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Permitted21/AP/1518Submitted 5 years agoSide extension

46 Alleyn Park London Borough of Southwark SE21 8SF

Demolition of existing garage and replacement to provide living accommodation alongside a new front porch extension, and a ground floor rear/side extension.

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Progress

Submitted
14 May 2021
— completed
Validated
14 May 2021
— completed
Consultation
— completed
Target date
8 Jul 2021
— completed
Decided
2 Jul 2021
— completed

Application details

Reference
21/AP/1518
Local authority
Southwark
Postcode
SE21 8SF
Ward
DUWO
Application type
Householder
Property type
House

Key dates

Submitted
14 May 2021
Validated
14 May 2021
Target decision
8 Jul 2021
Decided
2 Jul 2021

Estimated project value

£115k–£190k

Based on the 47.0m² 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: 47 · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £973,651 — the median of the last 8 market sales in SE21 8SF, £796,000 to £1,315,000.

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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