Planning application
21 Oakington Drive Sunbury-on-Thames TW16 5NR
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Conversion of existing garage to habitable accommodation with increase in roof height, single storey rear extension, single storey front extension, and new front porch.
As published by the council, reference 25/01524/HOU
Application record
- Reference
- 25/01524/HOU
- Type
- Householder Application
- Status
- Decided (Approved)
- Decision
- Granted As published: Grant Conditional
- Received
- 19 Dec 2025
- Validated
- 4 Feb 2026
- Decided
- 17 Apr 2026
- Ward
- Sunbury East
- Parish
- Lower Sunbury And Halliford ED
- Decision by
- Delegated Decision
- Postcode
- TW16 5NR
Timeline
Dates from the published record
-
19 Dec 2025
Received by Spelthorne
-
4 Feb 2026
Validated
Checked as complete and ready for consideration.
-
17 Apr 2026
Decision issued: Grant Conditional
-
11 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
19 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Spelthorne granted permission on 17 April 2026, 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
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4 Ilex Close Sunbury-on-Thames TW16 5JD
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Erection of single storey side and rear extension.
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10 Sunbury Court Road Sunbury-on-Thames TW16 5NL
Certificate of lawfulness for proposed hip to gable roof alteration with rear facing dormer and 2 no. roof lights on the front roof slope. (as shown on location plan and plan no's PM.000, P.M 100, P.M 400A, P.M 300, P.M 600A, P.M 200, P.M 201, P.M 500B, P.M 501B rec'd 16.10.2025.)
Granted Lawful development Loft or dormer 15 docs -
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Erection of a single storey rear extension with roof lantern, with steps and raised terrace in front. Following removal of existing conservatory.
Granted Householder Extension Windows or glazing 9 docsSmall domestic -
54 French Street Sunbury-on-Thames TW16 5JJ
Erection of a single storey front porch
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Woodland House Woodlands Drive Sunbury-on-Thames TW16 5JS
87% historically approved · decision due ~30 Oct
Variation to Condition 3 (Approved Plans) relating to planning permission 26/00329/HOU for the Erection of a part single, part two-storey rear extension. Two-storey front extension and single storey front porch extension. 2 no. flank dormer windows. Relocation and alterations to existing dormers, and insertion of rooflight on main roof. Change hipped roofs to gable roofs.
Awaiting decision Extension Loft or dormer +1 7 docsSmall domestic
Other householder applications
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26/00816/HOU Granted
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Proposed first floor side and rear extension and partial conversion of garage to habitable accommodation
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26/00914/HOU Granted
53 Gordon Road Ashford TW15 3ES
Erection of a single storey side and rear wraparound extension, connecting to existing detached garage. Following removal of existing conservatory. Rear timber brise soleil. Alterations to front driveway.
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26/00869/HOU Decided
Cherry Tree Cottage Halliford Road Sunbury-on-Thames TW16 6DG
Erection of single storey side extension and front extension (following demolition of existing conservatory, side utility and front porch) New roof comprising ridge height increase and 2 no. side facing dormers (as shown on plan no's 05a rec'd 27.08.2026 and location plan, block plan, 01, 03 and 04 rec'd 17.08.2026) .
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26/00925/HOU Granted
73A Parkland Grove Ashford TW15 2JF
Conversion and extension of existing garage to provide a garden office with shower room with new roof
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26/00894/HOU Granted
288 Feltham Hill Road Ashford TW15 1LN
Erection of a two-storey side extension and a part two-storey, part single storey rear extension. Loft conversion with 1 no. rear facing dormer and 4 no. rooflights. Front porch extension and new vehicle crossover with associated driveway alterations.