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PendingPL/0414/26Submitted 6 months agoLoft conversion

18 SPARKBRIDGE ROAD Harrow HA1 1TJ

Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer with Juliette balcony; two roof lights in front roof slope; window in end gable

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Progress

Submitted
16 Feb 2026
— completed
Validated
16 Feb 2026
— completed
Consultation
11 Mar 2026 (target)
— not yet reached
Target date
13 Apr 2026 (target)
— not yet reached
Decided
—
— not yet reached

Application details

Reference
PL/0414/26
Local authority
Harrow
Postcode
HA1 1TJ
Ward
Marlborough
Application type
All Other
Property type
House

Key dates

Submitted
16 Feb 2026
Validated
16 Feb 2026
Comments close
11 Mar 2026
Target decision
13 Apr 2026

Estimated project value

£42k–£87k

Based on the 27.8m² 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: 27.77m² · 2 additional bedrooms

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Homes here go for about £501,000 — the median of the last 6 market sales in HA1 1TJ, £242,500 to £635,000.

Contains HM Land Registry data © Crown copyright and database right 2023. 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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