Planning application
DC/25/142409
21 KNOWLES HILL CRESCENT, LONDON, SE13 6DT
Proposal
Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the construction of a single storey rear extension with a depth of 5.37m, a maximum height of 3.16 m and an eaves height of 3.00m at 21 Knowles Hill Crescent, SE13.
As published by the council, reference DC/25/142409
Timeline
Dates from the published record
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11 Dec 2025
Received by Lewisham
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9 Jan 2026
Decision issued: Approval Not Required
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25 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About prior approval applications
How this application type works
Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.
Nearby applications
Within 500 metres
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DC/25/142424 Granted
21 KNOWLES HILL CRESCENT, LONDON, SE13 6DT
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes A, B, C and G of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a single-storey rear extension, rear dormer, three front roof lights, new soil vent pipe and new side window.
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DC/19/114726 Granted
DRIVING TEST CENTRE, ENNERSDALE ROAD, LONDON, SE13 6JD
An application for Prior Approval under Part 16 of Schedule 2 of the General Permitted Development Order 2015 (as amended) for installation of 20.0m high monopole with equipment cabinets and antennas and dishes on the land at the Driving Test Centre, Ennersdale Road, SE13.
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DC/26/143281 Granted
16 ENNERSDALE ROAD, LONDON, SE13 6JD
Installation of replacement double-glazed uPVC windows on the front, side and rear elevations; replacement of composite door on the front elevation and uPVC door on the rear elevation at Flats A-B, 16 Ennersdale Road, SE13.
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DC/26/143283 Granted
32 ENNERSDALE ROAD, LONDON, SE13 6JD
Installation of replacement double-glazed uPVC windows on the front, side and rear elevations; replacement of composite door on the front elevation and uPVC doors on the rear elevation at Flats A-B, 32 Ennersdale Road, SE13.
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DC/26/144409 Awaiting decision
71 PASCOE ROAD, LONDON, SE13 5JE
Replacement of all existing timber windows with double-glazed uPVC windows on the front and rear elevations; replacement of timber with a composite door on the front elevation and uPVC door on the rear elevation at Ground floor flat and First floor flat, 71 Pascoe Road, SE13.
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DC/19/114732 Granted
4 PASCOE ROAD, LONDON, SE13 5JB
Lawful Development Certificate (Proposed Use) for the construction of an L-shaped rear dormer roof extension including raising of the party walls to the adjoining Nos. 2 and 6 Pascoe Road together with the insertion of rooflights on the front roofslope at 4 Pascoe Road, SE18.
Other prior approval applications
In Lewisham
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DC/26/144818 Awaiting decision
63 ARDFILLAN ROAD, LONDON, SE6 1ST
Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the construction of a single storey rear extension with a depth of 4.00m, a maximum height of 3.00m and an eaves height of 2.55m at 63 Ardfillan Road SE6.
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DC/26/144819 Awaiting decision
63 MUIRKIRK ROAD, LONDON, SE6 1BJ
Application for Prior Approval under Schedule 2, Part 1, Class A, Part (g) of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the construction of a single storey rear extension with a depth of 4.50m, a maximum height of 3.00m and an eaves height of 3.00m at 63 Muirkirk Road SE6.
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DC/26/144763 Awaiting decision
21-23 DARTMOUTH ROAD, LONDON, SE23 3HN
Prior Approval under Schedule 2, Part 3, Class G of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the change of use of the first and second floors from Use Class E into two self contained flats at 21-23 Dartmouth Road, SE23.
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DC/26/144736 Awaiting decision
27 ACKROYD ROAD, LONDON, SE23 1DN
Application for Prior Approval under Schedule 2, Part 1, Class A of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the construction of a single storey side infill extension with a depth of 6.0m, a maximum height of 3.3m and an eaves height of 2.4m at 27 Ackroyd Road SE23.
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DC/26/144758 Awaiting decision
179 CRANSTON ROAD, LONDON, SE23 2EZ
Application for Prior Approval under Schedule 2, Part 1, Class A, Paragraph A.4 of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for the construction of a single-storey rear extension at a depth of 3.3m, an eaves height of 3m, and a maximum height of 3.3m to 179 Cranston Road, SE23.