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Permitted23/00549/FULLSubmitted 3 years agoRear extension

20 Portsea Place Westminster W2 2BL

Erection of a single storey rear extension to infill lower ground floor courtyard; extension of closet wing at upper ground floor level; erection of staircase to front lightwell and access gates within existing railings; replacement and repairs to windows rear elevation; repairs to render and railing on front elevation; new roof coverings to main roof; Creation and use of new upper ground floor terrace; relocation of kitchen from first floor to rear of upper ground floor; internal re-wring; new plumbing and upgrade of building services; alterations and waterproofing to existing front lower ground floor vaults; Internal fabric repairs including waterproofing remedial works to lower ground floor; creation on new bathroom to lower ground floor, new bedroom; internal refurbishment throughout. (Linked with 23/00550/LBC)

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Progress

Submitted
6 Apr 2023
— completed
Validated
6 Apr 2023
— completed
Consultation
4 Jul 2023
— completed
Target date
1 Jun 2023
— completed
Decided
8 Apr 2024
— completed

Application details

Reference
23/00549/FULL
Local authority
Westminster
Postcode
W2 2BL
Ward
HPW_22
Application type
All Other
Property type
House

Key dates

Submitted
6 Apr 2023
Validated
6 Apr 2023
Comments close
4 Jul 2023
Target decision
1 Jun 2023
Decided
8 Apr 2024

Estimated project value

£25k–£41k

Based on the 10.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 10m² · 2 additional bedrooms

Recently sold nearby

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

Homes here go for about £1,925,000 — the median of the last 7 market sales in W2 2BL, £1,253,000 to £3,250,000.

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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