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Permitted20/04521/LDCPSubmitted 5 years agoLoft conversion

26 Tritton Road London Borough of Lambeth SE21 8DE

Application for a Certificate of Lawful Development (Proposed) with respect to replacement of existing attic style dormer window with the erection of a new extension, together with a new extension over the existing rear outrigger.

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Progress

Submitted
29 Dec 2020
— completed
Validated
29 Dec 2020
— completed
Consultation
—
— completed
Target date
23 Feb 2021
— completed
Decided
15 Feb 2021
— completed

Application details

Reference
20/04521/LDCP
Local authority
Lambeth
Postcode
SE21 8DE
Ward
GIPSY
Application type
All Other
Property type
House

Key dates

Submitted
29 Dec 2020
Validated
29 Dec 2020
Target decision
23 Feb 2021
Decided
15 Feb 2021

Estimated project value

£25k–£51k

Based on the 15.0m² 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: 15m² · 1 additional bedrooms

Recently sold nearby

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

Homes here go for about £604,625 — the median of the last 8 market sales in SE21 8DE, £435,000 to £1,137,500.

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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