Chadwicke House Sunning Avenue Sunningdale Ascot SL5 9PW Data via plota.co.uk

26/02457/TPO - Works To Trees Covered by TPO Awaiting decision
Trees & landscaping

Proposal

(T1) Beech - selectively reduce the northern side of the crown by up to 2m, reducing the crown spread in this area from approximately 15m to 13m, reduction will target the longest sections of the crown, pruning back to suitable growth points and crown lift to approximately 5m above ground level. (). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
8 Oct 2026
Decision
Expected by 2 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 9 Nov 2026 and 17 Nov 2026, from Windsor and Maidenhead's recent tree and landscaping works.

Documents 2

Application forms 1

PDF Application form redacted Application Forms · 8 Oct 2026 View ↗

Other documents 1

PDF History log Property History · 9 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 1

Also on the record
Inside the Ascot and Sunningdale built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 10 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 £1,400,000 in March 2019. Detached house, freehold.

22 March 2019£1,400,000

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

Building

Floor area313 m² (3,369 sq ft)
Energy ratingB (82 out of 100)
PropertyDetached house, 10 habitable rooms
Built2012 to 2021
HeatingBoiler and underfloor heating, mains gas
WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in August 2026, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

1 Oct 2026Pending

Buckeley House Sunning Avenue Sunningdale Ascot SL5 9PW

(T1) - Beech - raise canopy up to 4m and tip reduce away from house on south sid...

26/02386/TPO
17 Aug 2026Approved

The Orchard Sunning Avenue Sunningdale Ascot SL5 9PW

(T1) - (Norwegian spruce) - Cut back by at least 1.2m on eastern and front sides...

26/01929/TPO
5 Aug 2026Approved

Pinehill Sunning Avenue Sunningdale Ascot SL5 9PW

Details required by Condition 4 (obscure), 5 (no further windows), 6 (method sta...

26/01926/CONDIT
3 Aug 2026Pending

Westchase Sunning Avenue Sunningdale Ascot SL5 9PW

Single storey rear extension, 1no. side dormer, raising of the existing terrace ...

26/01780/FULL

Nearby new applications

9 Oct 2026Pending

Land East Of New Place London Road Sunningdale Ascot Windsor And Maidenhead

Submission of details to comply with condition 9 (noise) and condition 10 (Suds)...

26/0937/DTC
1 Oct 2026Pending

16 Hamilton Drive Sunningdale Ascot SL5 9PP

Horse Chestnut - Cut back overhanging limbs to the fence line (002/1964/TPO)

26/02385/TPO
1 Oct 2026Pending

Buckeley House Sunning Avenue Sunningdale Ascot SL5 9PW

(T1) - Beech - raise canopy up to 4m and tip reduce away from house on south sid...

26/02386/TPO
9 Sept 2026Pending

10 Hamilton Drive Sunningdale Ascot SL5 9PP

Details required by Condition 2 (Materials schedule) 3 (Air sourced heat pump) 4...

26/02226/CONDIT
4 Sept 2026Pending

10 Hamilton Drive Sunningdale Ascot SL5 9PP

Variation (under Section 73) of Condition 15 (Approved Plans) to substitute thos...

26/02187/VAR
17 Aug 2026Pending

13 Hamilton Drive Sunningdale Ascot SL5 9PP

(A) Pine - remove; (B) Pine - remove; (C) Oak - remove and (D) Cherry - crown re...

26/02032/TPO

Important details

Council
Windsor and Maidenhead
Application type
Works To Trees Covered by TPO
Postcode
SL5 9PW
Received
8 Oct 2026
Validated
8 Oct 2026
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Target decision
2 Dec 2026
Applicant
Show
Agent
Show

Decision outlook

Day 20 of the 56-day target. Windsor and Maidenhead usually decides tree and landscaping works by day 35.

Day 2036 days to the 56-day target
78%decided within 8 weeks
96%approved
371decided in the last year

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

Consultation & key dates

Alt. reference
PP-15216887
Planning Portal ref
PP-15216887
Statutory expiry
2 Dec 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2021 Refused
x1 Outbuilding.
21/02668/FULL
2016 Approved
T1 (Beech); identified as FS, crown lift by 7m from ground level removing on tertiary bra…
16/00378/TPO
Within ~100m

Nearby activity

2025 Approved
1 Hamilton Drive Sunningdale Ascot SL5 9PP
Raised ridge, new roof, new front canopy, two storey side/rear extension, alterations to…
25/03287/FULL
2023 Withdrawn
Queensbury House 12A Sunning Avenue Sunningdale Ascot SL5 9PN
(T1) Oak - remove dead wood; (T2) Birch - fell to ground level; (T3, T4, T5) Oaks - remov…
23/01119/TPO
2021 Refused
Arch Cottage Sunning Avenue Sunningdale Ascot SL5 9PW
(T1) Beech - crown reduce height by 7m and spread by 2.5m to leave a height of 20m and a…
21/01482/TPO
2020 Approved
Chestnut Cottage Sunning Avenue Sunningdale Ascot SL5 9PW
Sweet Chestnut - crown reduction of 4m, prune back to stronger growth points, deadwood an…
20/01222/TPO
2020 Approved
Wilton House 13 Sunning Avenue Sunningdale Ascot SL5 9PN
(T1) Sweet chestnut - fell (TPO 27 of 2005).
20/01152/TPO
2020 Approved
Tanglewood Sunning Avenue Sunningdale Ascot SL5 9PW
Single storey rear extension, front porch canopy, raising and alterations to roof, 1no. r…
20/00133/FULL
2019 Approved
Tanglewood Sunning Avenue Sunningdale Ascot SL5 9PW
Single storey rear extension, front porch canopy, raising and alterations to roof, 1 No…
19/00377/FULL
2019 Withdrawn
Tanglewood Sunning Avenue Sunningdale Ascot SL5 9PW
Certificate of lawfulness to determine whether a single storey rear extension is lawful
19/00383/CPD
2018 Approved
Chestnut Cottage Sunning Avenue Sunningdale Ascot SL5 9PW
(T1) Sweet Chestnut - reduce canopy by 20% (2-3m back to suitable growth points), remove…
18/03645/TPO
2018 Approved
Wilton House 13 Sunning Avenue Sunningdale Ascot SL5 9PN
New detached garage and new vehicular access with entrance gates.
18/02310/FULL
2018 Approved
Wilton House 13 Sunning Avenue Sunningdale Ascot SL5 9PN
Detached single storey garage with storage including private access drive
18/00513/FULL
2017 Refused
Wilton House 13 Sunning Avenue Sunningdale Ascot SL5 9PN
Detached single storey garage with storage including private access drive and gate.
17/03518/FULL
2017 Approved
Tanglewood Sunning Avenue Sunningdale Ascot SL5 9PW
Single storey rear extension and alterations to the existing roof to form bonus room.
17/03009/FULL
2016 Refused
Tanglewood Sunning Avenue Sunningdale Ascot SL5 9PW
Single storey rear extension, single storey side enclosure, raising of roof and rear dorm…
16/03841/FULL
2017 Approved
20 Hamilton Drive Sunningdale Ascot SL5 9PP
New vehicular access, erection of iron railing entrance gates and brick piers to new acce…
17/01310/FULL
2017 Approved
Old Clog Cottage And Annexe Sunning Avenue Sunningdale Ascot
Non material amendment to planning permission 16/02552/FULL for the demolition and rebuil…
17/01466/NMA
2016 Refused
Wilton House 13 Sunning Avenue Sunningdale Ascot SL5 9PN
Detached garage with office, wet room, toilet facilities and storage
16/03957/FULL
2016 Approved
20 Hamilton Drive Sunningdale Ascot SL5 9PP
New front porch, two storey side, single storey rear and single storey side extensions.
17/00070/FULL
2016 Approved
20 Hamilton Drive Sunningdale Ascot SL5 9PP
(G1) x 6 Conifers - fell (T1) Elm - removal of deadwood, broken branches and crown lift t…
16/03569/TPO
2016 Approved
Old Clog Cottage And Annexe Sunning Avenue Sunningdale Ascot
Details required by condition 5 (arboricultural method statement and tree protection) and…
16/03377/CONDIT
2016 Approved
Old Clog Cottage And Annexe Sunning Avenue Sunningdale Ascot
Part two-storey, part single storey rear and raising of the main ridge to Old Clog Cottag…
16/02552/FULL
2016 Approved
11 Sunning Avenue Sunningdale Ascot SL5 9PN
G1- Scots pine at side of property - Crown lift to 12m - Withdrawn. G2, G3, G4 - Crown li…
16/01879/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 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
Source: MHCLG planning statistics · See full council rankings

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.