← Back to search

Permitted23/AP/3354Submitted 2 years agoLoft conversion

61 Calton Avenue London Borough of Southwark SE21 7DF

Non material amendment of planning permission ref. no. 23/AP/1984 dated 28/09/2023 for 'Raising of the existing outrigger roof by approx. 1050mm, to provide additional floorspace on the Second Floor. A new sash window matching the existing windows will replace the small existing window of the outrigger and two rooflights are added to the outrigger roof. The existing dormer on the rear elevation is proposed to be widened by approx. 700mm with two new sash windows to match the existing. The new dormer roof will be finished with roof tiles that will match the existing. The proposed works also include a new conservatory infill extension to the Ground Floor and the Crittall -type glazed conservatory extension will have a matching glazed roof to provide further sunlight into the Ground Floor space. The existing rooflight and double doors to the side of the proposed conservatory will be replaced with a Crittalltype rooflight and double doors, respectively, to match the proposed conservatory'. The amendment seeks the following: - The height of the raised roof ridge of the rear outrigger to be reduced to 0.85m above the existing - The new sash window to the rear of the two-storey outrigger to be reduced in proportion - The two new rear rooflights are to be conservation-type rooflights with a dividing vertical glazing bar - The height of the rear dormer is to be reduced to 2.6m from base to the ridge - The zinc cladding of the dormer is to be dark grey.

Find on council portal

Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.

Progress

Submitted
7 Dec 2023
— completed
Validated
7 Dec 2023
— completed
Consultation
— completed
Target date
3 Jan 2024
— completed
Decided
21 Dec 2023
— completed

Application details

Reference
23/AP/3354
Local authority
Southwark
Postcode
SE21 7DF
Ward
DUVI
Application type
All Other
Property type
House

Key dates

Submitted
7 Dec 2023
Validated
7 Dec 2023
Target decision
3 Jan 2024
Decided
21 Dec 2023

Estimated project value

£37k–£100k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £3,420,001 — the median of the last 8 market sales in SE21 7DF, £2,600,000 to £3,525,100.

Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

Nearby applications