
House Extensions
Single-storey, double-storey, side-return and wrap-around extensions designed to maximise your home's footprint and value.
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Direct Line Builders (directlinebuilders.co.uk) has been at the forefront of the construction industry across Essex and Greater London for over 15 remarkable years. Founded on the principles of integrity, craftsmanship and customer-first service, we have grown from a small local team into a fully comprehensive civil works firm trusted by hundreds of homeowners, landlords and developers.
Our portfolio spans every aspect of residential construction — from ambitious house extensions that add valuable square footage, to beautifully crafted loft conversions, full-scale renovations, complete new builds, and decorative concrete imprint driveways that dramatically enhance kerb appeal.
Based at 125 Lambs Lane South, Rainham, Essex RM13 9XJ, we serve clients across Rainham, Romford, Barking, Dagenham, Ilford, Brentwood and throughout East London. Contact us today to discover how we can transform your property.
Comprehensive civil works solutions delivered to the highest standard across Essex and London.

Single-storey, double-storey, side-return and wrap-around extensions designed to maximise your home's footprint and value.
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Dormer, hip-to-gable and Velux loft conversions that unlock the full potential of your attic space, adding rooms and value.
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Full interior and exterior renovation — from kitchens and bathrooms to structural refurbishments and full-property transformations.
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New residential builds from groundworks to roofing — tailored designs, full project management and quality finishes throughout.
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Pattern-imprinted concrete driveways and garden areas — durable, low-maintenance and available in a huge variety of styles and colours.
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Fifteen years of evidence that quality construction and exceptional service go hand in hand.
Comprehensive public liability and professional indemnity insurance, with full UK building regulations compliance on every project.
Dedicated site managers oversee each project daily to ensure schedules are met without compromising quality.
Detailed, itemised quotations with no hidden costs. We agree a fixed price before works begin so you can budget with complete confidence.
Over 500 completed residential projects and a portfolio that spans every discipline of civil works across Essex.
A dedicated team of architects, structural engineers, electricians, plumbers and finishing tradespeople — all vetted and experienced.
From first consultation to final handover, our team is reachable by phone, email and WhatsApp — keeping you informed every step.
We assist with planning permission applications, architectural drawings and building regulations submissions — all taken care of for you.
We do not consider a job complete until you are fully satisfied with every detail. All workmanship is backed by our quality guarantee.
Real feedback from homeowners across Essex who trusted Direct Line Builders with their property.
Direct Line Builders transformed our dated Victorian terrace with a stunning rear extension. The whole process was smooth, and the finish quality exceeded our expectations. Highly professional team.
Our loft conversion is absolutely stunning. From planning drawings to final snagging, Direct Line Builders managed everything seamlessly. We now have a beautiful master suite with an en suite bathroom.
The team delivered a complete kitchen and bathroom renovation on time and on budget. Immaculate attention to detail — the tiling and plastering is flawless. We would not hesitate to recommend them.
Our pattern-imprinted driveway looks absolutely incredible. The team helped us choose the perfect design and colour, and finished the work ahead of schedule. Neighbours keep asking who did it!
Direct Line Builders constructed our two-storey side extension perfectly. Building regs sign-off was secured first time, and the structural quality is outstanding. Genuinely five-star builders.
As a landlord with a portfolio of properties, I rely on Direct Line Builders for all my renovation projects. Reliable, competitively priced, and always quality work. My go-to builders in Essex.
A glimpse into the quality of workmanship delivered on projects across Essex and London.






Answers to the questions we hear most from homeowners across Essex.
Many extensions fall under Permitted Development rights and do not require full planning permission. This typically applies to single-storey rear extensions up to 4 metres for detached homes or 3 metres for semi-detached. Our team will assess your specific property and advise accordingly at no charge.
A standard loft conversion typically takes 6–10 weeks depending on the type and complexity. A Velux conversion is generally the quickest (4–6 weeks), while a full dormer or hip-to-gable conversion takes 8–12 weeks. We will give you a precise timeline during your free consultation.
Costs vary depending on size, specification and finishes. A single-storey extension typically ranges from £28,000 to £60,000+. A double-storey extension from £50,000 to £110,000+. We provide detailed, itemised, fixed-price quotations so there are no surprises. Contact us for a free site survey and quote.
Yes. Direct Line Builders holds comprehensive public liability insurance, employers' liability insurance, and professional indemnity cover. All our work is carried out in accordance with current UK Building Regulations.
Absolutely. We work alongside qualified architects and planning consultants who can prepare and submit planning applications on your behalf. We manage the entire process and liaise with your local authority.
We are based in Rainham, Essex, and serve clients across Romford, Hornchurch, Upminster, Barking, Dagenham, Ilford, Brentwood, Grays, Basildon, and throughout East and South-East London.