Planning application
45 BLYTHE HILL LANE, LONDON, SE6 4UP
Works: Demolition
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town and Country Planning Act 1990 (as amended) and Class A of Schedule 2 Part 1, of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the demolition and replacement of existing sunroom to side elevation of 45 Blythe Hill Lane, SE6 4UP.
As published by the council, reference DC/25/142243
Application record
- Reference
- DC/25/142243
- Type
- Lawful Development Certificate proposed
- Status
- Decided
- Decision
- Refused
- Received
- 25 Nov 2025
- Validated
- 24 Nov 2025
- Decided
- 9 Dec 2025
- Ward
- Crofton Park
- Decision by
- Delegated
- Postcode
- SE6 4UP
Site history
Applications at this address on the Lewisham register
This site has had 2 applications since 2025: 1 approved, 1 refused.
-
DC/26/142556 Granted
45 BLYTHE HILL LANE, LONDON, SE6 4UP
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class A of Schedule 2, Part 1]of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the replacement of glazed roof and rear door of existing infill single-storey rear extension at 45 BLYTHE HILL LANE, SE6 4UP.
Timeline
Dates from the published record
-
24 Nov 2025
Validated
Checked as complete and ready for consideration.
-
25 Nov 2025
Received by Lewisham
-
9 Dec 2025
Decision issued: Refused
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Ashby Cox Design Agent, a design practice registered in Dartford
Active · incorporated 2023 · Dartford
16 applications on PlanIndex · across 4 councils · 87% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
11 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.
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Open the documentsWhat this refusal means
Lewisham refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
45 BLYTHE HILL LANE, LONDON, SE6 4UP
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class A of Schedule 2, Part 1]of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the replacement of glazed roof and rear door of existing infill single-storey rear extension at 45 BLYTHE HILL LANE, SE6 4UP.
Granted Lawful development Extension Windows or glazing 15 docsSmall domestic -
31 BLYTHE HILL LANE, LONDON, SE6 4UP
Prior Approval for the construction of a single-storey rear extension at 31 Blythe Hill Lane, SE6, which would extend 6m beyond the rear wall of the existing dwelling, have a maximum height of 4m and an eaves height of 2.3m.
Refused Prior approval Extension 10 docsSmall domestic -
43 BLYTHE HILL LANE, LONDON, SE6 4UP
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes A and E 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 flat roof rear extension, conversion of ground and first floor windows and doors, a single storey rear garden outbuilding, and all associated works to 45 Blythe Hill Lane, SE6.
Granted Lawful development Extension Windows or glazing 22 docsSmall domestic -
43 BLYTHE HILL LANE, LONDON, SE6 4UP
87% historically approved · decision due ~18 Nov
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the To...
Awaiting decision -
100 RAVENSBOURNE ROAD, LONDON, SE6 4UT
Lawful Development Certificate (Proposed) in respect of the construction of extensions to the rear roof slopes at 100 Ravensbourne Road, together with the installation of 2 rooflights to the front roof slope.
Granted Lawful development Extension Loft or dormer 6 docs -
100 RAVENSBOURNE ROAD, LONDON, SE6 4UT
The construction of a single storey infill extension to the rear of 100 Ravensbourne Road, SE6
Granted Householder Extension 5 docsSmall domestic
Other lawful development applications
In Lewisham
-
DC/26/145270 Awaiting decision
179 CRANSTON ROAD, LONDON, SE23 2EZ
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Class A of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for construction of single-storey rear extension and the demolition of the existing conservatory to 179 Cranston Road, SE23.
-
DC/26/145210 Awaiting decision
86 PERRY HILL, LONDON, SE6 4EY
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class B & C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a rear dormer extension and three front rooflights at 86 Perry Hill, SE6.
-
DC/26/145177 Awaiting decision
162 CHUDLEIGH ROAD, LONDON, SE4 1EE
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a hip-to-gable extension and rear dormer at 162 Chudleigh Road, SE4 1EE.
-
DC/26/145163 Awaiting decision
15 BRANGBOURNE ROAD, BROMLEY, BR1 4LL
Construction of a single-storey rear extension to extend the width of the existing rear extension, installation of a roof lantern, and replacement of the existing outbuilding with an amenity outbuilding at 15 Brangbourne Road, BR1
-
DC/26/145149 Awaiting decision
288 GROVE STREET, LONDON, SE8 3RF
Application for a Lawful Development Certificate (Existing) submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) to establish that the lawful use of 288 Grove Street, SE8, as a self-contained residential dwelling (Use Class C3).