Planning application
18 The Mount New Malden KT3 4HU
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
Erection of a single storey rear extension.
As published by the council, reference 26/01548/HOU
Application record
- Reference
- 26/01548/HOU
- Category
- Householder
- Status
- Granted
- Decision
- Granted As published: Application Granted
- Received
- 14 Jul 2026
- Validated
- 23 Jul 2026
- Decided
- 17 Sep 2026
- Postcode
- KT3 4HU
Site history
Applications at this address on the Kingston upon Thames register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
26/02135/FUL Awaiting decision
18 The Mount New Malden KT3 4HU
Application under Section 73 of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 1 (Approved drawings) for Application Reference Number: 26/01548/HOU (Erection of a single storey rear extension.) dated 17/09/2026. Variation to add a window to the right side elevation of the proposed extension.
Timeline
Dates from the published record
-
14 Jul 2026
Received by Kingston upon Thames
-
23 Jul 2026
Validated
Checked as complete and ready for consideration.
-
3 Aug 2026
Added to PlanIndex
-
17 Sep 2026
Decision issued: Application Granted
-
17 Sep 2026
Status changed to Granted
Previously Pending Consideration.
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/02135/FUL Awaiting decision
18 The Mount New Malden KT3 4HU
Application under Section 73 of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 1 (Approved drawings) for Application Reference Number: 26/01548/HOU (Erection of a single storey rear extension.) dated 17/09/2026. Variation to add a window to the right side elevation of the proposed extension.
What this grant of permission means
Kingston upon Thames granted permission on 17 September 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
Within 0.3 miles
-
18 The Mount New Malden KT3 4HU
70% historically approved · decision due ~1 Dec
Application under Section 73 of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 1 (Approved drawings) for Application Reference Number: 26/01548/HOU (Erection of a single storey rear extension.) dated 17/09/2026. Variation to add a window to the right side elevation of the proposed extension.
Awaiting decision Full applications Extension Windows or glazingSmall domestic -
7 The Mount New Malden KT3 4HU
Erection of single storey side and rear extension
Granted Householder Extension 6 docsSmall domestic -
7 The Mount New Malden KT3 4HU
Erection of single storey rear/side extension and rear dormer roof extension
Refused Householder Extension Loft or dormer 8 docsSmall domestic -
7 The Mount New Malden KT3 4HU
Erection of a rear dormer roof extension, installation of two windows and 1no. rear rooflight to facilitate loft conversion.
Granted Lawful development Extension Loft or dormer +1 7 docs -
15 The Mount New Malden KT3 4HU
Application under Section 73 of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 1 (Approved drawings) for Application Reference Number: 25/03022/HOU (Demolition of an existing garage, erection of part two storey/part single storey side and single storey rear extension. Roof extension with rear dormer.) dated 28.01.2026. Variation to consist of increase in size of dormer roof extension and to extend ground floor side extension in line with the front of the building.
Granted Full applications Extension Loft or dormer +1 7 docsSmall domestic -
15 The Mount New Malden KT3 4HU
Demolition of garage. Erection of two storey side extension, single storey rear extension and rear dormer roof extension to facilitate loft conversion.
Refused Householder Extension Loft or dormer +1 9 docsSmall domestic
Other householder applications
In Kingston upon Thames
-
26/02192/HOU Awaiting decision
24 Cobham Road Kingston Upon Thames KT1 3AF
Demolition of rear conservatory and erection of single storey rear extension
-
26/02169/HOU Awaiting decision
87 Hook Rise South Chessington KT6 7NA
Erection of single-storey part front and single-storey part rear extension, demolition of rear outbuilding and erection of replacement detached outbuilding. Changes to fenestrations and addition of 2nos. side windows, with internal and external alterations.
-
26/02167/HOU Awaiting decision
55 St Albans Road Kingston Upon Thames KT2 5HH
Erection of hip to gable and rear dormer roof extension with installation of 2nos. front rooflights to facilitate loft conversion.
-
26/02160/HOU Awaiting decision
33 Cardinal Crescent New Malden KT3 3EF
Removal of shed and erection of single storey outbuilding to rear
-
26/01662/HOU Granted
30 The Ridings Surbiton KT5 8HQ
Demolition of front porch and erection of single storey front porch extension. Changes to ground floor front and first floor rear fenestrations.