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Construction Leads in Hertfordshire – Find Residential Projects Before Anyone Else

Get real builder leads in Hertfordshire from live planning applications. Whether you build extensions, install bifolds, or specialise in garden rooms – we help you find quality local jobs before quotes even go out.

We monitor thousands of planning applications across Hertfordshire to help you discover new residential construction work first.

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Latest Construction Leads in Hertfordshire

Description
Part two storey and part single storey rear extension with roof lights.
Project Type
Extension
Location
St Albans, AL1 1RU
AI Match Score
90%
Description
Roof detail changes for rear elevation with valley gutter and rooflights.
Project Type
Roof Extension
Extension
Location
St Albans, AL5 5QU
AI Match Score
90%
Description
Single-storey rear extension under prior approval.
Project Type
Extension
Location
Dacorum, HP1 2BX
AI Match Score
90%
Description
Dormer window addition and garage conversion.
Project Type
Extension
Garage Conversion
Location
St Albans, AL4 8QJ
AI Match Score
90%
Description
Demolition of garage and construction of front, side, and rear extensions with porch.
Project Type
Demolition
Extension
Porch
Location
St Albans, AL2 2HL
AI Match Score
90%
Description
Single-storey rear extension with specific dimensions.
Project Type
Extension
Location
Hertsmere, EN6 3DL
AI Match Score
90%
Description
Demolition of 4-bedroom house for a new 5-bedroom dwelling with attic, heat pump, and solar panels.
Project Type
Demolition
New Build
Renewable Energy
Location
St Albans, AL5 2RQ
AI Match Score
90%
Description
Construction of a two-storey side extension.
Project Type
Extension
Location
St Albans, AL4 9JJ
AI Match Score
90%
Description
Demolition of garage and conservatory, new extensions, and loft conversion.
Project Type
Extension
Loft Conversion
Porch
Location
Dacorum, HP4 3SJ
AI Match Score
90%
Description
Two-storey rear, side, and front extensions with a single-storey rear extension.
Project Type
Extension
Location
St Albans, AL5 2DP
AI Match Score
90%

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What Kind of Construction Jobs Come from Planning Applications?

BuildAlert scans planning applications that lead to real residential construction work across Hertfordshire. Here are some of the most common projects builders and tradespeople get through the platform:

Single & Double-Storey Extensions

Essential for open-plan living and growing families – high-value builder jobs.

Loft Conversions & Dormers

New bedrooms, offices or playrooms – often involving roofing and carpentry.

Outbuildings & Garden Rooms

Popular for home offices and annexes – ideal for bifold suppliers and electricians.

Garage Conversions

Turning garages into usable space – great for plasterers, carpenters and sparkies.

New Builds & Self-Builds

From foundations to finishing – great opportunities for full-service builders.

Annexes

Independent living spaces for relatives – often requiring full M&E and groundwork.

Listed Building Works

Specialist renovations with planning approval – great for heritage restoration pros.

Roof Replacements & Alterations

Re-roofs, dormers, and velux windows – perfect for roofing contractors.

Whether you install underfloor heating, supply bifold doors, or take on full extensions – BuildAlert helps you reach the homeowner before the competition.

How to Get Construction Leads in Hertfordshire

BuildAlert is designed for tradespeople looking to win more local residential work. Select your area and trade, and we’ll send you alerts for construction leads in Hertfordshire.

  • ✔️ Instant alerts from live planning applications
  • ✔️ Filter by postcode radius and job type
  • ✔️ Tools to send professional letters to homeowners
  • ✔️ No ongoing subscription – only pay when you want to contact a lead

Who Uses BuildAlert?

  • ✅ Builders – for extensions, conversions and general building work
  • ✅ Roofers – for lofts, dormers and full replacements
  • ✅ Underfloor Heating Engineers – for warm floors in new builds and kitchens
  • ✅ Carpenters – for roof structures, internal fit-outs and cladding
  • ✅ Electricians – for rewires and first fix jobs in extensions and garden rooms
  • ✅ Bifold & Window Suppliers – quote on large openings in rear extensions
  • ✅ Groundworkers – for foundations, drainage and site prep

Why Trades Across Hertfordshire Choose BuildAlert

  • Access Early-Stage Leads: Be first to contact the homeowner before quotes go out.
  • Localised Alerts: Choose the exact postcodes and project types you want to work on.
  • No Monthly Fees: Only pay when you want to contact a homeowner.
  • Letter Sending Tools: Post a personalised letter to the homeowner with a click.
  • Updated Daily: We scan every Hertfordshire planning portal daily for new applications.

How BuildAlert Works

  • 1. Sign Up & Set Your Preferences

    Create your free account and tell us your trade and where in Hertfordshire you work.

  • 2. Get Daily Planning Alerts

    We scan all Hertfordshire planning submissions and notify you of new jobs like extensions, conversions, or builds that need your trade.

  • 3. Reach Out with One Click

    Send a printed letter directly to the homeowner. Introduce your business and offer a quote – no knocking doors or cold calls.

Areas We Cover in Hertfordshire

BuildAlert tracks planning applications across all Hertfordshire councils and towns, including:

• Watford• St Albans• Hemel Hempstead• Stevenage• Hertford• Bishop’s Stortford• Hatfield• Welwyn Garden City• Cheshunt• Harpenden• Rickmansworth• Borehamwood• Hitchin• Letchworth Garden City

Frequently Asked Questions

  • How do I get planning leads in Hertfordshire?

    Just sign up, set your area and trade preferences, and you’ll start receiving alerts for new planning applications.

  • Do I have to pay a subscription?

    No – BuildAlert is pay-as-you-go. You only pay when you want to contact a homeowner.

  • Can I send letters directly?

    Yes – you can generate and send printed letters with just a few clicks, directly from your dashboard.

  • Is this just for builders?

    No – we support all trades involved in residential construction, including heating, glazing, roofing and more.

Ready to Get More Local Construction Work?

Sign up free and start getting construction leads from planning applications across Hertfordshire. Whether you’re building extensions or installing bifolds – BuildAlert helps you stay ahead.

Get Free Construction Leads Now

Work in Nearby Counties?

BuildAlert also tracks planning applications and builder leads in neighbouring areas. If you cover more than just Essex, check out nearby leads: