owned titles indexed in Welwyn are held through a company registered outside the UK — typically in jurisdictions such as Jersey, the British Virgin Islands or Guernsey. Overseas ownership is recorded by HM Land Registry in the OCOD dataset.
Can I see who owns a specific building in Welwyn?+
Ownership here is matched to a location by postcode, because HM Land Registry does not publish a link between title numbers and mapped parcels. It's a screening indicator: it tells you which companies hold property in AL6 and roughly where, but to confirm the owner of one specific building you'd order an official copy of the register for that title.
How does ownership relate to planning constraints in AL6?+
Ownership tells you who holds the land; planning constraints tell you what can be done with it. Planning Constraints combines both — check any address in Welwyn to see conservation areas, flood zones, listed buildings and 50+ datasets, alongside the corporate-ownership picture for that postcode.
Ownership is drawn from HM Land Registry’s corporate (CCOD) and overseas (OCOD) ownership datasets and aggregated by postcode district. HM Land Registry does not publish a link between title numbers and mapped land parcels, so this is a district-level screening indicator, not a title-plan boundary. We show the owning company, its jurisdiction, category and holding counts — not exact property addresses (their use is licence-restricted). Private individuals are never included; these datasets cover companies and organisations only.
Source: Source: HM Land Registry — UK companies (CCOD) and overseas companies (OCOD) that own property in England and Wales. Information produced by HM Land Registry. © Crown copyright 2026 Data as at July 2026.
Note: Corporate ownership reflects HM Land Registry’s record of the current registered proprietor and can lag transactions by weeks or months. Ownership is matched to a location by postcode, not by title-plan boundary, so treat it as a screening indicator — always confirm with an official copy of the register before relying on it.