12 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL Data via plota.co.uk
Proposal
Single storey front extension incorporating porch; Conversion of garage to habitable room, Replace garage door with window in front elevation; Single storey side extension; Single storey rear extension; Installation of Juliette balcony to rear dormer; Roof lights in side roof slopes; External alterations (Demolition of side extension and shed) Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 9 Oct 2026; it is now day 57.
Documents 10
Statements & assessments 6
Plans & drawings 3
Application forms 1
Site constraints 6
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 2
Last sold for £720,000 in August 2025. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in September 2024, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in Harrow - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
67 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN
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51 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SN
Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; ...
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Important details
Decision outlook
Day 57, past the statutory target. 83% of demolitions in Harrow are decided within thirteen weeks, which runs to 12 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 7 Oct 2026.
Plota live figures for demolitions decided by Harrow in the last twelve months, from validation. Harrow decision record →
Consultation & key dates
- Statutory expiry
- 8 Oct 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Harrow ranks #115 out of 296 councils for householder decision speed. Harrow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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12 Greystoke Avenue, North Harrow, Pinner, Harrow, HA5 5SL
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