17 Deodar Road SW15 2NP Data via plota.co.uk
Proposal
Alterations including enlargement of the existing rear dormer roof extension and installation of replacement French doors and safety railings; Increase to the width of the existing mansard roof extension and enlargement of the existing first floor side extension; Demolition of existing and erection of a replacement part-single, part-two storey rear extension at lower and upper ground floor levels, including formation of a replacement roof terrace at upper ground floor level, with metal safety rail and access stair to rear garden; Excavation to enlarge the existing basement, including formation of a front lightwell with a metal rail surround; Removal of existing side access door and installation of a new timber sash window; Installation of replacement double glazed windows to all elevations; Installation of 3x air source heat pumps and 7x solar pv panels to the flat roof of the rear mansard extension. 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 67.
Site constraints 14
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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 1
Last sold for £3,950,000 in March 2024. Semi-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 December 2020, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Wandsworth
- Application type
- Householder
- Postcode
- SW15 2NP
- Received
- 3 Aug 2026
- Validated
- 3 Aug 2026
- Ward
- Thamesfield
- Case officer
- Show
- Target decision
- 6 Oct 2026
- Applicant
- Show
- Agent
- Alex Tart Architects
Decision outlook
Day 67, past the statutory target. 93% of extensions in Wandsworth are decided within thirteen weeks, which runs to 2 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 extensions decided by Wandsworth in the last twelve months, from validation. Wandsworth decision record →
Consultation & key dates
- Alt. reference
- 15025052
- Comments by
- 17 Sept 2026
- Site or press notice
- 27 Aug 2026
- Statutory expiry
- 25 Sept 2026
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Wandsworth ranks #172 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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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17 Deodar Road SW15 2NP
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The consultation period closed on 17 Sept 2026.