20 St Margarets Avenue Ashford TW15 1DR Data via plota.co.uk

26/00702/HOU - Householder Application Refused

Proposal

Erection of a first floor extension to the existing bungalow with a new roof, a part single storey part two storey rear extension with associated alterations to the materials, roofs, windows and doors (part-retrospective) (To address previously refused application: ) Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
6 Jul 2026
Consultation
10 Jul 2026
Refused
28 Aug 2026
Appeal
Not lodged

Refused on 28 Aug 2026 · Delegated Decision · Last checked 28 Aug 2026

Associated applications 2

  • Part of

    FullRefusedcouncil archive
    • HouseholderErection of a first floor extension to the existing bungalow with a new roof, a part single…RefusedThis application26/00702/HOU

Site constraints 2

Air quality management area: Spelthorne AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Ashford (Spelthorne) built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building 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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Important details

Council
Spelthorne
Application type
Householder Application
Postcode
TW15 1DR
Received
6 Jul 2026
Validated
6 Jul 2026
Ward
Ashford East
Parish
Ashford ED
Case officer
Show
Target decision
31 Aug 2026
Decision
Application Refused
Decision date
28 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Just Planning

How this decision compares

Decided in 53 days from validation, about the council's usual 55 days. Refused, as 12% of extensions here are.

74%decided within 8 weeks
88%approved
261decided in the last year

Plota live figures for extensions decided by Spelthorne in the last twelve months, from validation. Spelthorne decision record →

Public comments

11comments received
11 objecting

100% object · above the UK average of 75%

25 neighbours consulted · Last counted 28 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15050286
Neighbours
10 Jul 2026
Comments by
31 Jul 2026
Site or press notice
15 Jul 2026
Env. assessment
No
Spelthorne
Planning Authority Score
4.9/10
Below average
#155 of 296 councils
Relevant to this application:
Householder decisions

Spelthorne ranks #124 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Spelthorne decision statistics
Based on MHCLG data, the year to March 2026
81%
Overall approval rate
Below avg (87%) #258 of 296
88%
Householder approved
Below avg (90%) #225 of 296
70%
Decided in 8 weeks
Above avg (63%) #124 of 296
35%
Extended time limit
Below avg (41%) #106 of 296
57%
Minor dwellings approved
67 decided (1-9 homes)
57%
Major dwellings approved
7 decided (10+ homes)
46%
Change of use approved
26 decided
634
Total decisions
122 refused in the year to March 2026