Planning application
26/00575/CLD
96 Groveley Road Sunbury-on-Thames TW16 7LB
Proposal
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)
As published by the council, reference 26/00575/CLD
Timeline
Dates from the published record
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2 Jun 2026
Received by Spelthorne
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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 lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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26/00018/FUL Awaiting decision
96 Groveley Road Sunbury-on-Thames TW16 7LB
First floor rear extension to facilitate a change of use from a 6 occupant HMO (use class C4) to a house of multiple occupancy for 7 occupants (HMO - Sui Generis)
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25/01489/HOU Granted
96 Groveley Road Sunbury-on-Thames TW16 7LB
Amended Description: Erection of a first floor rear extension
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26/00439/HOU Awaiting decision
88 Groveley Road Sunbury-on-Thames TW16 7LB
Proposed erection of part single storey and part double storey side and rear extensions and roof extension to include a hip to gable end loft conversion with rear dormer and 3 no's skylights in front roof slope.
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23/00057/CPD Granted
29 Vicarage Road Sunbury-on-Thames TW16 7QF
Certificate of Lawfulness for the proposed development of a loft conversion consisting of a rear roof dormer.
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26/00616/EIASE Decided
Land East Of Vicarage Road Vicarage Road Sunbury-on-Thames TW16 7LB
EIA Screening Opinion on behalf of Riverdale Developments, in respect of new residential development of 160 dwellings
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24/01166/HOU Granted
53 Burgoyne Road Sunbury-on-Thames TW16 7PS
Erection of a single storey rear extension
Other lawful development applications
In Spelthorne
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26/00604/CPD Granted
13 Lucie Avenue Ashford TW15 2BH
Certificate of lawfulness for proposed rear dormer loft conversion with 3 front roof windows
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26/00585/CPD Granted
55 Gordon Close Staines-upon-Thames TW18 1AP
Certificate of lawfulness for proposed dormer in rear roof and hip to gable extension and two rooflights within the front roof slope
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26/00563/CPD Granted
141 Gaston Way Shepperton TW17 8ET
Certificate of lawfulness for loft conversion with rear flat roof dormer
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26/00571/CPD Granted
21 Arnold Road Laleham Staines-upon-Thames TW18 1LY
Certificate of Lawfulness for proposed hip to gable roof alteration with rear facing dormer and 2 no. roof lights on front roof plane (As shown on Location plan and plans no's MATTHEW/PLAN/001, /002, /003, /004 rec'd 01.06.2026.)
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26/00787/CPD Awaiting decision
91 Metcalf Road Ashford TW15 1HB
Certificate of Lawfulness for the proposed erection of a front porch.