Updated 17 September 2026 · 77 new leads in the last 30 days
Construction Leads in Dartford
Access construction leads in Dartford by tracking newly submitted planning applications. See which homeowners and developers across the borough are preparing extensions, loft conversions, and new builds, and get in touch before they begin shortlisting builders.
- New planning applications added frequently from Dartford Borough Council
- Connect with homeowners at the early planning stage
- No shared enquiries or competitive bidding
Data sourced from Dartford Borough Council planning records and refreshed regularly.
77
New Leads (30 Days)
£168,669
Average Project Value
22
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in Dartford
Dartford's position at the London end of Kent, next to the Dartford Crossing, sits alongside one of the largest strategic housing developments in the South East: Ebbsfleet Garden City, centred on Ebbsfleet International station and stretching across the Dartford and Gravesham boundary. Since 2015, Ebbsfleet Development Corporation has been the planning authority for the garden city's core area, separate from Dartford Borough Council, so BuildAlert's Dartford coverage — drawn from the borough's own planning register — mainly reflects the surrounding neighbourhoods and sites outside that boundary rather than the garden city's own reserved-matters applications. Swanscombe and Greenhithe, along the Thames, have seen major waterside regeneration around the old cement and paper works sites, with new residential schemes replacing former industrial land. Stone and Wilmington, on the borough's southern edge, keep more of a village character with older housing stock, generating a steadier flow of extensions and loft conversions. Dartford town centre itself has a conservation area around its historic High Street and parish church, where alterations to older buildings often need planning permission rather than falling under permitted development.
Project Type Breakdown
Here's a breakdown of the most common types of construction projects in Dartford over the past 30 days.
In Dartford, Extensions account for the majority of planning applications (59 of 99 in the last 30 days), with Loft Conversions also showing consistent demand alongside Garden Rooms.
Most Active Architects and Planning Consultants in Dartford
The architects and planning consultants submitting the most construction-related applications in Dartford, based on recent planning records.
- 1Plan It UK
- 2Bluelime
- 3polar design
- 4E F Planning
- 5RT Drafting Solutions Ltd
- 6Proun Architects
- 7js designs (london) limited
- 8DRA LUMSDEN LTD
- 9Point of View Architecture Ltd
- 10SA Design Services Ltd
Project Value Insights
Understanding typical project values in Dartford helps you prioritise the most profitable leads and manage your workload effectively. These ranges are a general guide to the scale of work involved — individual project costs vary by design, specification, and site conditions.
- £25k – £50kSmall extensions, porches, and internal alterations
- £50k – £100kRear extensions and loft conversions
- £100k – £250kLarge extensions and full property refurbishments
- £250k+New builds and high-end residential projects
Higher-value projects are often found around Stone, Wilmington, and the newer waterside developments near Greenhithe, where larger properties and new-build plots are common.
Recent Planning Applications in Dartford
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Wrap-Around Extension | Joyden Park Way Bexley Kent DA5 2JD | £100k–£250k | Demolition of conservatory and garage, with part single/part two storey side and rear extension. | Approved |
| Wrap-Around Extension | 84 Ellingham View Dartford Kent DA1 5SZ | £100k–£250k | Erection of a part single storey, part two storey side & rear extension with associated alterations. | Approved |
| Single Storey Rear Extension | Tulip Cottage 22 Poplars Close Longfield Kent DA3 7LP | £50k–£100k | Erection of a single storey rear extension and alterations to fenestration. | Approved |
| Single Storey Rear Extension | 14 Heathview Crescent Dartford Kent DA1 2PJ | £50k–£100k | Erection of a single storey rear extension. | Refused |
| Wrap-Around Extension | 123 The Brent Dartford Kent DA1 1YH | £50k–£100k | Erection of a single storey rear/side extension. | Refused |
Wrap-Around Extension
Joyden Park Way Bexley Kent DA5 2JD
Demolition of conservatory and garage, with part single/part two storey side and rear extension.
Wrap-Around Extension
84 Ellingham View Dartford Kent DA1 5SZ
Erection of a part single storey, part two storey side & rear extension with associated alterations.
Single Storey Rear Extension
Tulip Cottage 22 Poplars Close Longfield Kent DA3 7LP
Erection of a single storey rear extension and alterations to fenestration.
Single Storey Rear Extension
14 Heathview Crescent Dartford Kent DA1 2PJ
Erection of a single storey rear extension.
Wrap-Around Extension
123 The Brent Dartford Kent DA1 1YH
Erection of a single storey rear/side extension.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | 24 Dunkin Road Dartford Kent DA1 5NJ | £100k–£250k | Demolition of existing conservatory and erection of a single storey rear extension with loft conversion and dormer. | Approved |
| Loft Conversion | 78 Joydens Wood Road Bexley Kent DA5 2JA | £50k–£100k | Application for a Lawful Development Certificate for proposed loft conversion with rear dormer extension. | Approved |
| Loft Conversion | 9 Heath Lane Dartford Kent DA1 2QE | £50k–£100k | Cross boundary outline application for demolition of existing bungalow and erection of 5 dwellings. | Approved |
| Loft Conversion | 24 Wilmot Road Dartford Kent DA1 3BA | £50k–£100k | Application for a Lawful Development Certificate for proposed loft conversion with rear dormer and rooflights. | Approved |
| Loft Conversion | 5 Western Cross Close Greenhithe Kent DA9 9LT | £50k–£100k | Loft conversion with rear dormer roof extension and roof window. | Approved |
Loft Conversion
24 Dunkin Road Dartford Kent DA1 5NJ
Demolition of existing conservatory and erection of a single storey rear extension with loft conversion and dormer.
Loft Conversion
78 Joydens Wood Road Bexley Kent DA5 2JA
Application for a Lawful Development Certificate for proposed loft conversion with rear dormer extension.
Loft Conversion
9 Heath Lane Dartford Kent DA1 2QE
Cross boundary outline application for demolition of existing bungalow and erection of 5 dwellings.
Loft Conversion
24 Wilmot Road Dartford Kent DA1 3BA
Application for a Lawful Development Certificate for proposed loft conversion with rear dormer and rooflights.
Loft Conversion
5 Western Cross Close Greenhithe Kent DA9 9LT
Loft conversion with rear dormer roof extension and roof window.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Garden Room | 58 Gore Road Darenth Kent DA2 6LT | £25k–£50k | Demolition of existing garage and shed, and erection of a detached rear outbuilding. | Approved |
| Porch | Dartford | £25k–£50k | Erection of a single storey rear conservatory and a front porch. | Approved |
| Garage Conversion | 10 Atlantic Close Swanscombe Kent DA10 0LJ | £25k–£50k | Conversion of existing garage to form a habitable room. | Approved |
| Porch | 2 Darenth Park Avenue Darenth Kent DA2 6JN | £25k–£50k | Erection of a single storey front porch. | Approved |
| Garage Conversion | 14 Morgan Drive Horns Cross Greenhithe Kent DA9 9DT | £25k–£50k | Conversion of garage into a habitable room with alterations. | Approved |
Garden Room
58 Gore Road Darenth Kent DA2 6LT
Demolition of existing garage and shed, and erection of a detached rear outbuilding.
Porch
Dartford
Erection of a single storey rear conservatory and a front porch.
Garage Conversion
10 Atlantic Close Swanscombe Kent DA10 0LJ
Conversion of existing garage to form a habitable room.
Porch
2 Darenth Park Avenue Darenth Kent DA2 6JN
Erection of a single storey front porch.
Garage Conversion
14 Morgan Drive Horns Cross Greenhithe Kent DA9 9DT
Conversion of garage into a habitable room with alterations.
Data sourced from Dartford Borough Council planning records and refreshed regularly.
Featured Projects
A snapshot of recent construction opportunities across the Dartford area.
Demolition of existing conservatory and garage, and erection of a part single/part two storey side and rear extension
£100k–£250kJoyden Park Way Bexley Kent DA5 2JD
Demolition of conservatory and garage, with part single/part two storey side and rear extension.
Erection of a part single storey, part two storey side & rear extension and associated alterations
£100k–£250k84 Ellingham View Dartford Kent DA1 5SZ
Erection of a part single storey, part two storey side & rear extension with associated alterations.
Demolition of the existing detached garage and shed and erection of a detached rear outbuilding
£25k–£50k58 Gore Road Darenth Kent DA2 6LT
Demolition of existing garage and shed, and erection of a detached rear outbuilding.
Erection of a single storey rear extension and alterations to fenestration
£50k–£100kTulip Cottage 22 Poplars Close Longfield Kent DA3 7LP
Erection of a single storey rear extension and alterations to fenestration.
Examples of projects at an early stage before wider competition builds.
See All 77 Construction Leads in Dartford
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Get Access NowPlanning Application Outcomes in Dartford
37%
Approved
51%
Pending
12%
Rejected
In Dartford, 37% of planning applications are approved, 51% are still pending, and 12% are rejected. Contacting homeowners early gives you the best chance of winning work.
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 Dartford
In Dartford, 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 Dartford
In Dartford, the vast majority (86%) 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 Dartford
Dartford's location — bordering south-east London and sitting on the M25, A2, and the Dartford Crossing — has driven sustained housebuilder interest across the wider Ebbsfleet area, even though the garden city's core development is planned through Ebbsfleet Development Corporation rather than the borough council. Within Dartford's own planning remit, Stone, Wilmington, and the older parts of Dartford town continue to generate consistent extension and refurbishment work, often at a solid mid-market spec reflecting the borough's mix of commuter families and established households, alongside smaller-scale new-build and infill sites on the fringes of the wider growth area.
How to Win Jobs in Dartford
Contact Homeowners Early
Planning applications highlight upcoming work, giving you a chance to get in touch before builders are shortlisted.
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
Three simple steps to start winning more construction work in Dartford.
Track Planning Applications
We monitor Dartford Borough Council and surrounding authorities daily for new residential projects.
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Contact Homeowners
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Nearby Areas
Builders based in Dartford often take on work in nearby areas such as Gravesham, Sevenoaks, and Bexley in south-east London, helping maintain a consistent flow of projects.
Frequently Asked Questions
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