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Refused20/AP/0834Submitted 6 years agoLoft conversion

18 Thompson Road London Borough of Southwark SE22 9JR

Certificate of lawfulness (proposed) for the construction of a mansard rear roof extension over the main house and outrigger of the existing terraced house, where the eaves of the outrigger is to be raised as a part of the proposal. The raising of a party wall in matching brickwork, two projecting window dormers to the outrigger mansard roof and one projecting dormer with Juliet balcony to the main mansard roof.

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Progress

Submitted
18 Mar 2020
— completed
Validated
18 Mar 2020
— completed
Consultation
— completed
Target date
13 May 2020
— completed
Decided
13 May 2020
— completed

Application details

Reference
20/AP/0834
Local authority
Southwark
Postcode
SE22 9JR
Ward
GOGR
Application type
All Other
Property type
House

Key dates

Submitted
18 Mar 2020
Validated
18 Mar 2020
Target decision
13 May 2020
Decided
13 May 2020

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. 3 recent sales are listed below.

Homes here go for about £717,500 — the median of the last 8 market sales in SE22 9JR, £400,500 to £1,220,000.

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