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Permitted25/01098/FULSubmitted over a year agoLoft conversion

86 Grantham Road London Borough of Lambeth SW9 9EB

Erection of a rear mansard roof extension and installation of three front roof lights. (To Top Floor Flat)

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Map of the site

Progress

Submitted
4 Apr 2025
— completed
Validated
4 Apr 2025
— completed
Consultation
16 May 2025
— completed
Target date
30 May 2025
— completed
Decided
29 May 2025
— completed

Application details

Reference
25/01098/FUL
Local authority
Lambeth
Postcode
SW9 9EB
Ward
STEAST
Application type
All Other
Property type
Flat

Key dates

Submitted
4 Apr 2025
Validated
4 Apr 2025
Comments close
16 May 2025
Target decision
30 May 2025
Decided
29 May 2025

Estimated project value

£41k–£85k

Based on the 25.0m² 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: 25m²

Recently sold nearby

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

Homes here go for about £575,000 — the median of the last 7 market sales in SW9 9EB, £385,000 to £1,060,000.

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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