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Effective Builders
Extensions

Extensions across North London & Hertfordshire.

Single and double-storey extensions designed to add space, light and long-term value to your home.

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What the work can include

Planned around your property.

We assess the existing space, discuss priorities and prepare a clear scope before work starts. The exact sequence, materials and programme are confirmed in the written quotation.

  • Groundworks and structure
  • Roofing and weatherproofing
  • Windows, doors and insulation
  • Interior completion
Tell Us About Your Project

Ready to transform your property?

Tell us what you are planning, where the property is and any timing requirements. The team will review the details and contact you directly.

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Project-specific enquiries Postcode and service-area check Direct follow-up from the team