Planning application
26/00167/FUL
135 And 137 Brightside Avenue Staines-upon-Thames TW18 1NH
Proposal
Retrospective application for retention of roof extension including raised ridge height, rear facing dormers and 6 no roof lights on front roof plane. Part two storey part single storey side extension and single storey front and rear extension to 137 Brightside Avenue.
As published by the council, reference 26/00167/FUL
Timeline
Dates from the published record
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18 Feb 2026
Received by Spelthorne
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14 Apr 2026
Validated
Checked as complete and ready for consideration.
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30 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Spelthorne for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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26/00451/HOU Granted
72 Brightside Avenue Staines-upon-Thames TW18 1NQ
Erection of a roof canopy over existing front porch and bay window.
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26/00621/CLD Awaiting decision
58 Templedene Avenue Staines-upon-Thames TW18 1LW
Certificate of Lawfulness for existing use or development of a loft conversion to include hip to gable extension, the installation of a rear facing dormer and 2 no. roof lights within the front roof slope.
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26/00756/HOU Awaiting decision
52 Brightside Avenue Staines-upon-Thames TW18 1NG
Demolition of existing detached garage and erection of a single storey side and rear extension
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21/01046/CPD Granted
6 Templedene Avenue Staines-upon-Thames TW18 1LP
Certificate of Lawfulness for proposed development of a single storey rear extension following the demolition of the existing conservatory.
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26/00515/CPD Granted
1 Pavilion Gardens Staines-upon-Thames TW18 1LS
Certificate of Proposed Development for a hip to gable loft conversion with rear dormer and three roof lights on front roof slope
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26/00570/PDH Granted
21 Arnold Road Laleham Staines-upon-Thames TW18 1LY
Prior approval notification for a single storey rear extension measuring 6 metres in depth beyond the rear wall of the original dwelling house measuring a maximum height of 3 metres and a height to the eaves of 3 metres. (As shown on location plan and plans no'd MATHEW/PLAN/001, /002, /003 rec'd 01.06.2026).
Other full applications applications
In Spelthorne
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26/00412/FUL Refused
505 Staines Road West Ashford TW15 2AB
Removal of part of landscape strip and installation of proposed new driveway and crossover. (As shown on plan no's EXL003, P003, E001, E002, E003, E004, S001, S002 rec'd 22.04.2026 and PR L003, L002, L001, P003, E001, E002, E003, E004, S001, S002, L001 rec'd 01.06.2026.)
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26/00546/FUL Granted
WHSmith 49 - 51 High Street Staines-upon-Thames TW18 4QR
Installation of new windows and doors at ground floor level on the west and south elevations of the building.
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26/00509/FUL Granted
71 Viola Avenue Stanwell Staines-upon-Thames TW19 7SA
Amended description:- Erection of a part single/part two storey rear extension and conversion of existing dwelling into 2 no. two bedroom flats (following demolition of existing conservatory). Extending an existing crossover.
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26/00144/FUL Granted
126 Whitley Close Stanwell Staines-upon-Thames TW19 7EY
Retrospective permission for the erection of a single storey rear extension to ground floor flat.
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25/01461/FUL Granted
The Vineries Site Spout Lane Stanwell Moor Staines-upon-Thames TW19 6BN
Demolition of existing buildings and erection of an office, welfare and maintenance building, replacement of existing hardstanding, with retention of existing storage yard (Use Class B8). Associated car and cycle parking, refuse storage and landscaping.