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Permitted25/02986/NMASubmitted over a year agoLoft conversion

3 Buckingham Mews Westminster SW1E 6NR

Amendments to planning permission dated 17 June 2024 (RN 24/00419/FULL) for: 'Erection of new mansard roof extension at front of building; installation of plant within enclosure to the rear roof; replacement of solar panels; and, raised party wall and associated works.' Namely, the addition of a rooflight, amendments to the glazing pattern at third floor level in the lightwell and to the dormer windows on the front elevation, and widening the existing party wall to the boundary with No.1 Buckingham Mews.

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Progress

Submitted
30 Apr 2025
— completed
Validated
30 Apr 2025
— completed
Consultation
— completed
Target date
28 May 2025
— completed
Decided
2 Jul 2025
— completed

Application details

Reference
25/02986/NMA
Local authority
Westminster
Postcode
SW1E 6NR
Ward
SJW_22
Application type
All Other
Property type
House

Key dates

Submitted
30 Apr 2025
Validated
30 Apr 2025
Target decision
28 May 2025
Decided
2 Jul 2025

Estimated project value

£37k–£100k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Homes here go for about £450,000 — the median of the last 3 market sales in SW1E 6NR, £80,000 to £1,220,000.

Contains HM Land Registry data © Crown copyright and database right 2023. 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.

Nearby applications