20 and 22, Blenheim Road, Slough, SL3 7NJ Data via plota.co.uk
Proposal
Construction of a proposed part single storey, part two storey side and rear extension to existing dwelling, plus demolition of existing side garage to No.20. Proposed part single storey, part two storey side and rear extension to existing dwelling to No.22. Data via plota.co.uk
Application progress
Refused on 7 Aug 2026 · Delegated · Last checked 8 Aug 2026
Site constraints 5
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate 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.
Building
From the energy performance certificate lodged in October 2024, the latest held for this property. The building may have changed since. View the certificate
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Important details
How this decision compares
Decided in 53 days from validation, about the council's usual 53 days. Refused, as 19% of extensions here are.
Plota live figures for extensions decided by Slough in the last twelve months, from validation. Slough decision record →
Consultation & key dates
- Alt. reference
- PP-14935250
- Site or press notice
- 15 Jun 2026
- Statutory expiry
- 28 Aug 2026
Historical activity at this location
15 nearby applications on record - archival context, not part of the live application.
Nearby activity
Slough is slower than most councils at deciding householder applications, ranking #263 out of 296. Slough is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.
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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20 and 22, Blenheim Road, Slough, SL3 7NJ
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