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Permitted20/AP/3177Submitted 5 years agoRear extension

23A Copleston Road London Borough of Southwark SE15 4AN

Single storey side/rear extension and the conversion of basement into habitable space, with the addition of a front lightwell

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Progress

Submitted
3 Nov 2020
— completed
Validated
3 Nov 2020
— completed
Consultation
8 Dec 2020
— completed
Target date
29 Dec 2020
— completed
Decided
16 Dec 2020
— completed

Application details

Reference
20/AP/3177
Local authority
Southwark
Postcode
SE15 4AN
Ward
RYLA
Application type
All Other
Property type
House

Key dates

Submitted
3 Nov 2020
Validated
3 Nov 2020
Comments close
8 Dec 2020
Target decision
29 Dec 2020
Decided
16 Dec 2020

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

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.

Homes here go for about £633,000 — the median of the last 8 market sales in SE15 4AN, £385,000 to £1,765,000.

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.

Nearby applications