Updated 7 September 2026 · 67 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.
67
New Leads (30 Days)
£202,612
Average Project Value
27
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 (44 of 88 in the last 30 days), with Porches also showing consistent demand alongside Loft Conversions.
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
- 2polar design
- 3E F Planning
- 4DRA LUMSDEN LTD
- 5Proun Architects
- 6js designs (london) limited
- 7Bluelime
- 8RT Drafting Solutions Ltd
- 9CANOPY PLANNING SERVICES LTD
- 10ETC Architects
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 |
|---|---|---|---|---|
| Double Storey Extension | Dartford | £100k–£250k | Demolition of the existing garage and erection of a two storey side extension. | Approved |
| Double Storey Extension | 9 Heath Lane Dartford Kent DA1 2QE | £100k–£250k | Erection of a two-storey side extension. | Approved |
| Wrap-Around Extension | Arendal Park Corner Road Southfleet Kent DA13 9LW | £100k–£250k | Erection of a two storey side and rear extension. | Refused |
| Single Storey Rear Extension | 3 Fairlight Cross Longfield Kent DA3 7JD | £50k–£100k | Demolition of existing garage and erection of detached garage and single storey 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 |
Double Storey Extension
Dartford
Demolition of the existing garage and erection of a two storey side extension.
Double Storey Extension
9 Heath Lane Dartford Kent DA1 2QE
Erection of a two-storey side extension.
Wrap-Around Extension
Arendal Park Corner Road Southfleet Kent DA13 9LW
Erection of a two storey side and rear extension.
Single Storey Rear Extension
3 Fairlight Cross Longfield Kent DA3 7JD
Demolition of existing garage and erection of detached garage and single storey 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.
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 | 202 Lowfield Street Dartford Kent DA1 1JF | £100k–£250k | Application for a Lawful Development Certificate for proposed loft conversion and outbuilding. | Refused |
| Loft Conversion | 45 High Street Dartford Kent DA1 1DJ | £250k–£1m | Listed building consent for change of use, roof demolition and new roof extension with dormers, internal/external alterations and roof terrace to create 8 residential apartments above Class E commercial at ground floor. | Pending |
| Loft Conversion | 59 The Brent Dartford Kent DA1 1YD | £50k–£100k | Lawful development certificate for a loft conversion with a rear dormer, front roof windows and chimney removal. | Pending |
| Loft Conversion | 11 Rectory Road Swanscombe Kent DA10 0JT | £50k–£100k | Loft conversion with rear dormer and front rooflights together with a single-storey rear extension. | Pending |
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
202 Lowfield Street Dartford Kent DA1 1JF
Application for a Lawful Development Certificate for proposed loft conversion and outbuilding.
Loft Conversion
45 High Street Dartford Kent DA1 1DJ
Listed building consent for change of use, roof demolition and new roof extension with dormers, internal/external alterations and roof terrace to create 8 residential apartments above Class E commercial at ground floor.
Loft Conversion
59 The Brent Dartford Kent DA1 1YD
Lawful development certificate for a loft conversion with a rear dormer, front roof windows and chimney removal.
Loft Conversion
11 Rectory Road Swanscombe Kent DA10 0JT
Loft conversion with rear dormer and front rooflights together with a single-storey rear extension.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Garden Room | Bean Cottage Shellbank Lane Bean Kent DA2 8AX | £250k–£1m | Submission of details for ecological enhancement management plan related to replacement dwelling. | Approved |
| New Build | The Hermitage Green Street Green Road Darenth Kent DA2 8DX | £100k–£250k | Submission of details relating to gas impermeable membrane and external materials for a new dwelling. | Refused |
| New Build | 118B Park Road Dartford Kent DA1 1SZ | £100k–£250k | Submission of waste and refuse details for a new dwelling. | Refused |
| Garden Room | 118B Park Road Dartford Kent DA1 1SZ | £25k–£50k | Erection of an outbuilding (Retrospective). | Approved |
| 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 |
Garden Room
Bean Cottage Shellbank Lane Bean Kent DA2 8AX
Submission of details for ecological enhancement management plan related to replacement dwelling.
New Build
The Hermitage Green Street Green Road Darenth Kent DA2 8DX
Submission of details relating to gas impermeable membrane and external materials for a new dwelling.
New Build
118B Park Road Dartford Kent DA1 1SZ
Submission of waste and refuse details for a new dwelling.
Garden Room
118B Park Road Dartford Kent DA1 1SZ
Erection of an outbuilding (Retrospective).
Garden Room
58 Gore Road Darenth Kent DA2 6LT
Demolition of existing garage and shed, and erection of a detached rear outbuilding.
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 the existing garage and erection of a two storey side and single storey front extension
£100k–£250kDartford
Demolition of the existing garage and erection of a two storey side extension.
Submission of details relating to Ecological Enhancement Management Plan pursuant to Condition 13 of planning permission DA/23/01286/FUL (granted on appeal) for the demolition of the existing detached dwelling and outbuildings and the erection of a replacement dwelling and associated works
£250k–£1mBean Cottage Shellbank Lane Bean Kent DA2 8AX
Submission of details for ecological enhancement management plan related to replacement dwelling.
Submission of details relating to Gas Impermeable Membrane pursuant to Condition 3, and external materials pursuant to Condition 4 of planning permission DA/25/00840/FUL for the demolition of existing dwelling and the erection of a new dwelling
£100k–£250kThe Hermitage Green Street Green Road Darenth Kent DA2 8DX
Submission of details relating to gas impermeable membrane and external materials for a new dwelling.
Submission of details relating to waste and refuse pursuant to Condition 6 of planning permission DA/25/00051/FUL for the erection of a new dwelling including bin and cycle storage with associated parking
£100k–£250k118B Park Road Dartford Kent DA1 1SZ
Submission of waste and refuse details for a new dwelling.
Examples of projects at an early stage before wider competition builds.
See All 67 Construction Leads in Dartford
Unlock full details and connect with homeowners while projects are still taking shape.
Get Access NowPlanning Application Outcomes in Dartford
32%
Approved
56%
Pending
12%
Rejected
In Dartford, 32% of planning applications are approved, 56% 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 (84%) 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.
Filter by Location & Type
Set your preferred areas, project types, and value range. See only relevant leads.
Contact Homeowners
Get contact details and send letters or emails directly to homeowners before your competitors.
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
Start Getting Construction Leads in Dartford Today
Start accessing planning-based construction leads without relying on shared lead platforms.