6 Ash Lane Windsor SL4 4PS

Awaiting decision 26/01017/FULL
Extensions & alterations
Council
Windsor and Maidenhead 4.8/10
Date received
24 Apr 2026
Date validated
24 Apr 2026
Postcode
SL4 4PS

Description

Garage conversion, single storey front/side/rear extension and alterations to fenestration (Part Retrospective).

Get alerts nearby Council site ↗

Nearby new applications

99 Ruddlesway Windsor SL4 5SH

Certificate of lawfulness to determine whether the proposed replacement single s...

26/01305/CPD - 26 May 2026

Dedworth Clinic 97A And Lane At 97A Smiths Lane Windsor

Non material amendments to planning permission 25/01982/FULL to amend the wordin...

26/01234/NMA - 15 May 2026

Bus Shelter Outside The Black Horse Dedworth Road Windsor

Consent to display 1no. double sided internally illuminated digital advertising ...

26/01162/ADV - 14 May 2026

371 Dedworth Road Windsor SL4 4LB

Single storey rear extension and alterations to fenestration (part retrospective...

26/01172/FULL - 13 May 2026

131 Wolf Lane Windsor SL4 4YY

Garage conversion into habitable accommodation with raising of the existing flat...

26/01132/FULL - 7 May 2026

16 Duncannon Crescent Windsor SL4 4YP

Part first floor part two storey front/side extension with relocated front door,...

26/00769/FULL - 25 Mar 2026

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

2019 Refused
Single storey front and rear and two storey side extension with side facing window. Alter…
19/01654/FULL
2019 Refused
Single storey front and rear and two storey side extension with side facing window. Alter…
19/00817/FULL
Within ~100m

Nearby activity

2022 Approved
67 Forest Road Windsor SL4 4HX
Single storey rear extension.
22/02408/FULL
2022 Refused
67 Forest Road Windsor SL4 4HX
Single storey rear extension.
22/01310/FULL
2021 Refused
Land At 6 Ash Lane And 6 Ash Lane Windsor
Garage conversion to 6 Ash Lane, part single, part two storey wrap around extension, new…
21/02614/FULL
2021 Approved
54 Ash Lane Windsor SL4 4PS
Single storey rear extension, following demolition of the existing rear lean-to.
21/03692/FULL
2021 Approved
72 Forest Road Windsor SL4 4HU
First floor side/rear extension and alterations to fenestration.
21/02514/FULL
2020 Approved
The Croft 32A Ash Lane Windsor SL4 4PS
Change of use from ancillary annexe to independent dwelling and retention of pitch roof i…
20/03354/FULL
2020 Refused
Land At 6 Ash Lane And 6 Ash Lane Windsor
Garage conversion to 6 Ash Lane, part single, part two storey wrap around extension, new…
20/03517/FULL
2020 Approved
Tesco Dedworth Road Windsor SL4 4JT
Consent to display 1 X internally illuminated LCD media screen on to the existing charger…
20/00340/ADV
2019 Approved
13 Ash Lane Windsor SL4 4PS
Subdivision of the dwelling to form x2 one bedroom flats with single storey front, first…
19/02873/FULL
2019 Refused
13 Ash Lane Windsor SL4 4PS
Subdivision of the dwelling to form 2 x 2 No. bedroom flats with single storey front exte…
19/01673/FULL
2018 Approved
7 Stirling Close Windsor SL4 4PW
Proposed rear conservatory
18/03039/FULL
2018 Approved
Tesco Dedworth Road Windsor SL4 4JT
Consent to display 2 non illuminated vinyl signs
18/01343/ADV
2018 Refused
13 Ash Lane Windsor SL4 4PS
Subdivision of the dwelling to form two x3 bed flats with single storey front extension…
18/01158/FULL
2018 Approved
Land At 31 And 31 Ash Lane Windsor
2 No. terrace dwellings, cycle and bin store, parking and front and rear access. Alterati…
18/00814/FULL
2017 Approved
31 Ash Lane Windsor SL4 4PS
Single storey rear extension, single storey front infill extension, extension to front ca…
17/03785/FULL
2016 Approved
Land At 19 Ash Lane Windsor
Erection of a two storey extension to create a 2 No. bedroom dwelling with parking, acces…
16/02853/FULL
2016 Approved
Annexe 32 Ash Lane Windsor SL4 4PS
Replacement and alterations to roof.
16/02658/FULL
2016 Approved
19 Ash Lane Windsor SL4 4PS
Two storey side extension with pitch roof and creation of one new car park space with dro…
16/01094/FULL
2025 Refused
11 Ash Lane Windsor SL4 4PS
Certificate of lawfulness to determine whether the proposed garage conversion including r…
25/01489/CPD
2022 Approved
Tesco Dedworth Road Windsor SL4 4JT
Variation (under Section 73) of Condition 19 (opening hours) of planning permission 46961…
22/02872/VAR
2021 Approved
Tesco Dedworth Road Windsor SL4 4JT
Variation (under Section 73) of planning permission 469617 without complying with Conditi…
21/01924/VAR
2021 With conditions
The Croft 32A Ash Lane Windsor SL4 4PS
Details required by Condition 3 (Refuse Bin Storage and Recycling) and Condition 4 (Secur…
21/01909/CONDIT
2019 Approved
Land At 31 And 31 Ash Lane Windsor
Variation (under Section 73) of conditions 2 (matching materials) and 3 (approved plans)…
19/01670/VAR
2019 With conditions
Land At 31 And 31 Ash Lane Windsor
Details required by condition 6 (Construction Management Plan) of planning permission 18/…
19/01671/CONDIT
2019 Approved
29 Ash Lane Windsor SL4 4PS
Certificate of lawfulness to determine whether the proposed single storey rear extension…
19/01476/CPD
Windsor and Maidenhead
Planning Authority Score
4.8/10
Below average
#163 of 292 councils
Relevant to this application:
Householder decisions

Windsor and Maidenhead ranks #109 out of 292 councils for householder decision speed. Windsor and Maidenhead is also one of the strictest councils - it refuses more householder applications than almost any other, with only 70% approved vs 90% nationally.

One of the strictest councils
only 70% 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, 2025
69%
Overall approval rate
Below avg (87%) #289 of 292
70%
Householder approved
Below avg (90%) #292 of 292
72%
Decided in 8 weeks
Above avg (64%) #109 of 292
30%
Extended time limit
Below avg (40%) #55 of 292
40%
Minor dwellings approved
156 decided (1-9 homes)
92%
Major dwellings approved
25 decided (10+ homes)
61%
Change of use approved
18 decided
1,576
Total decisions
490 refused in 2025
Source: MHCLG planning statistics · See full council rankings