Data-backed planning intelligence · 3,290,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Planning Permission in Merton: 86.2% Approval Rate

Merton Council approves 86.2% of planning applications, based on 18,043 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 88.3%. Merton sits 2.1 percentage points below the national average.

18,043 decisions analysed·Updated June 2026·Every result links to the original council record

According to PlanningLens analysis of 1,667 decided applications, Merton Council approved 83.6% of planning applications in 2025. The average time from validation to decision in Merton is 11.3 weeks, measured across 14,182 decided applications. Across 18,043 decisions analysed since January 2020, the overall approval rate in Merton is 86.2%; the national average across UK councils tracked by PlanningLens is 88.3%.

Source: PlanningLens (planninglens.co.uk) analysis of Merton council planning portal records · Updated June 2026 · Quote freely with attribution

86.2%
Approval rate
18,043
Decisions
15,546
Approved
2,497
Refused
Postcodes served by Merton: CR4, SW19, SW20

Free planning permission check for Merton

Enter your postcode for a free, personalised approval pattern report, based on your ward and application type.

Check My Postcode

Approval Rates by Application Type in Merton

Not all applications are treated equally. Extension types, listed building consent, and change of use applications each have very different success rates in Merton.

Application TypeApprovedRefusedTotalRate
Full9,2791,11510,394
89.3%
Other5,7227546,476
88.4%
Prior Approval5456281,173
46.5%
See how this applies to your postcode →

These are averages. Your property is specific.

A loft conversion in one ward can have a 90% approval rate. In the next ward, 55%. The free check tells you which side you're on, your free property report is emailed in minutes.

Check My Postcode

Planning Approval Rates by Ward in Merton

Ward-level data reveals where planning applications are most and least likely to succeed. Officers, local policies, and neighbourhood character all play a role.

Ward variation in Merton: St. Helier has the highest approval rate at 97.6%, while St Helier_histroic sits at 73.0%. That 24.6 percentage point gap matters, where your property sits can shift your odds significantly.
WardApprovedRefusedTotalRate
Village1,117651,182
94.5%
Wimbledon Park64532677
95.3%
Raynes Park59958657
91.2%
Abbey61145656
93.1%
Village_historic60151652
92.2%
Hillside58748635
92.4%
Dundonald_histroic54975624
88.0%
Wimbledon Park_historic50555560
90.2%
Colliers Wood47479553
85.7%
Wimbledon Town and Dundonald49054544
90.1%
West Barnes422111533
79.2%
Abbey_histroic43985524
83.8%
Merton Park43481515
84.3%
Merton Park_histroic42272494
85.4%
Cannon Hill37690466
80.7%
Graveney37590465
80.6%
Raynes Park_histroic38656442
87.3%
Trinity_historic37961440
86.1%
Cannon Hill_historic36475439
82.9%
West Barnes_historic38348431
88.9%
Graveney_histroic34775422
82.2%
Cricket Green33568403
83.1%
Colliers Wood_histroic30867375
82.1%
Lower Morden30268370
81.6%
Hillside_histroic31249361
86.4%

Showing top 25 of 49 wards by volume. Your free property report includes the full ward breakdown.

See full ward breakdown →

Approval Rate Trend in Merton

How Merton’s planning approval rate has changed year by year, up 3.3pp since 2018.

89.6%
2018
84.5%
2019
85.2%
2020
85.5%
2021
86.3%
2022
80.8%
2023
79.8%
2024
83.6%
2025
92.9%
2026

Bar height reflects approval rate. Colour: green ≥85%, amber ≥70%, red below 70%.

Recent Planning Decisions in Merton

Real residential planning decisions from Merton council. Each reference links to the council's own planning portal so you can verify the details yourself.

ReferenceProposalDecision
26/HOUSE/0668
West Barnes
ERECTION OF A SINGLE STOREY REAR EXTENSION.Approved
26/HOUSE/0460
Pollards Hill
ERECTION OF A SINGLE STOREY REAR EXTENSION Approved
26/P0039
Hillside
Single storey ground floor extension.Approved
26/HOUSE/0718
CHANGES TO FENESTRATION TO SIDE AND REAR ELEVATIONSApproved
26/HOUSE/0432
Wimbledon Park
DEMOLITION OF EXISTING SINGLE STOREY GROUND FLOOR EXTENSION, ERECTION OF PITCHEApproved
26/LDCP/0456
Pollards Hill
Greenwood Road - loft conversionApproved
26/HOUSE/0661
Village
REPLACEMENT OF THE WINDOWS AT THE SECOND FLOOR LEVEL, INSULATION & WEATHERPApproved
26/HOUSE/0702
Wimbledon Park
REFURBISHMENT AND EXTENSION OF EXISTING PROPERTY INCLUDING EXTENSION TO THE GROApproved
26/HOUSE/0500
Colliers Wood
ERECTION OF A SINGLE STOREY SIDE EXTENSIONApproved
26/HOUSE/0524
Lower Morden
ERECTION OF A SINGLE STOREY REAR/SIDE EXTENSIONApproved

Free planning intelligence, before you spend £5,000+ on an architect

Find out what actually gets approved near your address first. Your free property report analyses the 20 nearest decisions to your property, ward-specific refusal patterns, and extension-by-extension approval patterns. Based on Merton's 18,043 real decisions. Free, emailed in minutes.

Check my postcode
Free · Property report emailed in minutes · Based on 3,290,000+ real decisions

Planning Data for Nearby Councils

Compare Merton's planning approval rates with neighbouring areas:

Explore Merton's Planning Data

Dig deeper into Merton's planning statistics, by ward, extension type, or project category:

Planning Guides

Data-driven guides to help you understand planning approval patterns:

Frequently Asked Questions: Planning in Merton

Is there a free planning permission checker for Merton?

Yes. PlanningLens offers a free planning permission check for Merton. Enter your postcode to instantly see approval rates for your ward and application type, based on 18,043 real decisions from Merton council. The full property-specific report is also free and emailed within minutes.

How do I check if my planning application will be approved in Merton?

Enter your postcode on PlanningLens for a free instant check based on Merton's real planning decisions. The free property report goes further: it analyses the 20 nearest comparable decisions to your property, ward-level refusal patterns, and approval rates by application type. Free and emailed within minutes.

What is the planning approval rate in Merton?

Based on 18,043 planning decisions, the overall approval rate in Merton is 86.2%. The national average across councils tracked by PlanningLens is 88.3%. Rates vary significantly by ward and application type.

How many planning applications have been decided in Merton?

PlanningLens has analysed 18,043 planning decisions from Merton council. 15,546 were approved and 2,497 were refused. These figures cover decisions from January 2020 to the present.

How are planning applications decided in Merton?

The average approval rate in Merton is 86.2%, but outcomes depend heavily on your specific ward, the type of extension or development you are proposing, and local planning policy. Use the free PlanningLens postcode check to get a personalised score.

How long does planning permission take in Merton?

The average time from validation to decision in Merton is 11.3 weeks, measured across 14,182 decided applications. This PlanningLens figure is calculated from decision dates published by Merton council itself, reflecting actual elapsed time rather than statutory targets.

Embed or Cite This Data

Writing about planning in Merton? These figures are free to republish with attribution. Copy the one-line citation, or paste the stat box into any website, CMS or newsletter, it carries its own styling and links back to this page for verification.

Cite this page
Embed this stat box
Planning approval rate in Merton: 86.2%, based on 18,043 decided applications since January 2020. Average time from validation to decision: 11.3 weeks.Source: PlanningLens · Updated June 2026
About Merton Planning Data: This analysis draws on 18,043 planning decisions published by Merton council. Every application is classified as approved or refused based on the council's own decision wording. Withdrawn applications and procedural outcomes are excluded. Approval rates vary between wards, application types, and time periods. For full details on how we collect and analyse data, see our methodology →
Check planning approval patterns in Merton, Free