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PendingPL/0913/25Submitted over a year agoRear extension

1 1-8 CASTLE MEWS Harrow HA1 1HP

Single storey rear extension to units 6-8; addition of roof to units 1-8

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Map of the site

Progress

Submitted
30 Apr 2025
— completed
Validated
30 Apr 2025
— completed
Consultation
11 Jun 2025 (target)
— not yet reached
Target date
25 Jun 2025 (target)
— not yet reached
Decided
—
— not yet reached

Application details

Reference
PL/0913/25
Local authority
Harrow
Postcode
HA1 1HP
Ward
Marlborough
Application type
All Other
Property type
House

Key dates

Submitted
30 Apr 2025
Validated
30 Apr 2025
Comments close
11 Jun 2025
Target decision
25 Jun 2025

Estimated project value

£1115k–£1855k

Based on the 495m² 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: 495m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

Homes here go for about £385,000 — the median of the last 7 market sales in HA1 (the wider postcode district), £120,000 to £900,000.

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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