88 Groveley Road Sunbury-on-Thames TW16 7LB Data via plota.co.uk

26/00439/HOU - Householder Application Approved

Proposal

Proposed erection of part single storey and part double storey side and rear extensions and roof extension to include a hip to gable end loft conversion with rear dormer and 3 no's skylights in front roof slope. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
29 Apr 2026
✓
Validated
7 May 2026
✓
Consultation
7 May 2026
✓
Approved
2 Oct 2026

Approved on 2 Oct 2026 · Delegated Decision · Last checked 3 Oct 2026

Site constraints 5

In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From rivers. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Flood map ↗
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 Sunbury-on-Thames built-up area; Green belt 85 m away: London; National infrastructure project 1985 m away: Expansion of Heathrow Airport (Third Runway), at pre-application.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate 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.

Sales history 4

Last sold for £492,000 in December 2025. Detached house, freehold.

19 December 2025£492,000
9 June 2020£420,000
18 September 2006£285,000
30 July 1999£130,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area80 m² (861 sq ft)
Energy ratingD (64 out of 100), could reach B
PropertyDetached bungalow, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2018, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

Every application in Spelthorne - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Important details

Council
Spelthorne
Application type
Householder Application
Postcode
TW16 7LB
Received
29 Apr 2026
Validated
7 May 2026
Ward
Sunbury Common
Parish
Sunbury Common And Ashford Common ED
Case officer
Show
Target decision
2 Oct 2026
Decision
Grant Conditional
Decision date
2 Oct 2026
Decision level
Delegated Decision
Applicant
Show

How this decision compares

Decided in 148 days from validation, 93 days slower than Spelthorne's median of 55 for extensions. Approved, as 87% of extensions here are.

72%decided within 8 weeks
87%approved
353decided in the last year

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

Public comments

1comment received
1 neutral

5 neighbours consulted · Last counted 3 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14819022
Planning Portal ref
PP-14819022
Neighbours
7 May 2026
Consultation
7 May 2026
Comments by
4 Jun 2026
Site or press notice
13 May 2026
Statutory expiry
2 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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.