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Permitted20/00957/NMASubmitted 6 years agoBasement

61 Lyall Mews Westminster SW1X 8DJ

Amendments to planning permission dated 3 August 2018 (RN: 18/05128) for 'Excavation to form an enlarged single storey basement level underneath the footprint of the single-family dwelling house, external alterations to the facade and at roof level including mechanical plant and refurbishment throughout'. Namely, to allow amendments including reduction in size of the rooflight, provision of alternative mechanical plant at roof level, retention of existing brick vents to front and rear elevations, and alarm panel to front elevation.

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Map of the site

Progress

Submitted
11 Feb 2020
— completed
Validated
11 Feb 2020
— completed
Consultation
— completed
Target date
10 Mar 2020
— completed
Decided
2 Apr 2020
— completed

Application details

Reference
20/00957/NMA
Local authority
Westminster
Postcode
SW1X 8DJ
Ward
KBC_02
Application type
All Other
Property type
House

Key dates

Submitted
11 Feb 2020
Validated
11 Feb 2020
Target decision
10 Mar 2020
Decided
2 Apr 2020

Estimated project value

£135k–£340k

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: trade estimate.

Recently sold nearby

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

Homes here go for about £6,000,000 — the median of the last 7 market sales in SW1X 8DJ, £2,050,000 to £9,500,000.

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.

Nearby applications