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PermittedP/4704/21Submitted 4 years agoRear extension

50 Borrowdale Avenue Harrow HA3 7PZ

Single storey rear extension; re-location of main entrance to front elevation.

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Progress

Submitted
26 Nov 2021
— completed
Validated
26 Nov 2021
— completed
Consultation
24 Dec 2021
— completed
Target date
25 Jan 2022
— completed
Decided
24 Jan 2022
— completed

Application details

Reference
P/4704/21
Local authority
Harrow
Postcode
HA3 7PZ
Ward
Marlborough
Application type
Householder
Property type
House

Key dates

Submitted
26 Nov 2021
Validated
26 Nov 2021
Comments close
24 Dec 2021
Target decision
25 Jan 2022
Decided
24 Jan 2022

Estimated project value

£68k–£115k

Based on the 30.3m² 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: 30.3m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 5 recent sales are listed below.

Homes here go for about £550,000 — the median of the last 7 market sales in HA3 7PZ, £497,000 to £1,000,000.

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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