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Permitted21/AP/2708Submitted 5 years agoRear extension

121 Alleyn Park London Borough of Southwark SE21 8AA

Construction of ground floor L shape rear extension.

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Progress

Submitted
2 Aug 2021
— completed
Validated
2 Aug 2021
— completed
Consultation
2 Sept 2021
— completed
Target date
26 Sept 2021
— completed
Decided
22 Sept 2021
— completed

Application details

Reference
21/AP/2708
Local authority
Southwark
Postcode
SE21 8AA
Ward
DUWO
Application type
Householder
Property type
House

Key dates

Submitted
2 Aug 2021
Validated
2 Aug 2021
Comments close
2 Sept 2021
Target decision
26 Sept 2021
Decided
22 Sept 2021

Estimated project value

£41k–£75k

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: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

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 £1,950,000 — the median of the last 7 market sales in SE21 8AA, £650,000 to £4,000,000.

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