Carlyn The Avenue Ascot SL5 7NB Data via plota.co.uk

25/03371/FULL - Full Awaiting decision
DemolitionExtensions & alterationsNew homes

Proposal

Replacement dwelling with cycle storage, widening of the existing vehicular accesss, new pedestrian access and associated parking and landscaping (self build). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
19 Dec 2025
✓
Validated
7 Jan 2026
Decision
Expected by 25 Mar 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 10 Oct 2026; it is now day 276.

The consultation period closed on 4 Feb 2026.

Documents 23

Statements & assessments 13

PDF Energy statement Supporting Information - General · 28 May 2026 View ↗ PDF Part_l_2021_gla_carbon_emission_reporting_spreadsheet_v20_0.xlsx Supporting Information - Ecology · 28 May 2026 View ↗ PDF P157-1r_carlyn, ascot_biodiversity metric_v Supporting Information - Ecology · 17 Mar 2026 View ↗ PDF Biodiversity net gain assessment 10th march 2026 Supporting Information - Ecology · 17 Mar 2026 View ↗ PDF Energy report Supporting Information - General · 11 Mar 2026 View ↗ PDF Predicted energy assessment Supporting Information - General · 11 Mar 2026 View ↗ PDF Ecology comment Consultee - Comments · 30 Jan 2026 View ↗ PDF Bat survey letter report Supporting Information - Ecology · 19 Dec 2025 View ↗ PDF Energy report Supporting Information - General · 19 Dec 2025 View ↗ PDF Predicted energy statement Supporting Information - General · 19 Dec 2025 View ↗ PDF Energy carbon water sustainable construction statement Supporting Information - General · 19 Dec 2025 View ↗ PDF Design and access statement Design and Access Statement · 19 Dec 2025 View ↗ PDF Suds report SUDS & drainage · 19 Dec 2025 View ↗

Consultation & comments 2

PDF Sunninghill & ascot parish council comments Parish Council Comments · 22 Jan 2026 View ↗ PDF Neighbour notification list Neighbour Notification List · 7 Jan 2026 View ↗

Other documents 8

PDF Building regulation part l brel) Supporting Information - General · 11 Mar 2026 View ↗ PDF History log Property History · 7 Jan 2026 View ↗ PDF Applicationformredacted Application Forms · 19 Dec 2025 View ↗ PDF Part g water calculation Supporting Information - General · 19 Dec 2025 View ↗ PDF Simple part overheating report Supporting Information - General · 19 Dec 2025 View ↗ PDF Building regulations compliance report Supporting Information - General · 19 Dec 2025 View ↗ PDF Form_1_cil_additional_information CIL Documents · 19 Dec 2025 View ↗ PDF Form_7_self_build_part_1_exemption_claim CIL Documents · 19 Dec 2025 View ↗

All documents on the council site ↗

Site constraints 3

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
1 listed building within 150 m; Inside the North Ascot built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 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 £625,000 in May 2025. Detached house, freehold.

8 May 2025£625,000

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

Building

Floor area74 m² (797 sq ft)
Energy ratingG (16 out of 100), could reach B
PropertyDetached bungalow, 5 habitable rooms
Built1950 to 1966
HeatingNo system present: electric heaters assumed
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2024, 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

7 Apr 2026Approved

Evergreens The Avenue Ascot SL5 7LY

Single storey side/front extension.

26/00866/FULL

Nearby new applications

1 Oct 2026Pending

21 Huntsmans Meadow Ascot SL5 7PF

(T1) - Blue Atlantic Cedar - Crown lift the lower canopy over road to a height o...

26/02407/TPO
28 Sept 2026Pending

The Royal Hunt 177 New Road Ascot Berkshire SL5 8PU

Details pursuant to conditions 11 (Existing Access).12 (Pedestrian Access) and 1...

PA/2026/0913
26 Aug 2026Pending

STILWELL, FOREST ROAD, ASCOT, SL5 8QF

T1 Turkey Oak Supply tree surgery services, machinery, equipment, and suitably...

PA/2026/0817
9 Sept 2026Pending

105 New Road Ascot SL5 8PZ

Single storey side/rear extension and alterations to fenestration, following dem...

26/02233/FULL
2 Sept 2026Pending

11 Huntsmans Meadow Ascot SL5 7PF

Relocation of the front entrance, new entrance canopy and screen, single storey ...

26/02160/FULL
10 Aug 2026Approved

119 New Road Ascot SL5 8PZ

Single storey rear extension no greater than 6m in depth, 3m high with an eaves ...

26/01969/PDXL

Important details

Council
Windsor and Maidenhead
Application type
Full
Postcode
SL5 7NB
Received
19 Dec 2025
Validated
7 Jan 2026
Ward
Ascot & Sunninghill
Parish
Sunninghill And Ascot Parish
Case officer
Show
Target decision
25 Mar 2026
Applicant
Show
Agent
Justin Agon

Decision outlook

Day 276, past the statutory target. 91% of demolitions in Windsor and Maidenhead are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 4 Oct 2026.

Day 276220 days past the 56-day target
77%decided within 8 weeks
74%approved
194decided in the last year

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

Consultation & key dates

Alt. reference
PP-14568958
Planning Portal ref
PP-14568958
Comments by
4 Feb 2026
Statutory expiry
3 Mar 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Refused
Erinmore The Avenue Ascot SL5 7NB
Proposed two storey front extension, part two storey and part first floor rear extension…
25/02354/FULL
2024 Approved
Coire Cas The Avenue Ascot SL5 7LY
New pitched roof to the single storey front element, new solar panels to the roof and alt…
24/02505/FULL
2023 Approved
Erinmore The Avenue Ascot SL5 7NB
Construction of 2no. detached dwellings and associated site works, following demolition o…
23/00793/FULL
2022 Approved
Erinmore The Avenue Ascot SL5 7NB
Construction of 2no. detached dwellings and associated site works, following demolition o…
22/01442/FULL
2022 Approved
Four Winds The Avenue Ascot SL5 7NB
Installation of 75mm of external insulation and render.
22/01126/FULL
2022 Approved
49 Kennel Ride Ascot SL5 7NJ
x1 detached outbuilding ancillary to main dwelling.
22/00309/FULL
2022 Approved
Wayside Cottage The Avenue Ascot SL5 7LY
New detached double garage.
22/00180/FULL
2021 Approved
55 Kennel Ride Ascot SL5 7NJ
Single storey rear extension, new front entrance door to north west elevation, raising of…
21/03032/FULL
2021 Approved
Alfriston House The Avenue Ascot SL5 7LY
Single storey rear extension and alterations to fenestration
21/00518/FULL
2020 Approved
Alfriston House The Avenue Ascot SL5 7LY
Single storey rear extension, extension to the existing front dormer, 2no. front dormers…
20/00180/FULL
2019 Refused
Wayside Cottage The Avenue Ascot SL5 7LY
Replacement dwelling.
19/03338/FULL
2019 Approved
Alfriston House The Avenue Ascot SL5 7LY
Double garage with log store
19/02080/FULL
2019 Approved
Wayside Cottage The Avenue Ascot SL5 7LY
Replacement dwelling
19/01512/FULL
2019 Approved
Ailsa House The Avenue Ascot SL5 7NB
Front boundary wall, pillars and entrance gate (amendment to application 18/00413)
19/00858/FULL
2019 Refused
4 Ranald Court Cottages The Avenue Ascot SL5 7NA
New vehicle entrance gate, Installation of a vehicle crossing and grass verge to be paved.
19/00562/FULL
2019 Withdrawn
Wayside Cottage The Avenue Ascot SL5 7LY
Replacement dwelling
19/00294/FULL
2018 Withdrawn
Wayside Cottage The Avenue Ascot SL5 7LY
Replacement dwelling.
18/02316/FULL
2018 Approved
Ailsa House The Avenue Ascot SL5 7NB
New boundary wall and entrance gate
18/00413/FULL
2017 Approved
Alfriston House The Avenue Ascot SL5 7LY
Construction of single storey rear extension, new front outbuilding to form part garage…
17/02728/FULL
2017 Approved
Holly House The Avenue Ascot SL5 7NB
Proposed first floor front and side extension, single storey rear extension and internal…
17/01884/FULL
2017 Approved
Holly House The Avenue Ascot SL5 7NB
Single storey front, first floor side and single storey rear.
17/00774/FULL
2023 Approved
55 Kennel Ride Ascot SL5 7NJ
Variation (under Section 73a) of planning permission 21/03032 without complying with Cond…
23/01871/VAR
2022 Approved
Wayside House The Avenue Ascot SL5 7LY
Details required by Condition 3 (Landscaping) of planning permission 22/01079/VAR for a v…
22/03280/CONDIT
2022 Approved
Wayside House The Avenue Ascot SL5 7LY
Variation (under Section 73) of condition 4 (approved plans) to substitute those plans ap…
22/01079/VAR
2022 Approved
Wayside Cottage The Avenue Ascot SL5 7LY
Details required by condition 5 (parking and turning) of planning permission 19/01512/FUL…
22/00179/CONDIT
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.