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RefusedP/0453/23Submitted 3 years agoAnnexe

76 Birchmead Avenue Harrow HA5 2BH

Conversion of detached garage /outbuilding into 'Granny' annexe for use incidental to main dwelling; external alterations

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Progress

Submitted
13 Feb 2023
— completed
Validated
13 Feb 2023
— completed
Consultation
7 Mar 2023
— completed
Target date
2 May 2023
— completed
Decided
2 May 2023
— completed

Application details

Reference
P/0453/23
Local authority
Harrow
Postcode
HA5 2BH
Ward
Pinner South
Application type
Householder
Property type
House

Key dates

Submitted
13 Feb 2023
Validated
13 Feb 2023
Comments close
7 Mar 2023
Target decision
2 May 2023
Decided
2 May 2023

Estimated project value

£180k–£305k

Based on the 81.0m² of floor area stated in the application, at outer London rates (2026). Source: trade estimate, annexe £1,800-£3,000/m².

Floor area gained: 81 · 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 £880,000 — the median of the last 7 market sales in HA5 2BH, £702,000 to £1,395,000.

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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