20 Marmion Road, Henley-on-Thames, RG9 1DG Data via plota.co.uk
Proposal
Erection of a ground floor rear infill extension, part two storey rear extension, internal reconfiguration and associated works. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision around 1 Nov 2026, from South Oxfordshire's recent extensions. Comments are open until 16 Oct 2026.
Comment on this application ↗Documents 1
Application forms 1
Site constraints 3
Checked on 25 September 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 £610,000 in June 2026. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in South Oxfordshire - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- South Oxfordshire
- Application type
- Householder Application
- Postcode
- RG9 1DG
- Received
- 7 Sept 2026
- Validated
- 7 Sept 2026
- Case officer
- Show
- Target decision
- 2 Nov 2026
- Applicant
- Show
- Agent
- ProPlan Designs
Decision outlook
Day 27 of the 56-day target. South Oxfordshire usually decides extensions by day 55.
Plota live figures for extensions decided by South Oxfordshire in the last twelve months, from validation. South Oxfordshire decision record →
Public comments
No public comments yet.
Last counted 29 Sept 2026
Consultation & key dates
- Consultation
- 14 Sept 2026
- Comments by
- 16 Oct 2026
- Site or press notice
- 25 Sept 2026
- Statutory expiry
- 2 Nov 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
South Oxfordshire is faster than most councils at deciding householder applications, ranking #89 out of 296. Householder applications are more likely to be approved here than most councils, with a 98% approval rate 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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20 Marmion Road, Henley-on-Thames, RG9 1DG
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