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Permitted21/03041/HHPASubmitted 5 years agoRear extension

12 Derrick Road Bromley Custodian Code BR3 3QQ

Single storey rear extension, extending beyond the rear wall of the original house by 3.60m, for which the maximum height would be 3.80m, and for which the height of the eaves would be 3.00m (42 Day Notification for Householder Permitted Development Prior Approval.

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Map of the site

Progress

Submitted
30 Jun 2021
— completed
Validated
30 Jun 2021
— completed
Consultation
—
— completed
Target date
11 Aug 2021
— completed
Decided
5 Aug 2021
— completed

Application details

Reference
21/03041/HHPA
Local authority
Bromley
Postcode
BR3 3QQ
Ward
KELEDN
Application type
Prior Approval
Property type
House

Key dates

Submitted
30 Jun 2021
Validated
30 Jun 2021
Target decision
11 Aug 2021
Decided
5 Aug 2021

Estimated project value

£39k–£64k

Based on the 17.0m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 17m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 3 recent sales are listed below.

Homes here go for about £677,500 — the median of the last 8 market sales in BR3 3QQ, £632,500 to £780,000.

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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