1 Pavilion Gardens Staines-upon-Thames TW18 1LS Data via plota.co.uk

26/00515/CPD - Cert. of Lawful Proposed Use and Dev Approved

Proposal

Certificate of Proposed Development for a hip to gable loft conversion with rear dormer and three roof lights on front roof slope Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
18 May 2026
✓
Approved
9 Jul 2026

Approved on 9 Jul 2026 · Delegated Decision · Last checked 11 Jul 2026

Site constraints 3

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 ↗
National infrastructure project about 494 m away: Southampton to London Pipeline Project
The site is about 494 m from the project boundary. Pipeline, decided. The project page says whether consent was granted. Also within 2 km: Expansion of Heathrow Airport (Third Runway) (at pre-application, about 1585 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Also on the record
Inside the Staines-upon-Thames built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 2

Last sold for £540,000 in August 2019. Semi-detached house, freehold.

2 August 2019£540,000
23 September 2002£249,950

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

Building

Floor area108 m² (1,163 sq ft)
Energy ratingD (66 out of 100), could reach B
PropertySemi-detached house, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in February 2019, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Spelthorne
Application type
Cert. of Lawful Proposed Use and Dev
Postcode
TW18 1LS
Received
18 May 2026
Validated
18 May 2026
Ward
Riverside And Laleham
Parish
Staines South And Ashford West ED
Case officer
Show
Target decision
13 Jul 2026
Decision
Grant Cert Lawful Prop Use/Dev
Decision date
9 Jul 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Fluent ADS Ltd

How this decision compares

Decided in 52 days from validation, about the council's usual 55 days. Approved, as 87% of extensions here are.

72%decided within 8 weeks
87%approved
364decided in the last year

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

Consultation & key dates

Alt. reference
PP-14944619
Planning Portal ref
PP-14944619
Comments by
17 Jun 2026
Site or press notice
27 May 2026
Statutory expiry
13 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.

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.