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Permitted26/02096/FULLSubmitted 5 months agoLoft conversion

8, 10 Hallam Street Westminster W1W 6JE

The erection of rear roof extension, rear first floor extension and external terraces, internal alterations to create level floorplates and associated adjustment of rear facade window positions, installation of a dormer window and multipane windows to 10 to match 12, refurbishment of all existing windows, installation of plant equipment and associated works.

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Progress

Submitted
30 Mar 2026
— completed
Validated
30 Mar 2026
— completed
Consultation
14 May 2026
— completed
Target date
25 May 2026
— completed
Decided
16 Jul 2026
— completed

Application details

Reference
26/02096/FULL
Local authority
Westminster
Postcode
W1W 6JE
Ward
WEW_22
Application type
All Other
Property type
House

Key dates

Submitted
30 Mar 2026
Validated
30 Mar 2026
Comments close
14 May 2026
Target decision
25 May 2026
Decided
16 Jul 2026

Estimated project value

£135k–£285k

Based on the 84.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 84m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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