Updated 22 October 2026 · 68 new leads in the last 30 days
Construction Leads in St Albans
Access construction leads in St Albans by tracking newly submitted planning applications. See which homeowners and developers across the district are preparing extensions, loft conversions, and new builds, and get in touch before they begin shortlisting builders.
- New planning applications added frequently from St Albans City and District Council
- Connect with homeowners at the early planning stage
- No shared enquiries or competitive bidding
Data sourced from St Albans City and District Council planning records and refreshed regularly.
68
New Leads (30 Days)
£168,843
Average Project Value
31
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in St Albans
St Albans grew up around Roman Verulamium and its medieval abbey and cathedral, and the city's historic core sits within an extensive conservation area where alterations to older buildings often need planning permission rather than falling under permitted development. Harpenden, a few miles north, is one of Hertfordshire's most affluent commuter towns, with Georgian and Victorian housing supporting a steady flow of extensions and loft conversions. Much of the district sits within London's Metropolitan Green Belt, which restricts new-build development outside existing settlement boundaries and pushes a large share of construction activity toward extending and refurbishing existing homes rather than building new ones. London Colney and Wheathampstead, the district's other main settlements, keep a more suburban and village character respectively, generating a steady stream of standard householder projects.
Project Type Breakdown
Here's a breakdown of the most common types of construction projects in St Albans over the past 30 days.
In St Albans, Extensions are the most common project type, appearing in 57 of the 68 leads tracked in the last 30 days, with Loft Conversions also showing consistent demand alongside Garden Rooms. Projects can fall into more than one category, so these figures don't need to add up to the total.
Project Value Insights
Understanding typical project values in St Albans 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 especially common in Harpenden and the St Albans conservation area, where larger period properties and more extensive upgrades are the norm.
Recent Planning Applications in St Albans
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Single Storey Side Extension | St Albans | £50k–£100k | Demolition of existing side extension and construction of a new single storey side extension. | Approved |
| Rear Extension | St Albans | £50k–£100k | Hip to gable roof extension with new rear box dormer and skylights. | Approved |
| Single Storey Front Extension | St Albans | £25k–£50k | Single storey front porch extension. | Refused |
| Side Extension | St Albans | £50k–£100k | First floor side extension and alterations to roof including rooflight changes. | Approved |
| Single Storey Front Extension | St Albans | £50k–£100k | Rear single storey extension and front porch to dwelling. | Approved |
Single Storey Side Extension
St Albans
Demolition of existing side extension and construction of a new single storey side extension.
Rear Extension
St Albans
Hip to gable roof extension with new rear box dormer and skylights.
Single Storey Front Extension
St Albans
Single storey front porch extension.
Side Extension
St Albans
First floor side extension and alterations to roof including rooflight changes.
Single Storey Front Extension
St Albans
Rear single storey extension and front porch to dwelling.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | St Albans | £250k–£1m | Proposed single storey rear and two storey side extensions with loft conversion and roof remodelling. | Approved |
| Loft Conversion | St Albans | £50k–£100k | Alterations to existing loft conversion with rear dormer and front rooflights. | Refused |
| Loft Conversion | St Albans | £100k–£250k | Erection of a part single-storey, part two-storey wraparound extension, loft conversion with dormer, and front porch. | Approved |
| Loft Conversion | St Albans | £100k–£250k | Single storey rear extension with loft conversion and rear dormer. | Approved |
| Loft Conversion | St Albans | £100k–£250k | Demolition of outbuilding and side projection; construction of extensions with rooflights. | Refused |
Loft Conversion
St Albans
Proposed single storey rear and two storey side extensions with loft conversion and roof remodelling.
Loft Conversion
St Albans
Alterations to existing loft conversion with rear dormer and front rooflights.
Loft Conversion
St Albans
Erection of a part single-storey, part two-storey wraparound extension, loft conversion with dormer, and front porch.
Loft Conversion
St Albans
Single storey rear extension with loft conversion and rear dormer.
Loft Conversion
St Albans
Demolition of outbuilding and side projection; construction of extensions with rooflights.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| New Build | St Albans | £250k–£1m | Demolition of existing detached bungalow and erection of a new two-storey dwelling. | Approved |
| Garden Room | St Albans | £25k–£50k | Construction of a garden outbuilding. | Approved |
| New Build | St Albans | £250k–£1m | Demolition of existing house and construction of a new detached dwelling. | Refused |
| Porch | St Albans | Under £25k | Proposed front porch to the dwelling. | Approved |
| New Build | St Albans | £250k–£1m | Subdivision of plots and construction of two 3-bedroom detached dwellings with solar panels, plus changes to access and parking. | Pending |
New Build
St Albans
Demolition of existing detached bungalow and erection of a new two-storey dwelling.
Garden Room
St Albans
Construction of a garden outbuilding.
New Build
St Albans
Demolition of existing house and construction of a new detached dwelling.
Porch
St Albans
Proposed front porch to the dwelling.
New Build
St Albans
Subdivision of plots and construction of two 3-bedroom detached dwellings with solar panels, plus changes to access and parking.
Data sourced from St Albans City and District Council planning records and refreshed regularly.
Featured Projects
A snapshot of recent construction opportunities across the St Albans district.
Proposed single storey rear and two storey side extensions, loft conversion with rear dormer, front rooflights, change to render and timber cladding, demolition of existing conservatory and garage, remodelling of roof and increase in ridge height and fron
£250k–£1mSt Albans
Proposed single storey rear and two storey side extensions with loft conversion and roof remodelling.
Demolition of existing side extension and construction of a new single-storey side and rear extension
£50k–£100kSt Albans
Demolition of existing side extension and construction of a new single storey side extension.
Hip to gable roof extension with new rear box dormer that will abut with roof of existing extension. Two new front skylights with existing skylight removed.
£50k–£100kSt Albans
Hip to gable roof extension with new rear box dormer and skylights.
Single storey front porch extension
£25k–£50kSt Albans
Single storey front porch extension.
Examples of projects at an early stage before wider competition builds.
See All 68 Construction Leads in St Albans
Unlock full details and connect with homeowners while projects are still taking shape.
Get Access NowPlanning Application Status in St Albans
54%
Approved
38%
Pending
8%
Refused
Most planning applications in St Albans are approved, meaning a large proportion of these projects go ahead and become real building jobs. This creates strong opportunities for builders who contact homeowners early.
Reaching out while applications are still active helps you get ahead of the pack.
Based on planning applications submitted over the last 30 days.
Planning Approval Times in St Albans
Among applications tracked by BuildAlert in St Albans, the median time from submission to decision is 16 weeks. Smaller projects like extensions tend to be approved more quickly, while larger developments can take longer.
Based on approved applications with recorded decision dates over the last 3 months.
Domestic vs Commercial Projects in St Albans
In St Albans, 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 St Albans
St Albans and Harpenden's strong rail links into London support one of Hertfordshire's most affluent property markets, and that combination of wealth and Green Belt restriction pushes homeowners toward extending and upgrading rather than moving. Harpenden's period housing stock in particular commands higher-spec renovation budgets, while London Colney and Wheathampstead produce a steadier, more standard flow of extension and loft conversion work. The city centre's conservation area keeps a consistent stream of smaller heritage-sensitive projects moving through the planning system.
How to Win Jobs in St Albans
Contact Homeowners Early
Planning applications highlight upcoming work, giving you a chance to get in touch before builders are shortlisted.
Focus on Approved Applications
Approved applications can be particularly valuable because the project has cleared a major planning hurdle and may be moving closer to construction.
Target Higher-Value Projects
Filter by estimated project value to focus your outreach on jobs that match the size and type of work your business takes on.
How BuildAlert Works
Three simple steps to start winning more construction work in St Albans.
Track Planning Applications
We monitor St Albans City and District Council and surrounding authorities daily for new residential projects.
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Contact Homeowners
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Nearby Areas
Builders based in St Albans often take on work in nearby Hertfordshire areas such as Dacorum, Welwyn Hatfield, and Hertsmere, helping maintain a consistent flow of projects.
Frequently Asked Questions
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