Updated 22 October 2026 · 83 new leads in the last 30 days
Construction Leads in Lewisham
Access construction leads in Lewisham from recently published planning applications across the borough. Find homeowners preparing building work and make contact while the project is still being planned.
- Built from Lewisham Council planning submissions
- Find projects while homeowners are still shaping the brief
- No bidding platforms or shared enquiry lists
Data sourced from Lewisham Council planning records and refreshed regularly.
83
New Leads (30 Days)
£114,458
Average Project Value
17
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in Lewisham
Lewisham has a dense mix of Victorian and Edwardian terraces, especially around Catford, Hither Green, Forest Hill, Lee, Brockley, and Ladywell. On tighter plots, planning applications often focus on rear additions, loft conversions, and internal layout changes that make older homes more practical. Further south towards Sydenham and Bell Green, the housing mix opens up slightly, with more inter-war semis and larger plots creating scope for side extensions, double-storey work, garage conversions, and wider refurbishments.
Project Type Breakdown
The figures below break down recent planning applications in Lewisham by project type, showing where domestic construction activity is currently focused across the borough.
In Lewisham, Extensions are the most common project type, appearing in 59 of the 83 leads tracked in the last 30 days, with Loft Conversions also showing consistent demand alongside Garden Rooms. Projects can fall into more than one category, so these figures don't need to add up to the total.
Most Active Architects and Planning Consultants in Lewisham
The architects and planning consultants submitting the most construction-related applications in Lewisham, based on recent planning records.
- 1Resi Design Ltd
- 2The Art of Building Ltd
- 3Knight Frank
- 4Wood Architecture & Design Ltd
- 5CANOPY PLANNING SERVICES LTD
- 6SELCOM BUILDING SERVICES LTD
- 7Tempo Architecture Limited
- 8Fast Plans
- 9A1 PLANNING PORTAL Ltd
- 10ARCCI DESIGNS
Project Value Insights
Construction budgets in Lewisham vary by property type, location, and project scope. These ranges help you focus on opportunities that fit your team, workload, and margins.
- £25k – £50kSmaller rear additions, garage conversions, and internal alterations
- £50k – £100kFull rear extensions, dormer or mansard loft conversions, and side returns
- £100k – £250kDouble-storey extensions, wraparounds, and substantial whole-house refurbishments
- £250k+High-spec refurbishments, major structural alterations, and infill new builds
Higher-value projects are more common in Brockley, Forest Hill, Hither Green, and Ladywell, where period homes and stronger renovation budgets can support larger schemes.
Recent Planning Applications in Lewisham
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Double Storey Extension | 19 PERRY HILL, LONDON, SE6 4LF | £100k–£250k | Construction of a single storey rear extension and conversion to provide two self-contained flats. | Approved |
| Rear Extension | Greater London | £50k–£100k | Construction of a roof extension in the rear roof slope with installation of rooflights. | Approved |
| Single Storey Rear Extension | Greater London | £50k–£100k | Prior approval for a single storey rear extension with specified dimensions. | Approved |
| Single Storey Extension | Greater London | £50k–£100k | Construction of a single storey infill extension and new external staircase for access. | Pending |
| Wrap-Around Extension | 27 GELLATLY ROAD, LONDON, SE14 5TU | £50k–£100k | Demolition of existing conservatory and construction of a single-storey wrap-around extension. | Approved |
Double Storey Extension
19 PERRY HILL, LONDON, SE6 4LF
Construction of a single storey rear extension and conversion to provide two self-contained flats.
Rear Extension
Greater London
Construction of a roof extension in the rear roof slope with installation of rooflights.
Single Storey Rear Extension
Greater London
Prior approval for a single storey rear extension with specified dimensions.
Single Storey Extension
Greater London
Construction of a single storey infill extension and new external staircase for access.
Wrap-Around Extension
27 GELLATLY ROAD, LONDON, SE14 5TU
Demolition of existing conservatory and construction of a single-storey wrap-around extension.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | Greater London | £100k–£250k | Construction of a roof extension to provide three self-contained flats, together with an associated extension and works. | Refused |
| Loft Conversion | 103 BROMLEY ROAD, LONDON, SE6 2UF | £50k–£100k | S.73 minor material amendment to approved plans to lower loft floor, provide larger rear dormers and make minor internal alterations. | Approved |
| Loft Conversion | FLAT 2, 18 SIDDONS ROAD, LONDON, SE23 2JQ | £50k–£100k | Construction of a rear roof dormer and loft extension, two front rooflights, first-floor side windows and associated internal alterations at Flat 2, 18 Siddons Road. | Approved |
| Loft Conversion | KINGSWOOD, 1 SYDENHAM PARK ROAD, LONDON, SE26 4DY | £50k–£100k | Front porch construction, side dormer and fenestration changes with associated works at Kingswood, 1 Sydenham Park Road. | Approved |
| Loft Conversion | 62 BELMONT HILL, LONDON, SE13 5DN | £50k–£100k | Single-storey rear and side extensions, rear dormer roof extension, three rooflights to side roof slopes and one to the rear, with alterations to rear PV panels. | Approved |
Loft Conversion
Greater London
Construction of a roof extension to provide three self-contained flats, together with an associated extension and works.
Loft Conversion
103 BROMLEY ROAD, LONDON, SE6 2UF
S.73 minor material amendment to approved plans to lower loft floor, provide larger rear dormers and make minor internal alterations.
Loft Conversion
FLAT 2, 18 SIDDONS ROAD, LONDON, SE23 2JQ
Construction of a rear roof dormer and loft extension, two front rooflights, first-floor side windows and associated internal alterations at Flat 2, 18 Siddons Road.
Loft Conversion
KINGSWOOD, 1 SYDENHAM PARK ROAD, LONDON, SE26 4DY
Front porch construction, side dormer and fenestration changes with associated works at Kingswood, 1 Sydenham Park Road.
Loft Conversion
62 BELMONT HILL, LONDON, SE13 5DN
Single-storey rear and side extensions, rear dormer roof extension, three rooflights to side roof slopes and one to the rear, with alterations to rear PV panels.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Dropped Kerb | 434 BARING ROAD, LONDON, SE12 0EF | Under £25k | Provision of a vehicular crossover and driveway in the front garden at 434 Baring Road. | Refused |
| Garden Room | LAND TO EAST SIDE OF CARRIAGE HOUSE, WICKHAM MEWS, LONDON, SE4 | £100k–£250k | Construction of a part single/part two-storey detached dwelling with air source pump, steel/timber pergola, rear garden store, car and cycle parking, refuse storage, boundary wall changes and landscaping. | Approved |
| Heritage | Greater London | Under £25k | Listed building consent for removal of a redundant non-operational dumbwaiter (food lift). | Approved |
| Heritage | Greater London | Under £25k | Like-for-like replacement of a single-glazed timber sash window and replacement of a rear four-panel timber door, with repair and retention of remaining existing windows on a listed building. | Approved |
| Garage Conversion | 15 GLENMERE ROW, LONDON, SE12 8RH | £25k–£50k | Convert existing garage to habitable accommodation with internal alterations and new rear bi-fold doors. | Approved |
Dropped Kerb
434 BARING ROAD, LONDON, SE12 0EF
Provision of a vehicular crossover and driveway in the front garden at 434 Baring Road.
Garden Room
LAND TO EAST SIDE OF CARRIAGE HOUSE, WICKHAM MEWS, LONDON, SE4
Construction of a part single/part two-storey detached dwelling with air source pump, steel/timber pergola, rear garden store, car and cycle parking, refuse storage, boundary wall changes and landscaping.
Heritage
Greater London
Listed building consent for removal of a redundant non-operational dumbwaiter (food lift).
Heritage
Greater London
Like-for-like replacement of a single-glazed timber sash window and replacement of a rear four-panel timber door, with repair and retention of remaining existing windows on a listed building.
Garage Conversion
15 GLENMERE ROW, LONDON, SE12 8RH
Convert existing garage to habitable accommodation with internal alterations and new rear bi-fold doors.
Data sourced from Lewisham Council planning records and refreshed regularly.
Featured Projects
A selection of recent planning applications from across Lewisham that local builders can follow up on.
The construction of a single storey rear extension, in connection with the alteration and conversion to provide two self-contained flats, provision of bike and bin stores and all associated works at 19 Perry Hill SE6.
£100k–£250k19 PERRY HILL, LONDON, SE6 4LF
Construction of a single storey rear extension and conversion to provide two self-contained flats.
Construction of a roof extension in the rear roof slope, together with the installation of 3 roof lights in the front roof slope and all associated works to Flat C, 48 Endwell Road SE4.
£50k–£100kGreater London
Construction of a roof extension in the rear roof slope with installation of rooflights.
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 6m, a maximum height of 2.9.m and an eaves height of 2.9m at 310 Downham Way BR1.
£50k–£100kGreater London
Prior approval for a single storey rear extension with specified dimensions.
The removal of the existing external rear staircase and the construction of a single storey infill extension to the shop, together with the provision of a new external staircase at the rear for access to the flats above at 125 Brockley Rise SE23.
£50k–£100kGreater London
Construction of a single storey infill extension and new external staircase for access.
Recent applications from across the borough that builders can follow up on.
See All 83 Construction Leads in Lewisham
View full Lewisham project details while homeowners are still shaping their plans.
Get Access NowPlanning Application Status in Lewisham
40%
Approved
49%
Pending
11%
Refused
In Lewisham, 40% of planning applications are approved, 49% are still pending, and 11% are refused. Pending applications can give builders an opportunity to make contact while projects are still at an early stage.
Getting in touch earlier puts you in a stronger position before others step in.
Based on planning applications submitted over the last 30 days.
Planning Approval Times in Lewisham
Among applications tracked by BuildAlert in Lewisham, the median time from submission to decision is 8 weeks. Smaller projects like extensions tend to be approved more quickly, while larger developments can take longer.
Based on approved applications with recorded decision dates over the last 3 months.
Domestic vs Commercial Projects in Lewisham
In Lewisham, the vast majority (90%) of planning applications are domestic projects such as extensions and loft conversions. Commercial developments make up a smaller portion but can offer higher-value opportunities for larger contractors.
Demand for Building Work in Lewisham
Lewisham appeals to buyers who want south-east London access without the higher prices of neighbouring inner boroughs. Many homes are older and need work beyond cosmetic updates, including roofing, insulation, electrics, kitchens, bathrooms, and layout improvements. The borough also has several conservation areas, so more projects need formal planning approval, which makes upcoming work easier for builders to spot through the public record.
How to Win Jobs in Lewisham
Contact Homeowners Early
Planning applications show who is preparing building work. Getting in touch at that stage helps you start the conversation before the project is widely quoted.
Focus on Approved Applications
Approved applications can be particularly valuable because the project has cleared a major planning hurdle and may be moving closer to construction.
Target Higher-Value Projects
Filter by estimated project value to focus your outreach on jobs that match the size and type of work your business takes on.
How BuildAlert Works
Three steps to start finding construction work in Lewisham through planning application data.
Track Planning Applications
We monitor Lewisham Council and surrounding authorities daily for new residential projects.
Filter by Location & Type
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Contact Homeowners
Get contact details and send letters or emails directly to homeowners before your competitors.
Nearby Areas
Builders working in Lewisham often cover neighbouring south-east London boroughs too. Greenwich, Southwark, Bromley, and Croydon all sit within reach and bring through a useful mix of residential building work.
Frequently Asked Questions
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