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PermittedP/0513/23Submitted 3 years agoLoft conversion

35 Borrowdale Avenue Harrow HA3 7PY

Alterations and extension to roof; rear dormer; rooflights in front and both side roofslopes; single storey rear infill extension; external alterations

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Progress

Submitted
16 Feb 2023
— completed
Validated
16 Feb 2023
— completed
Consultation
13 Mar 2023
— completed
Target date
13 Apr 2023
— completed
Decided
13 Apr 2023
— completed

Application details

Reference
P/0513/23
Local authority
Harrow
Postcode
HA3 7PY
Ward
Wealdstone South
Application type
Householder
Property type
House

Key dates

Submitted
16 Feb 2023
Validated
16 Feb 2023
Comments close
13 Mar 2023
Target decision
13 Apr 2023
Decided
13 Apr 2023

Estimated project value

£105k–£220k

Based on the 70.0m² 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: 70m²

Recently sold nearby

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

Homes here go for about £548,500 — the median of the last 8 market sales in HA3 7PY, £330,000 to £765,000.

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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