Updated 20 September 2026 · 50 new leads in the last 30 days
Construction Leads in Lambeth
Track construction leads in Lambeth from planning applications as soon as the council logs them. See who is preparing to build across the borough and reach out before the job goes out to quote.
- Sourced directly from Lambeth Council planning decisions
- Contact homeowners before a shortlist is drawn up
- No enquiry pools shared with other trades
Data sourced from Lambeth Council planning records and updated on an ongoing basis.
50
New Leads (30 Days)
£200,250
Average Project Value
18
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in Lambeth
Rows of Victorian terraces across Clapham, Brixton, and Stockwell generate a steady flow of side return and rear extension applications, often paired with a loft conversion to add a third bedroom. Streatham and West Norwood, with their wider plots and larger Edwardian houses, tend to produce bigger single jobs - full refurbishments and double-storey rear additions rather than small add-ons. Around Vauxhall and the riverside, newer flat developments bring through a different type of work, mostly internal fit-outs and reconfigurations.
Project Type Breakdown
The breakdown below shows what kind of construction projects have recently been submitted across Lambeth, so you can see where the work is concentrated.
In Lambeth, Extensions account for the majority of planning applications (26 of 57 in the last 30 days), with Heritages also showing consistent demand alongside Garden Rooms.
Most Active Architects and Planning Consultants in Lambeth
The architects and planning consultants submitting the most construction-related applications in Lambeth, based on recent planning records.
- 1ATP Architects & Surveyors Limited
- 2Neilcott construction
- 3Formation design and build
- 4Dimensions- Planning&Architecture
- 5AK-Studios
- 6The Planning Lab
- 7Iceni Projects
- 8Owain Williams Architecture
- 9Firstplan
- 10Zac Monro Architects
Project Value Insights
Grouping Lambeth applications by likely budget makes it easier to decide which ones are worth chasing first.
- £25k – £50kInternal reconfigurations, small loft rooms, and garden studios
- £50k – £100kSide return extensions and standard loft conversions
- £100k – £250kDouble-storey rear extensions and full house refurbishments
- £250k+Basement digs, major structural work, and large-scale renovations
The larger budgets tend to cluster around Clapham Old Town, Streatham, and West Norwood, where bigger properties and stronger household spending support more ambitious projects.
Recent Planning Applications in Lambeth
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Extension | Greater London | £100k–£250k | Refurbishment and alterations to create a 12-room House in Multiple Occupation with associated works. | Approved |
| Extension | Lambeth College 45 Clapham Common South Side London SW4 9BL | £250k–£1m | Approval of details for air quality and dust management plan. | Approved |
| Extension | Lambeth College 45 Clapham Common South Side London SW4 9BL | £250k–£1m | Approval of details for construction environmental management plan. | Approved |
| Rear Extension | 102 Elms Crescent London SW4 8QT | £50k–£100k | Certificate of lawful development for a rear roof extension and installation of roof lights. | Approved |
| Extension | 87 South Lambeth Road London SW8 1RN | Under £25k | Approval of details for cycle storage pursuant to previous planning permission. | Approved |
Extension
Greater London
Refurbishment and alterations to create a 12-room House in Multiple Occupation with associated works.
Extension
Lambeth College 45 Clapham Common South Side London SW4 9BL
Approval of details for air quality and dust management plan.
Extension
Lambeth College 45 Clapham Common South Side London SW4 9BL
Approval of details for construction environmental management plan.
Rear Extension
102 Elms Crescent London SW4 8QT
Certificate of lawful development for a rear roof extension and installation of roof lights.
Extension
87 South Lambeth Road London SW8 1RN
Approval of details for cycle storage pursuant to previous planning permission.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | 1 Camden Hill Road London Lambeth SE19 1NX | £50k–£100k | Loft conversion with traditional mansard and dormer windows. | Approved |
| Loft Conversion | 27 Doverfield Road London SW2 5NE | £50k–£100k | Certificate of lawful development (proposed) for a rear roof dormer extension and two front rooflights. | Approved |
| Loft Conversion | 21 Tremadoc Road London SW4 7NF | £100k–£250k | Change of use from C3 dwelling to a 9-person HMO (sui generis) with single-storey rear extension, rear dormer(s), front rooflights and associated cycle/bin storage. | Pending |
| Loft Conversion | Greater London | £100k–£250k | Change of use from C3 dwelling to a 7-person Sui Generis HMO with a single-storey rear extension, rear dormer and three front rooflights. | Pending |
Loft Conversion
1 Camden Hill Road London Lambeth SE19 1NX
Loft conversion with traditional mansard and dormer windows.
Loft Conversion
27 Doverfield Road London SW2 5NE
Certificate of lawful development (proposed) for a rear roof dormer extension and two front rooflights.
Loft Conversion
21 Tremadoc Road London SW4 7NF
Change of use from C3 dwelling to a 9-person HMO (sui generis) with single-storey rear extension, rear dormer(s), front rooflights and associated cycle/bin storage.
Loft Conversion
Greater London
Change of use from C3 dwelling to a 7-person Sui Generis HMO with a single-storey rear extension, rear dormer and three front rooflights.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Garden Room | Greater London | £250k–£1m | Submission of details to discharge Schedule 9 of the Section 106 Agreement associated with the redevelopment of the site. | Approved |
| New Build | Greater London | £250k–£1m | Approval of details for energy strategy condition related to residential building construction. | Approved |
| Heritage | 20 Albert Square London Lambeth SW8 1BS | £100k–£250k | Internal and external alterations including repair and restoration works. | Approved |
| Heritage | 20 Albert Square London Lambeth SW8 1BS | £100k–£250k | Internal and external alterations including repair and restoration works for a listed building. | Approved |
| Garden Room | London | £25k–£50k | Excavation and installation of a new window in the existing rear outbuilding. | Approved |
Garden Room
Greater London
Submission of details to discharge Schedule 9 of the Section 106 Agreement associated with the redevelopment of the site.
New Build
Greater London
Approval of details for energy strategy condition related to residential building construction.
Heritage
20 Albert Square London Lambeth SW8 1BS
Internal and external alterations including repair and restoration works.
Heritage
20 Albert Square London Lambeth SW8 1BS
Internal and external alterations including repair and restoration works for a listed building.
Garden Room
London
Excavation and installation of a new window in the existing rear outbuilding.
Data sourced from Lambeth Council planning records and updated on an ongoing basis.
Featured Projects
A look at recent planning submissions from across Lambeth, spanning both domestic extensions and flat refurbishments.
Submission of details to discharge Schedule 9, Paragraph 1 (Public Space and Communal Amenity Phasing Plan) of the Section 106 Agreement dated 07.04.2025 associated with planning application ref: 22/00300/FUL (Redevelopment of the site, including demolition of all existing buildings and structures, comprising new homes across four new buildings and the provision of flexible Class E floorspace at ground level fronting Streatham Vale and Woodgate Drive. Provision of associated private and communal landscaped amenity areas, play space, disabled parking spaces, refuse storage and cycle parking (consolidated and decentralised) with ancillary workshop.) granted on 07.04.2025.
£250k–£1mGreater London
Submission of details to discharge Schedule 9 of the Section 106 Agreement associated with the redevelopment of the site.
Approval of details pursuant to condition 29 (energy strategy) of planning permission ref : 22/04396/FUL (Demolition of existing building and erection of a part 3, set-back 4-storey building to provide 25 residential dwellings, with associated works) granted on 10.06.2025.
£250k–£1mGreater London
Approval of details for energy strategy condition related to residential building construction.
Refurbishment works and alterations to the existing building to provide a 10 room-10 person House in Multiple Occupation (sui generis) involving erection of a replacement ground floor rear extension, erection of a new outbuilding on existing concrete plinth with a new access door from Saddlers Way, and provision of cycle parking, refuse storage, landscaping and other associated works.
£100k–£250kGreater London
Refurbishment and alterations to create a 12-room House in Multiple Occupation with associated works.
Internal and external alterations comprising repair, restoration, reconfiguration and partial demolition works including replacement of windows and doors and associated works (Please note: The reference number for this Listed Building Consent application is 26/01737/LB but there is also an associated application for Full Planning Permission related to these works with reference number: 26/01736/FUL)
£100k–£250k20 Albert Square London Lambeth SW8 1BS
Internal and external alterations including repair and restoration works.
Recently submitted Lambeth applications worth a follow-up call.
See All 50 Construction Leads in Lambeth
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Get Access NowPlanning Application Outcomes in Lambeth
52%
Approved
44%
Pending
4%
Rejected
Most planning applications in Lambeth are approved, meaning a large proportion of these projects go ahead and become real building jobs. This creates strong opportunities for builders who contact homeowners early.
Getting in touch earlier puts you in a stronger position before others step in.
Based on planning application outcomes over the last 3 months.
Planning Approval Times in Lambeth
In Lambeth, most planning applications are decided within 8 weeks. Smaller projects like extensions tend to be approved more quickly, while larger developments can take longer.
Domestic vs Commercial Projects in Lambeth
In Lambeth, 58% of planning applications are domestic and 42% are commercial. Both segments offer opportunities depending on the scale of work you take on.
Demand for Building Work in Lambeth
Lambeth has a large private rental sector, and landlords here often invest in a refurbishment or a layout change between tenancies to justify a higher rent, which keeps a separate stream of work running alongside owner-occupier projects. Combined with how costly it is to move even a short distance within the borough, that means building work stays fairly constant regardless of what the wider sales market is doing.
How to Win Jobs in Lambeth
Contact Homeowners Early
A new planning application is the earliest sign a homeowner or landlord is ready to build - reaching out at that stage puts you ahead of contractors waiting for a formal tender.
Focus on Approved Applications
Prioritise leads that have already received planning approval. These homeowners are ready to hire and start work.
Target Higher-Value Projects
Filter for projects over £50k. Fewer builders compete for larger jobs, giving you better margins and longer contracts.
How BuildAlert Works
How to start turning Lambeth planning applications into actual building work.
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We monitor Lambeth Council and surrounding authorities daily for new residential projects.
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Nearby Areas
Lambeth sits close to several other boroughs with comparable housing stock, so it is common for builders here to cover a wider patch rather than just one postcode.
Frequently Asked Questions
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