Planning application
17 Michelham Gardens Twickenham TW1 4SD
Works: Extension Demolition Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Demolition of an existing conservatory. Erection of a single-storey rear extension. Conversion of the existing garage into a habitable space and erection of a small bay window in front of the existing garage.
As published by the council, reference PA26/2476
Application record
- Reference
- PA26/2476
- Type
- Householder Application
- Status
- Registered
- Received
- 15 Jul 2026
- Validated
- 15 Jul 2026
- Ward
- South Twickenham Ward [STT]
- Postcode
- TW1 4SD
Site history
Applications at this address on the Richmond upon Thames register
This site has had 3 applications since 2025: 1 approved, 0 refused.
-
PA26/1400 Awaiting decision
17 Michelham Gardens Twickenham TW1 4SD
Details pursuant to condition C6 - sustainable drainage assessment of planning reference PA25/4449
-
PA25/4449 Granted
17 Michelham Gardens Twickenham TW1 4SD
Demolition of existing rear conservatory and erection of a single-storey rear extension, conversion of garage to habitable space and associated external alterations to front elevation, and installation of external wall insulation resulting in pebbledash to render finish.
Timeline
Dates from the published record
-
15 Jul 2026
Received by Richmond upon Thames
-
26 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 9 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Richmond upon Thames took a median of 46 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
28 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Richmond upon Thames for determination, against a statutory target of eight weeks. Over the last year Richmond upon Thames decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.
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
-
17 Michelham Gardens Twickenham TW1 4SD
Demolition of existing rear conservatory and erection of a single-storey rear extension, conversion of garage to habitable space and associated external alterations to front elevation, and installation of external wall insulation resulting in pebbledash to render finish.
Granted Householder Extension Demolition 36 docsSmall domestic -
17 Michelham Gardens Twickenham TW1 4SD
94% historically approved · decision due ~17 Jun
Details pursuant to condition C6 - sustainable drainage assessment of planning reference PA25/4449
Awaiting decision Conditions 2 docs -
13 Michelham Gardens Twickenham TW1 4SD
Single-storey rear extension.
Granted Householder Extension 13 docsSmall domestic -
13 Michelham Gardens Twickenham TW1 4SD
Rear roof extension and installation of 4 x rooflights to front roof slope
Granted Prior approval Extension Loft or dormer 12 docs -
29 Michelham Gardens Twickenham Richmond Upon Thames TW1 4SD
Proposed Single Storey Rear Extension, Single Storey Front Extension And Conversion Of Garage To A Habitable Room.
Granted Householder Extension 8 docsSmall domestic -
36 Michelham Gardens Twickenham Richmond Upon Thames TW1 4SB
Proposed Loft Conversion With Rear Dormer.
Granted Householder Loft or dormer 12 docsDomestic
Other householder applications
In Richmond upon Thames
-
PA26/2361 Refused
11, Waterloo Place, Richmond, TW9 1EB
Single storey rear extension to replace existing rear extension.
-
PA26/2869 Refused
60, Castelnau, London, SW13 9EX
Improvements to the front elevation, replacement of the coach house, replacement of the rear extensions, first and second floor rear extension and new basement excavation.
-
PA26/2821 Granted
192A, Sheen Lane, London, SW14 8LF
Alterations to the existing dwelling, including enlarging existing window and door openings, replacement windows and doors, new rooflight openings, replacement rooflights in existing openings, rendering the external brickwork, installation of an air source heat pump, air conditioning unit and photovoltaic panels, installation of woodburner flue, removal of the brick chimney stack at roof level and replacement of a brick garden wall with a timber screen.
-
PA26/2256 Refused
36A Cambridge Park Twickenham TW1 2JU
Erection of a detached domestic garage to serve the existing dwelling, positioned toward the front/side of the plot and associated frontage boundary alterations including replacement wall/fence/hedging treatment.
-
PA26/2671 Granted
30, The Avenue, Twickenham, TW1 1RY
Demolition of garage, ground floor rear extension, ground floor side extension, new conservation rooflights to main roof and removal of one window.