Which ward in Windsor & Maidenhead has the highest planning approval rate?

St Marys at 90.6% based on 298 decisions.

Which ward in Windsor & Maidenhead has the lowest planning approval rate?

Datchet Horton And Wraysbury at 72.5% based on 570 decisions.

How much do planning approval rates vary across Windsor & Maidenhead?

There is a 18.1% gap between St Marys and Datchet Horton And Wraysbury. Your postcode significantly affects outcomes.

Planning Approval Rates by Ward in Windsor & Maidenhead

Planning outcomes in Windsor & Maidenhead are highly localised. The gap between the most and least permissive wards is 18.1% — that's not noise, it's a fundamentally different planning environment depending on where you live.

7,798 real decisions·19 wards·Updated August 2026

84.3% approved overall. But 1,228 applications refused since 2020. Where you live in Windsor & Maidenhead shifts your odds by up to 18.1%. The council average doesn't tell you which side of that gap you're on.

Check Planning Approval Patterns in Windsor & Maidenhead

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All 19 wards ranked

#	Ward	Decisions	Approved	Refused	Rate
1	St Marys	298	270	28	90.6%
2	Cox Green	229	204	25	89.1%
3	Bisham And Cookham	742	652	90	87.9%
4	Pinkneys Green	250	219	31	87.6%
5	Hurley And Walthams	626	547	79	87.4%
6	Eton And Castle	843	732	111	86.8%
7	Belmont	269	231	38	85.9%
8	Boyn Hill	259	221	38	85.3%
9	Riverside	345	294	51	85.2%
10	Furze Platt	234	199	35	85.0%
11	Clewer East	276	234	42	84.8%
12	Bray	557	464	93	83.3%
13	Oldfield	229	190	39	83.0%
14	Clewer And Dedworth East	254	210	44	82.7%
15	Clewer And Dedworth West	289	239	50	82.7%
16	Old Windsor	312	257	55	82.4%
17	Ascot & Sunninghill	653	533	120	81.6%
18	Sunningdale And Cheapside	520	424	96	81.5%
19	Datchet Horton And Wraysbury	570	413	157	72.5%

See how this applies to your postcode →

These are council averages. Your property is specific.

An extension might sail through in St Marys but face serious resistance in Datchet Horton And Wraysbury.
Check your postcode to see what actually happens near your address.

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What the data tells us

A 18.1% gap separates the best and worst wards. St Marys approves 90.6% of applications while Datchet Horton And Wraysbury approves just 72.5%. That's a fundamentally different planning environment.

High volume doesn't mean high approval. Some of the busiest wards aren't the most permissive. The number of applications a ward processes tells you nothing about how likely yours is to succeed.

Ward averages are a starting point, not a guarantee. Your specific outcome depends on your property, your neighbours, your proposal type and the comparable decisions near your address.

Before you spend £5,000+ on architects and drawings

1,228 planning applications in Windsor & Maidenhead have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.

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Free · Property report emailed in minutes · Based on 3,770,000+ real decisions

More Windsor & Maidenhead planning data

Nearby councils ward breakdowns

Methodology: Covers 7,798 planning decisions in Windsor & Maidenhead, January 2020 to August 2026. Approval rate = approved / (approved + refused). Pending, withdrawn and invalid excluded. Ward boundaries reflect current electoral divisions. Data from Windsor & Maidenhead Council's public planning portal. Full methodology →