175 The Avenue Sunbury-on-Thames TW16 5EH Data via plota.co.uk
Proposal
Erection of a part single part two storey rear extension, with a two storey side extension, roof extension with 2 no. rear pitched roof elements with 2 no. rear facing Juliet balconies and rear roof dormer and new front porch. Removal of the rear garden swimming pool outhouse. Data via plota.co.uk
Application progress
Approved on 21 Aug 2026 · Delegated Decision · Last checked 21 Aug 2026
Documents 7
Decision & officer reports 2
Application forms 1
Consultation & comments 3
Other documents 1
Site constraints 4
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England 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 £1,350,000 in May 2026. 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 January 2026, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Spelthorne
- Application type
- Householder Application
- Postcode
- TW16 5EH
- Received
- 22 Jun 2026
- Validated
- 22 Jun 2026
- Ward
- Sunbury East
- Parish
- Lower Sunbury And Halliford ED
- Case officer
- Show
- Target decision
- 17 Aug 2026
- Decision
- Grant Conditional
- Decision date
- 21 Aug 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- AsB Architecture Ltd
How this decision compares
Decided in 60 days from validation, 5 days slower than Spelthorne's median of 55 for demolitions. Approved, as 87% of demolitions here are.
Plota live figures for demolitions decided by Spelthorne in the last twelve months, from validation. Spelthorne decision record →
Public comments
4 neighbours consulted · Last counted 21 Aug 2026
Consultation & key dates
- Alt. reference
- PP-15029739
- Planning Portal ref
- PP-15029739
- Neighbours
- 24 Jun 2026
- Consultation
- 24 Jun 2026
- Comments by
- 15 Jul 2026
- Site or press notice
- 24 Jun 2026
- Statutory expiry
- 17 Aug 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Spelthorne ranks #124 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) 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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175 The Avenue Sunbury-on-Thames TW16 5EH
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