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Permitted25/01305/PLUDSubmitted over a year agoLoft conversion

21 Thornton Road Bromley Custodian Code BR1 5AP

Loft conversion with a hip-to-gable enlargement and rear dormer. 3 x front facing roof lights. LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)

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Map of the site

Progress

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

Application details

Reference
25/01305/PLUD
Local authority
Bromley
Postcode
BR1 5AP
Ward
PLAIST
Application type
All Other
Property type
House

Key dates

Submitted
4 Apr 2025
Validated
4 Apr 2025
Target decision
30 May 2025
Decided
28 May 2025

Estimated project value

£53k–£110k

Based on the 35.0m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 35m² · 1 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £536,250 — the median of the last 8 market sales in BR1 5AP, £320,000 to £735,000.

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.

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