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Permitted25/AP/2897Submitted 11 months agoBasement

54 Marmont Road London Borough of Southwark SE15 5TE

Increase of depth of the existing basement to create a gym/study, bedroom and WC including new bay window entrance door and retaining wall to create a light well at the front of the property with glass safety balustrade, and excavation of a lightwell with glass screen at the rear.

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Progress

Submitted
7 Oct 2025
— completed
Validated
7 Oct 2025
— completed
Consultation
—
— completed
Target date
1 Dec 2025
— completed
Decided
21 Nov 2025
— completed

Application details

Reference
25/AP/2897
Local authority
Southwark
Postcode
SE15 5TE
Ward
PECM
Application type
Householder
Property type
House

Key dates

Submitted
7 Oct 2025
Validated
7 Oct 2025
Target decision
1 Dec 2025
Decided
21 Nov 2025

Estimated project value

£180k–£265k

Based on the 33.0m² of floor area stated in the application, at inner London rates (2026). Source: trade estimate, basement £4,000-£6,000/m².

Floor area gained: 33m² · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 7 recent sales are listed below.

Homes here go for about £385,000 — the median of the last 7 market sales in SE15 5TE, £305,000 to £680,000.

Contains HM Land Registry data © Crown copyright and database right 2026. 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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