10 Garson Lane Wraysbury Staines TW19 5JF Data via plota.co.uk

26/01313/FULL - Full Refused

Proposal

Two storey front extension, part single part two storey rear/side extension, 1no. front canopy, raising of the eaves and ridge, 2no. front dormers, 2no. side dormers, 2no. rear dormers, 1no. rear Juliet balcony, new steps and alterations to fenestration following demolition of existing elements. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
27 May 2026
✓
Validated
11 Jun 2026
✗
Refused
21 Aug 2026
Appeal
Not lodged

Refused on 21 Aug 2026 · Delegated · Last checked 23 Aug 2026

Site constraints 7

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Special protection area 492 m away: South West London Waterbodies; SSSI 492 m away: Wraysbury No. 1 Gravel Pit SSSI; Inside the Old Windsor and Wraysbury built-up area; Green belt 28 m away: London; National infrastructure project 1270 m away: Expansion of Heathrow Airport (Third Runway), at pre-application.
Not affected
No listed building at the site · No scheduled monument at the site

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.

Sales history 1

Last sold for £815,000 in December 2023. Detached house, freehold.

14 December 2023£815,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area125 m² (1,345 sq ft)
Energy ratingD (57 out of 100), could reach B
PropertyDetached house, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

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

Application type
Full
Postcode
TW19 5JF
Received
27 May 2026
Validated
11 Jun 2026
Ward
Datchet Horton And Wraysbury
Parish
Wraysbury Parish
Case officer
Show
Target decision
5 Aug 2026
Decision
Refuse
Decision date
21 Aug 2026
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 71 days from validation, 18 days slower than Windsor and Maidenhead's median of 53 for extensions. Refused, as 25% of extensions here are.

77%decided within 8 weeks
75%approved
835decided in the last year

Plota live figures for extensions decided by Windsor and Maidenhead in the last twelve months, from validation. Windsor and Maidenhead decision record →

Consultation & key dates

Alt. reference
PP-14951521
Planning Portal ref
PP-14951521
Comments by
12 Jul 2026
Statutory expiry
5 Aug 2026
Env. assessment
No
Windsor and Maidenhead
Planning Authority Score
5.3/10
Average
#135 of 296 councils
Relevant to this application:
Householder decisions

Windsor and Maidenhead is faster than most councils at deciding householder applications, ranking #82 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Windsor and Maidenhead is also one of the strictest councils - it refuses more householder applications than almost any other, with only 74% approved vs 90% nationally.

One of the strictest councils
only 74% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Windsor and Maidenhead decision statistics
Based on MHCLG data, the year to March 2026
72%
Overall approval rate
Below avg (87%) #293 of 296
74%
Householder approved
Below avg (90%) #294 of 296
75%
Decided in 8 weeks
Above avg (63%) #82 of 296
28%
Extended time limit
Below avg (41%) #47 of 296
44%
Minor dwellings approved
156 decided (1-9 homes)
96%
Major dwellings approved
27 decided (10+ homes)
64%
Change of use approved
25 decided
1,530
Total decisions
434 refused in the year to March 2026

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.