Planning application
15 Dorset Road Ashford TW15 3BZ
Works: Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness for proposed flat roof dormer to side roof slope of existing bungalow
As published by the council, reference 25/01242/CPD
Application record
- Reference
- 25/01242/CPD
- Type
- Cert. of Lawful Proposed Use and Dev
- Status
- Decided
- Decision
- Grant Cert Lawful Prop Use/Dev
- Received
- 10 Oct 2025
- Validated
- 10 Oct 2025
- Decided
- 1 Dec 2025
- Ward
- Ashford North And Stanwell South
- Parish
- Staines South And Ashford West ED
- Decision by
- Delegated Decision
- Postcode
- TW15 3BZ
Timeline
Dates from the published record
-
10 Oct 2025
Received by Spelthorne
-
1 Dec 2025
Decision issued: Grant Cert Lawful Prop Use/Dev
-
11 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Leamington Spa
201 applications on PlanIndex · across 77 councils · 88% granted
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See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
7 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Spelthorne granted permission on 1 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
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52 Avondale Road Ashford TW15 3HT
Prior Approval Notification for a single storey rear extension extending 6.0 metres beyond the rear wall of the original house, with a maximum height of 3.4 metres and a height of 2.9 metres to the eaves (As shown on plans: 52 001 and Location Plan received 05.05.2026)
Granted Prior approval Extension 8 docsSmall domestic -
3A Dorset Road Ashford TW15 3BZ
Prior Approval Notification for a single storey rear extension extending 8 metres beyond the rear wall of the original dwellinghouse, with a maximum height of 3 metres and eaves height of 2.81 metres. (As shown on plans AH735 01, AH735 02, AH735 03 received 25.11.2025)
Granted Prior approval Extension 11 docsSmall domestic -
3A Dorset Road Ashford TW15 3BZ
Front porch extension with associated front door relocation. Garage conversion into habitable space. Changes to fenestration. Erection of outbuilding in rear garden. (part retrospective)
Granted Householder Extension Windows or glazing 41 docsSmall domestic -
10 Dorset Road Ashford TW15 3BY
Certificate of Lawfulness for the proposed loft conversion, facilitated by a hip to gable extension and a rear dormer. Insertion of 3 no. rooflights on the front roof slope.
Refused Lawful development Extension Loft or dormer 11 docs -
60 Avondale Road Ashford TW15 3HT
First floor rear extension to facilitate a change of use from a 6-person HMO (use class C4) to a 7-person HMO (use class sui generis)
Refused Full applications Extension 13 docs -
43 Avondale Road Ashford TW15 3HP
Certificate of lawfulness for proposed loft conversion including a hip to gable conversion and rear dormer and two rooflights in the front roof slope
Granted Lawful development Loft or dormer 11 docs
Other lawful development applications
In Spelthorne
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26/00452/CLD Granted
177A Feltham Road Ashford TW15 1BB
Certificate of Lawfulness for existing use of the ground floor flat as a small HMO (Use Class C4)
-
26/00200/CLD Granted
73 Nursery Gardens Staines-upon-Thames TW18 1EL
Certificate of Lawfulness to establish the lawful use of the property is as a House in Multiple Occupation (Use Class C4) for up to six occupants. As shown on site location plan and block plan no EX-1003 and Pre-Existing Floor Plans (Page 01 of 02) and Existing Floor Plans (Page 02 of 02) received 27.02.2026.
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26/00383/CPD Refused
13 Meadow Road Ashford TW15 1PL
Certificate of lawfulness for proposed change of use from a 6 Person HMO (Class C4) to a 7 Person HMO (Sui-Generis)
-
26/00437/CLD Refused
4 Sunmead Road Sunbury-on-Thames TW16 6PE
Certificate of Existing Lawfulness for the conversion of a C3 dwellinghouse to a C4 small 6-person HMO.
-
26/00575/CLD Refused
96 Groveley Road Sunbury-on-Thames TW16 7LB
Certificate of Lawfulness for an existing development and use for a ground floor rear extension, roof alterations including a rear roof dormer and a hip to gable conversion with insertion of rooflights, and use as a small HMO (use class C4)