Planning application
5 Onslow Road New Malden KT3 4AR
Works: Extension Loft or dormer Demolition 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
Demolition of garage and erection of side extension replacement garage, alterations to roof with erection of hip to gable and rear dormer roof extensions, changes to side fenestrations, internal alterations and installation of front porch canopy. Installation of solar panels
As published by the council, reference 25/03297/CPU
Application record
- Reference
- 25/03297/CPU
- Type
- Cert of Lawful Use/Operation - Proposed
- Status
- Granted
- Decision
- Application Granted
- Received
- 23 Dec 2025
- Validated
- 23 Dec 2025
- Decided
- 17 Feb 2026
- Ward
- New Malden Village
- Parish
- New And Old Malden
- Decision by
- Delegated Decision
- Postcode
- KT3 4AR
Site history
Applications at this address on the Kingston upon Thames register
This site has had 4 applications since 2025: 2 approved, 2 refused.
-
26/00954/HOU Granted
5 Onslow Road New Malden KT3 4AR
Demolition of garage and erection of single storey side extension. Roof alterations, installation of pv panels, air source heat pump and insulated render. Replacement of windows and internal alterations
-
25/02486/CPU Refused
5 Onslow Road New Malden KT3 4AR
Demolition of an existing side garage, erection of a single storey side and rear oriel window extension. Hip to gable roof extension with rear dormer and installation of 2nos front rooflighs with new roof tiles. Fenestration alteration. Installation of solar panels, addition of front porch canopy.
-
25/01678/CPU Refused
5 Onslow Road New Malden KT3 4AR
Demolition of garage and erection of single storey side garage extension. Roof alterations with erection of both side hip-to-gable and rear dormer roof extensions. Installation of insulated render, solar panels to dormer roof, and air-source heat pump to rear. Replacement of windows. Erection of front porch canopy.
Timeline
Dates from the published record
-
23 Dec 2025
Received by Kingston upon Thames
-
17 Feb 2026
Decision issued: Application Granted
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
17 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Kingston upon Thames granted permission on 17 February 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 500 metres
-
5 Onslow Road New Malden KT3 4AR
Demolition of garage and erection of single storey side garage extension. Roof alterations with erection of both side hip-to-gable and rear dormer roof extensions. Installation of insulated render, solar panels to dormer roof, and air-source heat pump to rear. Replacement of windows. Erection of front porch canopy.
Refused Lawful development Extension Loft or dormer +3 17 docsSmall domestic -
5 Onslow Road New Malden KT3 4AR
Demolition of an existing side garage, erection of a single storey side and rear oriel window extension. Hip to gable roof extension with rear dormer and installation of 2nos front rooflighs with new roof tiles. Fenestration alteration. Installation of solar panels, addition of front porch canopy.
Refused Lawful development Extension Loft or dormer +3 17 docsSmall domestic -
5 Onslow Road New Malden KT3 4AR
Demolition of garage and erection of single storey side extension. Roof alterations, installation of pv panels, air source heat pump and insulated render. Replacement of windows and internal alterations
Granted Householder Extension Roofing +2 21 docsSmall domestic -
45 Egmont Road New Malden KT3 4AT
Erection of hip to gable roof extension with rear dormer and installtion of 3 nos front roof lights.
Granted Lawful development Extension Loft or dormer 11 docs -
27 Egerton Road New Malden KT3 4AP
Erection of rear dormer roof extension and installation of 2no.x front rooflights to facilitate loft conversion
Granted Lawful development Extension Loft or dormer 9 docs -
27 Egerton Road New Malden KT3 4AP
Erection of single storey rear extension following demolition of existing conservatory
Granted Householder Extension Demolition 8 docsSmall domestic
Other lawful development applications
In Kingston upon Thames
-
26/01028/CPU Granted
7 Lynton Close Chessington KT9 1HB
Conversion of existing attached garage to utility room and WC ancillary to the main dwelling.
-
26/01012/CPU Granted
40 Staunton Road Kingston Upon Thames KT2 5TJ
Erection of hip to gable roof extension with rear dormer and installation of 2nos front roof lights
-
26/01468/CPU Granted
112 Durlston Road Kingston Upon Thames KT2 5RU
Erection of rear dormer roof extension and installation of 2nos front rooflights.
-
26/00870/CPU Refused
14 Regent Road Surbiton KT5 8NL
Erection of hip-to-gable and rear dormer roof extension with Juliet balcony and 1no. front rooflight to facilitate loft conversion.
-
26/01068/CPU Granted
27 Dawson Road Kingston Upon Thames KT1 3AU
Erection of single storey rear extension with alteration to side fenestration.