15 Clifford Grove Ashford TW15 2JS Data via plota.co.uk

26/00794/CPD - Cert. of Lawful Proposed Use and Dev Approved
Extensions & alterations

Proposal

Certificate of Lawfulness for proposed single storey side extension (as shown on plan no's , 02, /03 rec'd 28.07.2026). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
28 Jul 2026
✓
Approved
22 Sept 2026

Approved on 22 Sept 2026 · Delegated Decision · Last checked 23 Sept 2026

Documents 4

Decision & officer reports 2

PDF CPCPDZ CERT PROPOSED DEV Decision Notice · 22 Sept 2026 View ↗ PDF DELEGATED REPORT UPDATED 24.6.20 Officers Report · 22 Sept 2026 View ↗

Application forms 1

PDF CG15-CIL CIL - Form · 28 Jul 2026 View ↗

Other documents 1

PDF ACKCPD ACK LETTER CPD Correspondence · 13 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 3

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 ↗
National infrastructure project 571 m away: Southampton to London Pipeline Project
The site is 571 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, 556 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 Ashford (Spelthorne) built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building 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 1

Last sold for £510,000 in September 2009. Detached house, freehold.

8 September 2009£510,000

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

Building

Floor area171 m² (1,841 sq ft)
Energy ratingF (27 out of 100), could reach E
PropertyDetached house, 7 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in July 2009, the latest held for this property. The building may have changed since. View the certificate

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Nearby new applications

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Conversion of existing integral/attached garage to habitable use (home office/st...

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3 Aug 2026Approved

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Important details

Council
Spelthorne
Application type
Cert. of Lawful Proposed Use and Dev
Postcode
TW15 2JS
Received
28 Jul 2026
Validated
28 Jul 2026
Ward
Ashford East
Parish
Ashford ED
Case officer
Show
Target decision
22 Sept 2026
Decision
Grant Cert Lawful Prop Use/Dev
Decision date
22 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
AJT Design Services Ltd

How this decision compares

Decided in 56 days from validation, about the council's usual 55 days. 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

No public comments yet.

Last counted 23 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15114178
Planning Portal ref
PP-15114178
Comments by
10 Sept 2026
Site or press notice
19 Aug 2026
Statutory expiry
22 Sept 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
65 Clockhouse Lane Ashford TW15 2EP
Erection of a single storey side and rear wrap around extension with roof lanterns. Follo…
25/01272/HOU
2025 Approved
65 Clockhouse Lane Ashford TW15 2EP
Erection of a single storey side and rear wrap around extension with roof lanterns. Follo…
25/01272/HOU
2024 Approved
36 Parkland Grove Ashford TW15 2JR
Removal of existing storm porch and replacement with enclosed porch at front of house
24/01543/HOU
2024 Approved
36 Parkland Grove Ashford TW15 2JR
Removal of existing storm porch and replacement with enclosed porch at front of house
24/01543/HOU
2024 Approved
19 Clifford Grove Ashford TW15 2JS
Erection of a single storey rear extension
24/00310/HOU
2024 Approved
19 Clifford Grove Ashford TW15 2JS
Erection of a single storey rear extension
24/00310/HOU
2023 Approved
36 Parkland Grove Ashford TW15 2JR
Proposed part two storey part single storey side / rear extension
23/00475/HOU
2023 Approved
36 Parkland Grove Ashford TW15 2JR
Proposed part two storey part single storey side / rear extension
23/00475/HOU
2023 Approved
54 Parkland Grove Ashford TW15 2JR
Conversion of garage and front extension to form porch
23/00406/HOU
2023 Approved
54 Parkland Grove Ashford TW15 2JR
Conversion of garage and front extension to form porch
23/00406/HOU
2022 Approved
55 Parkland Grove Ashford TW15 2JB
Proposed garage conversion with new pitched roof over
22/00977/HOU
2022 Approved
55 Parkland Grove Ashford TW15 2JB
Proposed garage conversion with new pitched roof over
22/00977/HOU
2020 Approved
71 Clockhouse Lane Ashford TW15 2EP
Erection of a single storey front, side and rear extension and the conversion of the exis…
20/00238/HOU
2020 Approved
71 Clockhouse Lane Ashford TW15 2EP
Erection of a single storey front, side and rear extension and the conversion of the exis…
20/00238/HOU
2018 Approved
55 Clockhouse Lane, Ashford, TW15 2EP
Erection of single storey rear extension.
18/00250/HOU
2018 Approved
57 Clockhouse Lane, Ashford, TW15 2EP
Erection of single storey rear extension
18/00033/HOU
2017 Approved
46 Parkland Grove, Ashford, TW15 2JR
Erection of a single storey rear extension
17/01183/HOU
2017 Approved
46 Parkland Grove, Ashford, TW15 2JR
Erection of a single storey rear extension
17/01183/HOU
2017 Approved
53 Clockhouse Lane, Ashford, TW15 2EP
Erection of a two storey side extension and alterations to roof form over existing single…
17/00801/HOU
2017 Approved
53 Clockhouse Lane, Ashford, TW15 2EP
Erection of a two storey side extension and alterations to roof form over existing single…
17/00801/HOU
2017
19 Clifford Grove, Ashford, TW15 2JS
Minor Amendment
16/01293/AMD
2016 Refused
19 Clifford Grove, Ashford, TW15 2JS
Erection of an outbuilding (retrospective)
16/01593/HOU
2016 Approved
19 Clifford Grove, Ashford, TW15 2JS
Erection of a first floor extension with part single storey, part two storey front and si…
16/01293/HOU
2016 Approved
56 Parkland Grove, Ashford, TW15 2JR
Erection of a single storey side and rear extension.
16/00768/HOU
2016 Refused
19 Clifford Grove, Ashford, TW15 2JS
Erection of a first floor extension with a two storey side and front extension, a new roo…
16/00225/HOU
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
Source: MHCLG planning statistics · See full council rankings

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.