Updated 17 September 2026 · 58 new leads in the last 30 days

Construction Leads in Spelthorne

Access construction leads in Spelthorne by tracking newly submitted planning applications. See which homeowners across Staines-upon-Thames, Ashford, Sunbury and Shepperton are preparing extensions, loft conversions, and new builds, and get in touch before they begin shortlisting builders.

  • New planning applications added frequently from Spelthorne Borough Council
  • Connect with homeowners at the early planning stage
  • No shared enquiries or competitive bidding
Get Local Construction LeadsHow It Works

Data sourced from Spelthorne Borough Council planning records and refreshed regularly.

58

New Leads (30 Days)

£129,526

Average Project Value

18

High Value Projects

Over £100k

Extensions

Most Common Project

Construction Trends in Spelthorne

Spelthorne is Surrey's northernmost borough, wrapped by bends of the Thames and sitting close to Heathrow Airport, which gives it a housing character that feels closer to outer London than the rest of the county. Staines-upon-Thames has seen substantial town centre redevelopment in recent years, and that continues into the surrounding residential streets with a steady flow of rear extensions and loft conversions on its mostly Victorian and inter-war housing. Sunbury and Shepperton, both directly on the river, have a mix of riverside properties and more typical suburban housing, generating everything from boathouses and garden rooms on waterside plots to standard family extensions further back from the river. Ashford, in the borough's centre, has a denser, more uniform housing stock and produces a high volume of smaller, straightforward extension and conversion projects. Shepperton Studios itself, one of the UK's longest-running film production sites, continues to see its own commercial redevelopment and expansion work, a separate but steady source of larger-scale construction activity alongside the borough's residential projects.

Project Type Breakdown

Here's a breakdown of the most common types of construction projects in Spelthorne over the past 30 days.

Extension
46
Loft Conversion
9
Porch
6
Garage Conversion
5
Garden Room
4
New Build
3
Heritage
3
Dropped Kerb
1

In Spelthorne, Extensions account for the majority of planning applications (46 of 77 in the last 30 days), with Loft Conversions also showing consistent demand alongside Porches.

Most Active Architects and Planning Consultants in Spelthorne

The architects and planning consultants submitting the most construction-related applications in Spelthorne, based on recent planning records.

  1. 1ajt design services ltd
  2. 2Fluent ADS Ltd
  3. 3Adept Architectural Designs
  4. 4M C S Design Architectural Services
  5. 5AsB Architecture Ltd
  6. 6HCUK Group
  7. 7Re-Draw
  8. 8Extension Architecture
  9. 9Freedom Homes Architects
  10. 10STUDIO CAD PROJECTS LTD

Project Value Insights

Understanding typical project values in Spelthorne 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 riverside residential projects

Higher-value projects are often found along the riverside stretches of Sunbury and Shepperton, where premium plots and waterside frontage push up specifications.

Recent Planning Applications in Spelthorne

Extensions

Wrap-Around Extension

175 The Avenue Sunbury-on-Thames TW16 5EH

£100k–£250kApproved

Erection of a part single part two storey rear extension and two storey side extension with roof extension.

Single Storey Rear Extension

59A Wolsey Road Ashford TW15 2RA

£50k–£100kApproved

Single-storey rear extension with roof lantern and internal alterations.

Wrap-Around Extension

127 Ashgrove Road Ashford TW15 1NY

£50k–£100kApproved

Erection of a single storey front, side and rear extension.

Single Storey Rear Extension

1 Griffin Way Sunbury-on-Thames TW16 6JD

£50k–£100kApproved

Erection of a single storey infill rear extension.

Single Storey Side Extension

33 Laleham Road Shepperton TW17 8EQ

£100k–£250kApproved

Roof extension with hipped to gable alterations, side dormer, and single storey side extension.

Loft Conversions

Loft Conversion

3 Old Forge Crescent Shepperton TW17 9BT

£50k–£100kApproved

Certificate of Lawfulness for proposed side dormer and 4 roof lights.

Loft Conversion

43 Scotts Avenue Sunbury-on-Thames TW16 7HY

£100k–£250kApproved

Erection of a single storey rear extension and side extension, with loft conversion and rooflights.

Loft Conversion

2 Brook Close Stanwell Staines-upon-Thames TW19 7AW

£50k–£100kApproved

Certificate of lawfulness for proposed hip-to-gable roof and rear dormer extension.

Loft Conversion

Lauraleen Halliford Road Sunbury-on-Thames TW16 6DG

£100k–£250kRefused

Householder proposal: single-storey rear extension, front porch, loft conversion with hip-to-gable and rear dormer, roof extension over garage, part garage conversion, rooflights and rear outbuilding.

Loft Conversion

Borough of Spelthorne

£100k–£250kPending

Certificate of lawfulness for loft works (hip-to-gable, rear dormer, three front rooflights) and proposed single-storey rear extension.

Other Projects

New Build

Clonskeagh Russell Road Shepperton TW17 9HS

£50k–£100kApproved

Consent for erection of a timber-framed orangery at a Grade II listed dwelling.

Heritage

Clonskeagh Russell Road Shepperton TW17 9HS

£50k–£100kApproved

Erection of a timber-framed orangery at the rear of a Grade II listed dwellinghouse.

Heritage

The Croft 281 Hithermoor Road Stanwell Moor Staines-upon-Thames TW19 6AZ

£25k–£50kApproved

Consent for minor internal and external alterations to a listed dwelling.

New Build

Curchods 58 High Street Shepperton TW17 9AU

£250k–£1mPending

Erect a building to provide 2 studio flats and 2 one-bedroom flats on land to the rear of the site.

Garage Conversion

44 Roper Crescent Sunbury-on-Thames TW16 5BA

Under £25kPending

Garage conversion and installation of access gate within garden wall.

Data sourced from Spelthorne Borough Council planning records and refreshed regularly.

Featured Projects

A snapshot of recent construction opportunities across the Spelthorne area.

Erection of a part single part two storey rear extension, with a two storey side extension, roof extension with 2 no. rear pitched roof elements with 2 no. rear facing Juliet balconies and rear roof dormer and new front porch. Removal of the rear garden swimming pool outhouse.

£100k–£250k

175 The Avenue Sunbury-on-Thames TW16 5EH

Erection of a part single part two storey rear extension and two storey side extension with roof extension.

Erection of a single-storey rear extension with roof lantern, replacement rear glazing and doors, and associated internal alterations.

£50k–£100k

59A Wolsey Road Ashford TW15 2RA

Single-storey rear extension with roof lantern and internal alterations.

Erection of a single storey front, side and rear extension. Proposed changes to finish materials.

£50k–£100k

127 Ashgrove Road Ashford TW15 1NY

Erection of a single storey front, side and rear extension.

Erection of a single storey infill rear extension.

£50k–£100k

1 Griffin Way Sunbury-on-Thames TW16 6JD

Erection of a single storey infill rear extension.

Examples of projects at an early stage before wider competition builds.

See All 58 Construction Leads in Spelthorne

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Planning Application Outcomes in Spelthorne

38%

Approved

53%

Pending

9%

Rejected

In Spelthorne, 38% of planning applications are approved, 53% are still pending, and 9% 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 Spelthorne

Average approval time8 weeks
Typical residential projects8 weeks
New builds8 weeks

In Spelthorne, 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 Spelthorne

Domestic86%
Commercial14%

In Spelthorne, 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 Spelthorne

Spelthorne's proximity to Heathrow and its fast road and rail links into London keep the borough attractive to commuters, which supports steady demand for family housing and, in turn, consistent extension and renovation activity. Staines-upon-Thames' ongoing regeneration continues to bring new-build and mixed-use development into the pipeline alongside the borough's usual flow of householder extension work. Sunbury and Shepperton's riverside properties tend to see higher-spec renovation and extension projects, reflecting larger plots and premium river frontage, while Ashford and the more standard suburban streets generate a higher volume of typical family-home projects - kitchen extensions, loft conversions, and garden buildings.

How to Win Jobs in Spelthorne

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 Spelthorne.

Track Planning Applications

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Contact Homeowners

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Nearby Areas

Builders based in Spelthorne often take on work in nearby areas such as Runnymede and Elmbridge, helping maintain a consistent flow of projects.

Frequently Asked Questions

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