7 Keppel Spur Old Windsor Windsor SL4 2LU Data via plota.co.uk

26/01711/CPD Decided
Extensions & alterations

Proposal

Certificate of lawfulness to determine whether the proposed 1no. rear dormer, 2no. front rooflights and 1no. window to the side gable to accommodate a loft conversion are lawful. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
10 Jul 2026
✓
Decided

Decided on · Last checked 23 Jul 2026

Documents

View the documents on the council's website ↗

Site constraints 3

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Also on the record
1 listed building within 150 m; Inside the Old Windsor and Wraysbury built-up area.
Not affected
Not green belt · No scheduled monument at the site

Checked on 11 September 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.

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Other new applications on this street

12 May 2026Approved

18 Keppel Spur Old Windsor Windsor SL4 2LU

Single storey rear/side extension following demolition of existing elements.

26/01110/FULL

Nearby new applications

7 Sept 2026Pending

15 Warrington Spur Old Windsor Windsor SL4 2NF

Certificate of lawfulness to determine whether the proposed new driveway is lawf...

26/02205/CPD
3 Aug 2026Pending

35 Walpole Road Old Windsor Windsor SL4 2LX

Single storey rear extension.

26/01910/FULL
27 Jul 2026Pending

18 The Embankment Wraysbury Staines TW19 5JL

(T1) (0818) Ash - Monolith the tree to a height of 3m and (T2) Ash - reduce larg...

26/01833/TPO
24 Jul 2026Pending

Tansley Friary Island Old Ferry Drive Wraysbury Staines TW19 5JS

Part demolition of the existing ancillary outbuilding and alterations to fenestr...

26/01815/FULL
20 Jul 2026Pending

De Vere Beaumont Estate Burfield Road Old Windsor Windsor SL4 2JJ

8 no. EV Chargers in existing hotel car park

26/01322/FULL
16 Jul 2026Pending

De Vere Beaumont Estate Burfield Road Old Windsor Windsor SL4 2JJ

Consent for 8 no. EV Chargers in existing hotel car park

26/01323/LBC

Important details

Council
Windsor and Maidenhead
Postcode
SL4 2LU
Received
10 Jul 2026
Validated
10 Jul 2026
Target decision
3 Sept 2026

Consultation & key dates

Alt. reference
PLP - 00004746

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
16 Keppel Spur Old Windsor Windsor SL4 2LU
Certificate of lawfulness to determine whether the existing 1no. rear dormer is lawful.
25/02087/CLD
2025 Refused
17 Keppel Spur Old Windsor Windsor SL4 2LU
Non material amendments to planning permission 23/00112/FULL for the reduction of the siz…
25/01162/NMA
2024 Approved
6 Ashbrook Road Old Windsor Windsor SL4 2LS
Single storey rear extension and alterations to fenestration following demolition of exis…
24/00810/FULL
2023 Approved
17 Keppel Spur Old Windsor Windsor SL4 2LU
x1 detached outbuilding.
23/00112/FULL
2023 Refused
4 Keppel Spur Old Windsor Windsor SL4 2LU
New front porch, part single, part two storey side/rear extension and alterations to fene…
23/00214/FULL
2022 Refused
17 Keppel Spur Old Windsor Windsor SL4 2LU
Detached outbuilding.
22/03080/FULL
2022 Approved
13 Keppel Spur Old Windsor Windsor SL4 2LU
T2 - Ash - removal of dead branches, crown lift to 8m above ground, crown reduction by 2m…
22/02425/TPO
2022 Approved
17 Keppel Spur Old Windsor Windsor SL4 2LU
Certificate of lawfulness to determine whether the proposed 2no. front rooflights, 1no. g…
22/02473/CPD
2022 Refused
17 Keppel Spur Old Windsor Windsor SL4 2LU
Detached outbuilding.
22/02424/FULL
2022 Approved
17 Keppel Spur Old Windsor Windsor SL4 2LU
Single storey rear extension no greater than 6.00m in depth, 3.50m high with an eaves hei…
22/02187/PDXL
2022 Approved
17 Keppel Spur Old Windsor Windsor SL4 2LU
Single storey rear extension no greater than 6.00m in depth, 3.50m high with an eaves hei…
22/01042/PDXL
2021 Approved
8 Ashbrook Road Old Windsor Windsor SL4 2LS
Certificate of lawfulness to determine whether the proposed hip to gable loft conversion…
21/02515/CPD
2021 Approved
1 Keppel Spur Old Windsor Windsor SL4 2LU
Single storey side/rear extension with new mono pitched roof to front porch.
21/00801/FULL
2021 Approved
85 Burfield Road Old Windsor Windsor SL4 2LR
New boundary treatment to both sides.
21/00719/FULL
2018 Approved
13 Keppel Spur Old Windsor Windsor SL4 2LU
Single storey rear extension following demolition of the existing rear conservatory
18/01487/FULL
2018 Approved
81 Burfield Road Old Windsor Windsor SL4 2LR
First floor side extension, garage conversion into habitable space, new pitched roof over…
18/00512/FULL
2017 Approved
85 Burfield Road Old Windsor Windsor SL4 2LR
Construction of a front and a rear porch, a part single, part two storey side/rear extens…
17/03120/FULL
2016 Approved
24 Grove Close Old Windsor Windsor SL4 2LY
Single storey rear extension
16/02442/FULL
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