Knightswood Cottage Prince Albert Drive Ascot Berkshire SL5 8AQ Data via plota.co.uk

25/00773/FUL - Full planning permission Refused

Proposal

Proposed erection of single storey infill extension with roof lantern and skylight. Installation of 3 no. roof lights to existing single storey roof and installation of front facing dormer window to existing dwelling and installation of side facing dormer window to existing garage. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
10 Dec 2025
✗
Appeal dismissed
24 Dec 2025
✗
Refused
10 Apr 2026

Refused on 10 Apr 2026 · Delegated Decision · Last checked 2 Oct 2026

Site constraints 4

Green belt: London
Inappropriate development needs very special circumstances.
Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm. Some green belt land can count as grey belt, where it does not strongly serve the green belt's purposes. The council decides this in its green belt assessment or on each application, so we do not mark it here.
Read the government guidance ↗
Agricultural land, grade 3b
Not best and most versatile land (grades 1, 2 and 3a). Source: the Predictive Agricultural Land Classification Map (Defra and Natural England, 2025; the Welsh Government's Predictive ALC Map 2 in Wales), a model rather than a site survey. A site survey can differ.
Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.
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
Priority habitat about 27 m away: Deciduous woodland.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 £930,000 in February 2025. Detached house, freehold.

7 February 2025£930,000

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

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Important details

Application type
Full planning permission
Postcode
SL5 8AQ
Received
10 Dec 2025
Validated
10 Dec 2025
Ward
Swinley Forest
Parish
Winkfield Parish Council
Case officer
Show
Target decision
17 Apr 2026
Decision
Refuse
Decision date
10 Apr 2026
Decision level
Delegated Decision
Appeal
Dismissed · 24 Dec 2025 · Written Representations · Inspectorate case 6000948 ↗
Applicant
Show

How this decision compares

Decided in 121 days from validation, 51 days slower than Bracknell Forest's median of 70 for full applications. Refused, as 15% of full applications here are.

31%decided within 8 weeks
85%approved
95decided in the last year

Plota live figures for full applications decided by Bracknell Forest in the last twelve months, from validation. Bracknell Forest decision record →

Public comments

No public comments yet.

Last counted 2 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
27 Jan 2026
Bracknell Forest
Planning Authority Score
2.4/10
Poor
#254 of 296 councils
Relevant to this application:
Householder decisions

Bracknell Forest is one of the slowest councils in England for householder decisions, ranking #269 out of 296. The council extends the time limit on 59% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).

Among the slowest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Bracknell Forest decision statistics
Based on MHCLG data, the year to March 2026
89%
Overall approval rate
Above avg (87%) #125 of 296
92%
Householder approved
Above avg (90%) #147 of 296
38%
Decided in 8 weeks
Below avg (63%) #269 of 296
59%
Extended time limit
Above avg (41%) #263 of 296
81%
Minor dwellings approved
26 decided (1-9 homes)
79%
Major dwellings approved
14 decided (10+ homes)
83%
Change of use approved
30 decided
502
Total decisions
53 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.