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SMA Design & Build

Loft Conversion Specialists

020 3092 3226

SMA Design & Build

Your trusted partner for exceptional loft conversion prices London. Achieving your dream home with over 30 years of industry experience and unmatched craftsmanship.

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Get to Know Us

Our mission at SMA Design & Build is to provide an exceptional, bespoke domestic construction service with competitive loft conversion prices London families can trust.

Our expertise and attention to detail ensures that our loft conversions, extensions, basements & internal refurbishments meet your vision and enhance your family's lifestyle.

With over 30 years of industry experience, we have completed more than 1700 projects across London and Surrey, establishing ourselves as trusted specialists in domestic construction.

Get started on your dream home today!

30+
Years Experience
1700+
Projects Completed
100%
Customer Satisfaction
10
Year Guarantee
5%
Scheduling Discount

Our Mission

We cover areas in & around both London & Surrey & specialise in loft conversions, home extensions, basements, refurbishments & re-roofing services with fair loft conversion prices London residents appreciate.

We are also proud members of Mumsnet Recommended & Checkatrade, ensuring our customers receive the highest quality service and peace of mind.

Your contract stays with us - not sub-contracted out. We believe in maintaining direct relationships with our clients throughout the entire project lifecycle.

Checkatrade Recommended
Mumsnet Recommended
10 YEAR
STRUCTURAL
GUARANTEE
🏗️

Quality Workmanship

We use only the finest materials and employ skilled tradespeople to ensure exceptional results on every project with our 10-year structural guarantee.

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Fixed Price Quotations

Every project comes with a fixed price quotation with no hidden costs. Transparent loft conversion prices London customers trust with 5% scheduling discount available.

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Direct Partnership

Your contract stays with us, not sub-contracted out. We maintain direct relationships and accountability throughout your project.

Ready to Start Your Project?

Get a fixed price quotation from us today and discover why we offer the best loft conversion prices London has to offer. Take the first step towards your dream home.

Get Free Quote