Updated 13 July 2026 · 279 new leads in the last 30 days
Construction Leads in Hounslow
Get construction leads in Hounslow as they come through on the planning register. See which homeowners across the borough are getting ready to build and reach them before quotes start going out.
- Taken directly from Hounslow Council planning decisions
- Contact homeowners while the project is still being scoped
- No shared lead lists or bidding platforms
Data sourced from Hounslow Council planning records and kept up to date.
279
New Leads (30 Days)
£147,299
Average Project Value
74
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in Hounslow
Chiswick's Victorian terraces and riverside streets generate a heavy volume of side return extensions, loft conversions, and the occasional basement dig where land values justify it. Isleworth and Brentford, with their mix of Georgian townhouses and newer waterside flats, bring through a blend of period refurbishments and internal reconfigurations. Further west in Feltham, Heston, and Hounslow town, semis and interwar terraces produce more straightforward rear extensions and garage conversions.
Project Type Breakdown
Below is a breakdown of recent planning applications across Hounslow by project type, showing where construction activity is currently concentrated.
In Hounslow, Extensions account for the majority of planning applications (215 of 310 in the last 30 days), with Garden Rooms also showing consistent demand alongside Porches.
Project Value Insights
Grouping Hounslow applications by rough project value makes it easier to prioritise which ones to follow up on first.
- £25k – £50kGarage conversions, small rear extensions, and garden rooms
- £50k – £100kStandard loft conversions and single-storey rear extensions
- £100k – £250kDouble-storey extensions, wraparounds, and full refurbishments
- £250k+Basement digs, major structural work, and high-spec renovations
The largest budgets are concentrated around Chiswick, Strand-on-the-Green, and riverside Isleworth, where property values comfortably support bigger renovation projects.
Recent Planning Applications in Hounslow
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Single Storey Rear Extension | Greater London | £50k–£100k | Erection of a single storey rear and infill extension to the house. | Approved |
| Wrap-Around Extension | Greater London | £50k–£100k | Erection of a single storey rear and side infill extension to the house. | Approved |
| Single Storey Rear Extension | Greater London | £100k–£250k | Erection of a single-storey rear infill extension and rear roof extension. | Approved |
| Wrap-Around Extension | Greater London | £100k–£250k | Erection of a part two storey side and single storey rear extension with roof lanterns. | Approved |
| Rear Extension | Greater London | £100k–£250k | Rear infill extension and roof extension with front roof windows. | Approved |
Single Storey Rear Extension
Greater London
Erection of a single storey rear and infill extension to the house.
Wrap-Around Extension
Greater London
Erection of a single storey rear and side infill extension to the house.
Single Storey Rear Extension
Greater London
Erection of a single-storey rear infill extension and rear roof extension.
Wrap-Around Extension
Greater London
Erection of a part two storey side and single storey rear extension with roof lanterns.
Rear Extension
Greater London
Rear infill extension and roof extension with front roof windows.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | London | £50k–£100k | Erection of matching side and rear roof dormer extensions and front roof light. | Approved |
Loft Conversion
London
Erection of matching side and rear roof dormer extensions and front roof light.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Garden Room | Greater London | £25k–£50k | Retrospective application for a single-storey detached outbuilding as a home office in the rear garden. | Approved |
| Dropped Kerb | Greater London | £25k–£50k | Formation of vehicular access and erection of a front boundary wall. | Approved |
| New Build | Greater London | £250k–£1m | Details submitted for construction logistics plan for a two-storey replacement house. | Approved |
| New Build | Land south of Brentford High Street and Waterside High Street Brentford London TW8 8AE | Details submitted for a comprehensive mixed-use development including residential and retail units. | Approved | |
| Garden Room | Greater London | £25k–£50k | Certificate for proposed erection of a detached single storey outbuilding. | Approved |
Garden Room
Greater London
Retrospective application for a single-storey detached outbuilding as a home office in the rear garden.
Dropped Kerb
Greater London
Formation of vehicular access and erection of a front boundary wall.
New Build
Greater London
Details submitted for construction logistics plan for a two-storey replacement house.
New Build
Land south of Brentford High Street and Waterside High Street Brentford London TW8 8AE
Details submitted for a comprehensive mixed-use development including residential and retail units.
Garden Room
Greater London
Certificate for proposed erection of a detached single storey outbuilding.
Data sourced from Hounslow Council planning records and kept up to date.
Featured Projects
A look at construction opportunities currently working their way through the Hounslow planning system.
Erection of a single storey rear infill extension to the house.
£50k–£100kGreater London
Erection of a single storey rear and infill extension to the house.
Erection of a single storey rear and side infill extension to the house
£50k–£100kGreater London
Erection of a single storey rear and side infill extension to the house.
Erection of a single-storey rear infill extension, erection of a rear roof extension, installation of one front roof window.
£100k–£250kGreater London
Erection of a single-storey rear infill extension and rear roof extension.
Erection of a part two storey side, single storey rear extension with two roof lanterns and a part first floor rear extension to the house.
£100k–£250kGreater London
Erection of a part two storey side and single storey rear extension with roof lanterns.
Recently submitted Hounslow applications worth a follow-up call.
See All 279 Construction Leads in Hounslow
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Get Access NowPlanning Application Outcomes in Hounslow
39%
Approved
54%
Pending
7%
Rejected
In Hounslow, 39% of planning applications are approved, 54% are still pending, and 7% are rejected. Contacting homeowners early gives you the best chance of winning work.
Reaching out while applications are still active helps you get ahead of the pack.
Based on planning application outcomes over the last 3 months.
Planning Approval Times in Hounslow
In Hounslow, 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 Hounslow
In Hounslow, the vast majority (93%) 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 Hounslow
Chiswick sits among the priciest postcodes in west London, largely down to river frontage and school catchments, so extending rather than moving is common there even when the building work itself is expensive. Further out towards Heathrow, strong local employment keeps demand for family homes steady, and Piccadilly and District line links make Hounslow attractive to buyers who'd otherwise be priced out of neighbouring boroughs.
How to Win Jobs in Hounslow
Contact Homeowners Early
A new planning application is the clearest early sign a homeowner is ready to build - reaching out at that point beats waiting to be invited to quote.
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 converting Hounslow planning applications into real building work.
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We monitor Hounslow Council and surrounding authorities daily for new residential projects.
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Nearby Areas
Hounslow borders a few boroughs with a similar spread of housing, so builders here typically end up covering more than just one patch.
Frequently Asked Questions
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