Planning application
137 Petersfield Avenue Staines-upon-Thames TW18 1DH
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness for the proposed loft conversion facilitated by a hip to gable extension and rear dormer. Erection of outbuilding in rear garden.
As published by the council, reference 26/00426/CPD
Application record
- Reference
- 26/00426/CPD
- Type
- Cert. of Lawful Proposed Use and Dev
- Status
- Decided
- Decision
- Granted As published: Grant Cert Lawful Prop Use/Dev
- Received
- 27 Apr 2026
- Validated
- 29 Apr 2026
- Decided
- 9 Jun 2026
- Ward
- Staines South
- Parish
- Staines South And Ashford West ED
- Decision by
- Delegated Decision
- Postcode
- TW18 1DH
Site history
Applications at this address on the Spelthorne register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
26/00425/HOU Granted
137 Petersfield Avenue Staines-upon-Thames TW18 1DH
Erection of a single storey rear extension with terrace. Single storey front porch extension. External insulation and re-rendering house, and changes to fenestration. Following removal of existing garage.
Timeline
Dates from the published record
-
27 Apr 2026
Received by Spelthorne
-
29 Apr 2026
Validated
Checked as complete and ready for consideration.
-
9 Jun 2026
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
Vorbild Architecture Limited Agent, an architecture practice registered in London
Active · incorporated 2010 · London
55 applications on PlanIndex · across 12 councils · 68% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
9 documents on file for this application
- CPCPDZ CERT PROPOSED DEV
- DELEGATED REPORT UPDATED 24.6.20
- VOLUME CALCULATIONS
- REVISED PLANS COMBINED
- LOCATION PLAN
- ACKCPD ACK LETTER CPD
- APPLICATIONFORMREDACTED
- FEECALCULATION
- ATTACHMENTSUMMARY
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Spelthorne granted permission on 9 June 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 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 0.3 miles
-
137 Petersfield Avenue Staines-upon-Thames TW18 1DH
Erection of a single storey rear extension with terrace. Single storey front porch extension. External insulation and re-rendering house, and changes to fenestration. Following removal of existing garage.
Granted Householder Extension Windows or glazing 8 docsSmall domestic -
Junction Opposite Edinburgh Drive And Kingston Road Staines-upon-Thames TW18 1PA
Prior Approval notification for the upgrade of the existing telecommunications site. Removal of the existing 8m telegraph pole and antennas, and installation of a 20m monopole supporting 6 no new antennas with wraparound cabinet at base with the removal of 2 no existing cabinets and replacement with 1 no new cabinet and ancillary development
Decided 30 docs -
102 Petersfield Road Staines-upon-Thames TW18 1DL
100% historically approved · decision due ~31 Oct
Discharge of condition 6 (Materials) and 10 (Renewable Energy) relating to planning permission 24/00657/FUL
Awaiting decision Conditions 2 docs -
102 Petersfield Road Staines-upon-Thames TW18 1DL
Discharge of condition 6 (Materials) and 10 (Renewable Energy) relating to planning permission 24/00657/FUL
Granted Conditions 5 docs -
202 Kingston Road Staines-upon-Thames TW18 1PE
Variation to Condition 3 (Approved Plans) relating to planning permission 25/00626/HOU for the erection of an outbuilding with solar panels in the rear garden. Rescaling and repositioning of structure, changes to fenestration, and greater overhang of eaves.
Granted Amendments Windows or glazing 6 docs -
153 Kingston Road Staines-upon-Thames TW18 1PB
Certificate of Lawfulness for proposed loft conversion with a hip to gable roof alteration and a rear dormer
Granted Loft or dormer 10 docs
Other lawful development applications
In Spelthorne
-
26/00916/CPD Awaiting decision
9 Alexandra Road Ashford TW15 1TW
Certificate of Lawfulness for proposed conversion of roof space into habitable room, to include a rear dormer and conversion of roof from hip to gable end and 2 no roof lights on front of roof.
-
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.
-
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.