Planning application
DC/26/144069
18 HORSMONDEN ROAD, LONDON, SE4 1RG
Proposal
Construction of a porch, new timber front door, single-storey rear extension and rear roof extension with new standing seam zinc roof covering to entire roof, installation of one front roof light and one front cabrio rooflight, replacement aluminium framed windows, external wall insulation with silicate render finish to the front and rear elevations at 18 Horsmonden Road, SE4.
As published by the council, reference DC/26/144069
Timeline
Dates from the published record
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19 May 2026
Received by Lewisham
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13 Jul 2026
Decision issued: Refused
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25 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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DC/26/143179 Granted
12 HORSMONDEN ROAD, LONDON, SE4 1RG
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 construction of a single-storey rear extension to 12 Horsmonden Road, SE4.
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DC/26/143190 Granted
18 CROFTON PARK ROAD, LONDON, SE4 1AE
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Classes 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 L-shaped rear dormer, removal of chimney and installation of three front rooflights at 18 Crofton Park Road, SE4.
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DC/21/121563 Granted
6 SALEHURST ROAD, LONDON, SE4 1AT
Certificate Of Lawful Development (Proposed) in respect of the construction of a roof extension and a rear dormer extension at 6 SALEHURST ROAD SE4, together with roof lights in the front slope.
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DC/26/143622 Granted
68 SEVENOAKS ROAD, LONDON, SE4 1RE
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) 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 hip-to-gable and rear dormer roof extensions and the installation of front rooflights at 68 Sevenoaks Road, SE4.
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DC/22/127323 Refused
14 MANWOOD ROAD, LONDON, SE4 1AD
Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B 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 dormer loft extension to the rear roof slope and an increase in height of existing chimneys at 14 Manwood Road, SE4.
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DC/20/116074 Granted
12 MANWOOD ROAD, LONDON, SE4 1AD
Prior approval for the construction of a single storey rear side infill extension at 12 Manwood Road SE4. The proposal would measure 3.7m beyond the rear wall of the property, with a maximum height of 4m and an eaves height of 3m.
Other householder applications
In Lewisham
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DC/26/144214 Refused
54A ALLERFORD ROAD, LONDON, SE6 3DF
Erection of a single-storey rear extension, roof extensions including side/rear dormer structures and rooflights, installation of a front entrance canopy, and associated internal and external alterations at 54A Allerford Road SE6.
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DC/26/143542 Granted
163 ALGERNON ROAD, LONDON, SE13 7AP
Refurbishment and extension of the dwellinghouse, including the construction of a lower ground floor rear extension with rear terrace above and front lightwell, alterations to the existing rear roof extension, replacement windows, doors and roof covering, installation of roof mounted solar panels, and an air source heat pump at 163 Algernon Road, SE13 and associated front garden alterations including boundary treatment and refuse storage.
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DC/26/144235 Granted
34 EWHURST ROAD, LONDON, SE4 1AQ
Construction of a single storey, ground floor rear and infill extension at 34 Ewhurst Road, SE4.
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DC/26/144148 Granted
79 WHITEFOOT LANE, BROMLEY, BR1 5SA
Covering up existing red brick with sand and cement render on the external facade at 79 Whitefoot Lane, BR1.
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DC/26/144186 Granted
18 MICHELDEVER ROAD, LONDON, SE12 8LX
Installation of replacement double glazed windows in the front elevation at 18 Micheldever Road SE12.