Planning application
22 Cornflower Terrace London Southwark SE22 0HH
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Install an external air conditioning unit (a mini VRF unit) at the back of the property
As published by the council, reference 26/AP/0309
Application record
- Reference
- 26/AP/0309
- Type
- Householder Application
- Status
- Granted
- Decision
- Granted As published: Householder - GRANTED
- Received
- 3 Feb 2026
- Validated
- 17 Feb 2026
- Decided
- 28 Apr 2026
- Ward
- Dulwich Hill
- Parish
- Dulwich
- Decision by
- Delegated Panel - Complex
- Postcode
- SE22 0HH
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2022: 2 approved, 0 refused.
-
22/AP/2641 Granted
22 Cornflower Terrace London Southwark SE22 0HH
Alterations to the existing single storey side-rear extension, including a new flat roof to the rear and re-arranging the rooflights, and the construction of a first floor rear extension and L-shaped rear dormer extension, together with raising the roof ridge on the main roof by 330mm and installing an air conditioning unit on the dormer roof, two rooflights on the front roof slope and a new first floor window to the side of the property.
Timeline
Dates from the published record
-
3 Feb 2026
Received by Southwark
-
17 Feb 2026
Validated
Checked as complete and ready for consideration.
-
28 Apr 2026
Decision issued: Householder - GRANTED
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
26 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 this grant of permission means
Southwark granted permission on 28 April 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
-
22 Cornflower Terrace London Southwark SE22 0HH
Alterations to the existing single storey side-rear extension, including a new flat roof to the rear and re-arranging the rooflights, and the construction of a first floor rear extension and L-shaped rear dormer extension, together with raising the roof ridge on the main roof by 330mm and installing an air conditioning unit on the dormer roof, two rooflights on the front roof slope and a new first floor window to the side of the property.
Granted Householder Extension Loft or dormer +1 27 docsSmall domestic -
16 Cornflower Terrace London Southwark SE22 0HH
Construction of an L-shaped rear dormer roof extension with raising of the ridge height by 300mm; installation of 2 new rooflights to the front roofslope; 1x window to dormer side elevation; 1x new rooflight and side elevation window to the existing single storey rear extension.
Granted Householder Extension Loft or dormer +2 7 docsSmall domestic -
51 Ryedale London Southwark SE22 0QL
Construction of a rear dormer extension, raising the ridge roof line and the installation of three roof lights and one balcony window on the front elevation roof slope.
Refused Householder Extension Loft or dormer +1 15 docsDomestic -
44 Ryedale London Southwark SE22 0QW
Certificate of lawfulness (proposed): construction of a rear dormer extension with rooflights to front roof slope.
Granted Lawful development Extension Loft or dormer 14 docs -
10B Balchier Road London Southwark SE22 0QN
Construction of an L-shaped rear dormer roof extension with a roof terrace; and the installation of 2x rooflights to the front roofslope.
Granted Full applications Extension Loft or dormer 15 docs -
39 Ryedale London Southwark SE22 0QW
Certificate of lawfulness (proposed) for the construction of a rear dormer window and 2 rooflights to front roof slope
Granted Lawful development Loft or dormer Windows or glazing 9 docs
Other householder applications
In Southwark
-
26/AP/2158 Granted
7 Alma Grove London Southwark SE1 5PY
Erection of a rear ground floor side extension with a framed glass roof and bi-folding rear doors. Replacement of windows and door. Alterations to external facade.
-
26/AP/2601 Awaiting decision
49 Henshaw Street London Southwark SE17 1PE
Demolition of existing rear extension and construction of part single, part two storey rear extension and erection of roof terrace on main roof with balustrades and glazed access hatch.
-
26/AP/2545 Awaiting decision
76 Shenley Road London Southwark SE5 8NQ
Construction of a single storey side and rear extension to the rear; construction of a rear dormer roof extension over the main roofslope and the installation of 3x rooflights to the front roofslope.
-
26/AP/2533 Awaiting decision
28 Tyrrell Road London Southwark SE22 9NE
Construction of rear extension.
-
26/AP/2517 Awaiting decision
65 Calton Avenue London Southwark SE21 7DF
Construction of a ground-floor side-rear extension with terrace reinstated above; alterations to the rear outrigger, including raising the eaves and ridge, removal of the chimney stack, replacement windows, and installation of two rooflights; enlargement of the existing rear dormer; erection of bin and bike stores in the front garden, together with new landscaping and a front boundary wall; installation of an EV charger to front elevation and removal of existing front porch door; removal of existing garden buildings and erection of a shed, sauna and pergola in the rear garden, together with new landscaping and decking.