Planning application
20 Henderson Road SW18 3RR
Works: Extension Loft or dormer 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
Alterations including erection of mansard roof extension to main rear roof and erection of single-storey rear and side extension. Erection of single storey outbuilding. Alterations to front brick boundary wall.
As published by the council, reference 2026/1130
Application record
- Reference
- 2026/1130
- Type
- Householder
- Status
- FINAL DECISION
- Decision
- Approve with Conditions
- Received
- 23 Mar 2026
- Validated
- 31 Mar 2026
- Decided
- 18 May 2026
- Ward
- Wandsworth Common
- Decision by
- Delegated Standard
- Postcode
- SW18 3RR
Site history
Applications at this address on the Wandsworth register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
2025/4280 Withdrawn
20 Henderson Road SW18 3RR
Erection of a replacement ground floor single-storey rear/side extension, erection of a dormer extension to main rear roof slope and alterations to second floor outrigger. Alterations to rear and side fenestration, roof lights to front pitched roof, erection of a rear garden shed. Alterations to front brick boundary wall
Timeline
Dates from the published record
-
23 Mar 2026
Received by Wandsworth
-
31 Mar 2026
Validated
Checked as complete and ready for consideration.
-
18 May 2026
Decision issued: Approve with Conditions
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
14 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
Wandsworth granted permission on 18 May 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 500 metres
-
20 Henderson Road SW18 3RR
Erection of a replacement ground floor single-storey rear/side extension, erection of a dormer extension to main rear roof slope and alterations to second floor outrigger. Alterations to rear and side fenestration, roof lights to front pitched roof, erection of a rear garden shed. Alterations to front brick boundary wall
Withdrawn Householder Extension Loft or dormer +1 16 docsSmall domestic -
31 Henderson Road SW18 3RR
T1: Red Maple - Clean out crown, reduce all around to previous reduction points; reduce branches over-hanging to the rear of the site to previous reduction points. T2: Cedar - Remove two lower limbs and one dying limb; reduce crown by 20% and reshape. T3: Locust tree/False Acacia: Reduce growth by 20%; remove three dying branches.
Decided Trees -
31 Henderson Road SW18 3RR
T1 Maple: Reduce the lateral spread over No. 16 Dorlcote Road By approx. 1-1.5m cutting no further than the previous points of reduction, To reduce suppression on garden flora and fawna, and for routine maintenance.
Decided -
31 Henderson Road SW18 3RR
Red Maple: Reduce. Cedar: 3 Limbs removal and crown reshape. Locust Tree: Reduction by 20%.
Decided Trees -
22 Henderson Road SW18 3RR
87% historically approved · decision due ~13 Oct
Rear T1 Cherry x 1 (Prunus spp) This 9m mature cherry tree has not previously been reduced. It was planted by the client and has now outgrown its location, blocking light into the garden. Suggested work- crown reduction - reduce the height by 2.5m - reduce the lateral growth 1.5-2m to suitable growth points - remove creeper from canopy, this will improve sunlight coming through Rear boundary T2 Beech x 6 (Fagus sylvatica) This row of beech trees growing in the rear neighbours garden have been grown and pruned into a dividing hedge. The height has now become oppressive and the client would like it reduced. Suggested work: - reduce the height 1.5m below the solid dense top of the hedge- trim both faces of hedge to shape and contain
Awaiting decision Trees -
19 Henderson Road SW18 3RR
T1-Eucalyptus: Reduce crown back to the most recent pruning points all round, approximately 2-3m from branch tips Retain shortened furnishing growth for crown continuity
Decided Trees 3 docs
Other householder applications
In Wandsworth
-
2026/0398 Granted
65 West Hill Road SW18 1LE
Erection of two, single-storey outbuildings (studio and garden/swimming pool room) ancillary to main house located in rear garden.
-
2025/4355 Granted
44 Endlesham Road SW12 8JL
Alterations including erection of side and rear roof extension to main rear roof and extension above part of two-storey back addition (with French doors and glazed safety screen). Installlation of solar panels to roof of extension.
-
2026/3027 Withdrawn
10 Gamlen Road SW15 1AB
Alterations including erection of a mansard extension (with French doors and safety railings) to the main rear roof, including raising the ridge by 100mm, installation of two rooflights to front roofslope, installation of a new pitched roof and patio doors to the existing single storey rear extension. Revisions to planning permission 2026/1990, to include reduction of rear extension rooflights from three to two; addition of one conservation rooflight to the front roof slope above the stairwell; and improvements to the front garden and boundary treatment, including a new brick boundary wall, planting, path and paving, cycle store, and external redecoration.
-
2026/3038 Withdrawn
43 Sistova Road SW12 9QR
Erection of 3m high timber boudary fence.
-
2026/3026 Withdrawn
6 Rockland Road SW15 2LN
Installation of UPVC double glazed sash windows.