Updated 26 July 2026 · 267 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.
267
New Leads (30 Days)
£151,732
Average Project Value
77
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 (209 of 297 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 |
|---|---|---|---|---|
| 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 |
| Wrap-Around Extension | Greater London | £100k–£250k | Erection of a two storey side and part two storey with single storey rear extension, rear roof extension with a Juliet balcony, and a front porch. | Refused |
| Rear Extension | Greater London | £50k–£100k | Erection of a part first-floor rear extension to the house. | Approved |
| Single Storey Rear Extension | Greater London | £50k–£100k | Erection of a single storey rear extension to the house. | Approved |
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.
Wrap-Around Extension
Greater London
Erection of a two storey side and part two storey with single storey rear extension, rear roof extension with a Juliet balcony, and a front porch.
Rear Extension
Greater London
Erection of a part first-floor rear extension to the house.
Single Storey Rear Extension
Greater London
Erection of a single storey rear extension to the house.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Dropped Kerb | Greater London | £25k–£50k | Formation of vehicular access and erection of a front boundary wall. | Approved |
| Garden Room | 58 Hamilton Close, Feltham, TW13 4PT | £25k–£50k | Erection of an outbuilding in the rear garden for use as a home office and gym. | Approved |
| New Build | Land Rear of 26-48 And 34 Amhurst Gardens, Isleworth TW7 6AJ | £250k–£1m | Details of land contamination investigations for the erection of eight houses following demolition. | Approved |
| Garden Room | Greater London | £25k–£50k | Certificate of lawfulness for a proposed single storey outbuilding in the rear garden. | Approved |
| Garden Room | 61 The Drive, Feltham, TW14 0AQ | £25k–£50k | Certificate for proposed erection of a detached single storey outbuilding. | Approved |
Dropped Kerb
Greater London
Formation of vehicular access and erection of a front boundary wall.
Garden Room
58 Hamilton Close, Feltham, TW13 4PT
Erection of an outbuilding in the rear garden for use as a home office and gym.
New Build
Land Rear of 26-48 And 34 Amhurst Gardens, Isleworth TW7 6AJ
Details of land contamination investigations for the erection of eight houses following demolition.
Garden Room
Greater London
Certificate of lawfulness for a proposed single storey outbuilding in the rear garden.
Garden Room
61 The Drive, Feltham, TW14 0AQ
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 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.
Erection of a rear roof dormer extension and single storey rear infill extension, removal of two existing front and one existing rear roof lights (with matching re-tiling of their voids), installation of two replacement front roof lights and installation of replacement rear doors/ windows to and removal of the existing side parapet walls from the existing single storey rear extension to the house.
£100k–£250kGreater London
Rear infill extension and roof extension with front roof windows.
Erection of a two-storey side and part first, part single storey rear extension. Erection of a rear roof extension with hip to gable conversion and a Juliet balcony, four front roof windows, and a front porch to the house.
£100k–£250kGreater London
Erection of a two storey side and part two storey with single storey rear extension, rear roof extension with a Juliet balcony, and a front porch.
Erection of a part first-floor rear extension to the house.
£50k–£100kGreater London
Erection of a part first-floor rear extension to the house.
Recently submitted Hounslow applications worth a follow-up call.
See All 267 Construction Leads in Hounslow
View full Hounslow project details and reach out before the job is widely quoted.
Get Access NowPlanning Application Outcomes in Hounslow
32%
Approved
63%
Pending
5%
Rejected
In Hounslow, 32% of planning applications are approved, 63% are still pending, and 5% 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 (95%) 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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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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