Bonnicut Barn Bonnicut Court 14 High Street Sunningdale Ascot SL5 0NB Data via plota.co.uk

26/00962/FULL - Full Refused
Extensions & alterations

Proposal

2no. front dormers, part raising of the front elevation to form a parapet wall and terrace, 3no. front rooflights, 3no. rear dormers and alterations to fenestration. (Part Retrospective). Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
18 May 2026
✗
Refused
29 Jul 2026
Appeal
Not lodged

Refused on 29 Jul 2026 · Delegated · Last checked 29 Jul 2026

Documents 11

Decision & officer reports 1

PDF Refusal full Councils Decision · 29 Jul 2026 View ↗

Statements & assessments 2

PDF Planning officers report Planning Officers Assessment · 29 Jul 2026 View ↗ PDF Planning heritage, design and access statement Design and Access Statement · 20 Apr 2026 View ↗

Consultation & comments 5

PDF Objection letter Community Comments Object · 29 Jun 2026 View ↗ PDF Objects(full) Community Comments Object · 16 Jun 2026 View ↗ PDF 1 public comment Community Comments Object · 15 Jun 2026 View ↗ PDF Sunningdale parish council planning Parish Council Comments · 5 Jun 2026 View ↗ PDF Neighbour notification list Neighbour Notification List · 19 May 2026 View ↗

Other documents 3

PDF Extension of time Correspondence - General · 8 Jul 2026 View ↗ PDF History log Property History · 18 May 2026 View ↗ PDF Application Forms Application Forms · 20 Apr 2026 View ↗

All documents on the council site ↗

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26/01383/TPO - 8 Jun 2026

Holy Trinity Church Church Road Sunningdale Ascot SL5 0NJ

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Important details

Council
Windsor and Maidenhead
Application type
Full
Postcode
SL5 0NB
Received
18 May 2026
Validated
18 May 2026
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Case officer
Show
Target decision
12 Jul 2026
Decision
Refuse
Decision date
29 Jul 2026
Decision level
Delegated
Applicant
Show
Agent
Show

Consultation & key dates

Alt. reference
PP-14660818
Env. assessment
No

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Refused
Non material amendments to planning permission 21/00384/FULL for the removal of 1no. rear…
25/03131/NMA
2021 Approved
Garage conversion into habitable accommodation, 2 No. additional front dormers with alter…
21/00384/FULL
Within ~100m

Nearby activity

2025 Approved
18 High Street Sunningdale Ascot SL5 0NG
1no. dwelling with associated parking, refuse and cycle store
25/02128/FULL
2025 Refused
1 Coworth Road Sunningdale Ascot SL5 0NX
First floor side/rear extension, installation of 2no. HVAC units and alterations to fenes…
25/02376/FULL
2025 Approved
9 Coworth Road Sunningdale Ascot SL5 0NX
Single storey side/rear extension with 1no. bay window and alterations to fenestration.
25/02170/FULL
2025 Approved
2 Dale Lodge Road Sunningdale Ascot SL5 0LY
Single storey front extension, part single part two storey side/rear extension, first flo…
25/01607/FULL
2025 Approved
2 Dale Lodge Road Sunningdale Ascot SL5 0LY
New single storey attached garage, single storey front extension, part single part first…
25/01616/FULL
2025 Approved
La Toja 14A High Street Sunningdale Ascot SL5 0NB
Garage conversion, single storey front/side extension, single storey side extension, firs…
25/01279/FULL
2025 Refused
18 High Street Sunningdale Ascot SL5 0NG
Erection of a detached two storey dwelling with associated parking, refuse and amenity fo…
25/01118/FULL
2025 Approved
1st Sunningdale Scout Group Scout Hut Sandy Lane Sunningdale Ascot SL5 0ND
Replacement roof and alterations to the external finish and fenestration to the existing…
25/00461/FULL
2024 Approved
2 Coworth Road Sunningdale Ascot SL5 0NX
Garage conversion to habitable accommodation.
24/02650/FULL
2024 Refused
2 Dale Lodge Road Sunningdale Ascot SL5 0LY
Single storey front extension, part two storey, part single storey, part first floor side…
24/01597/FULL
2024 Approved
Whitmore 7 High Street Sunningdale Ascot SL5 0LX
Replacement open porch.
24/01166/FULL
2022 Approved
1st Sunningdale Scout Group Scout Hut Sandy Lane Sunningdale Ascot SL5 0ND
Erection of a new Scout Hut and enlargement of existing vehicular access, following demol…
22/01529/FULL
2022 Refused
18 High Street Sunningdale Ascot SL5 0NG
Erection of x2 semi detached houses (Use Class C3) with associated amenity space, landsca…
22/03214/FULL
2022 Approved
1 Coworth Road Sunningdale Ascot SL5 0NX
Two storey rear extension
22/01809/FULL
2022 Approved
20 - 22 High Street Sunningdale Ascot
Part single part two storey side/rear extension and alterations to fenestration.
22/01683/FULL
2021 Approved
R D Brett (Electrical Contractors) Ltd And Land At Kenwood Lower Nursery Sunningdale Ascot
Erection of a pair of semi-detached dwellings (1 x 3 bed house and 1 x 1 bed bungalow) wi…
21/01117/FULL
2021 Approved
The Old Chapel Coworth Road Sunningdale Ascot SL5 0NX
Construction of a pergola - retrospective.
21/02072/FULL
2020 Refused
R D Brett (Electrical Contractors) Ltd And Land At Kenwood Lower Nursery Sunningdale Ascot
Erection of a pair of semi-detached dwellings with parking following demolition of existi…
20/03093/FULL
2020 Refused
10 Sidbury Close Ascot SL5 0PD
Single storey front extension, first floor side extension, new roof, raising of the ridge…
20/02548/FULL
2020 Approved
16 Trinity Crescent Sunningdale Ascot SL5 0NQ
New sliding electronic vehicular entrance gates to the front boundary.
20/02151/FULL
2018 Approved
Jack Brunsdon 1B Coworth Road Sunningdale Ascot SL5 0NX
Change of use from A1 to Sui Generis (Beauty Therapy)
18/01055/FULL
2017 Approved
Yew House 12B High Street Sunningdale Ascot SL5 0LU
Part single, part two storey rear extension, first floor side extension, replacement bay…
17/03623/FULL
2016 Approved
Thornleigh 11 High Street Sunningdale Ascot SL5 0NF
Two storey side extension
16/03331/FULL
2016 Approved
10 Sidbury Close Ascot SL5 0PD
First floor side extension, garage front extension and new porch to front
16/01511/FULL
2016 Approved
Oak House 19 High Street Sunningdale Ascot SL5 0NF
(T1) Oak, reduce the five limbs in the upper canopy to be reduced by 1m to secondary grow…
16/00214/TPO
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 performance
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
Source: MHCLG planning statistics · See full council rankings