Loft conversions in PO10 from £31,425

Range from the cheapest Loft conversion £31,425 (Park Building Services Ltd based in PO9) to the dearest Loft conversion £47,850 (KC Fencing Ltd based in po9). To see prices and availability for your job click green button.

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From £44,025

Last active Oct 26
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R&B Property Improvements

Chris Bond

We are a Small Family run business with over 30 years experience in the building trade, Carpentry is my main trade, with NVQ Level 2.

From £33,675

Last active Oct 26
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Oakstone Developments

Rob Butler

Need to find an Extension Builder near you for all your extension buildering work?

Oakstone Developments provides a local, trusted extensio...

From £31,425

Last active Sep 26
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Park Building Services Ltd

Park Building Services Ltd is a trusted extension builder serving customers in PO10 and the surrounding area. Contact us to today to get a competit...

From £35,400

Last active Jun 26
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HOLLYBANK BUILDING

Experienced extension builder ready to quote for your work. HOLLYBANK BUILDING is the best extension builder in PO10. No obligation free quotes and...

From £34,200

Last active Mar 26
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A T Holmes & Son Chimney Sweep

A T Holmes & Son Chimney Sweep is a trusted extension builder serving customers in PO10 and the surrounding area. Contact us to today to get a comp...

From £36,075

Last active Nov 25
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Hyden Building Services

Hyden's approach is simple, use a structured repeatable approach to building delivery, using the best tradesmen in the business. The outcome is a b...

From £47,850

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KC Fencing Ltd

Scott Jones

Need to find an Extension Builder near you for all your extension buildering work?

KC Fencing Ltd provides a local, trusted extension buil...

From £33,450

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Solent Home Improvements

Brad Willis

Solent Home Improvements are here to help customers who need an Extension Builder in PO10. We offer a competitive rate to complete all your extensi...

From £34,800

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Solent Home Improvements

Brad Willis

Solent Home Improvements are here to help customers who need an Extension Builder in PO10. We offer a competitive rate to complete all your extensi...

From £32,775

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ARC Property Maintenance & Home Improvements Ltd

With over 40 years of experience ARC Property Maintenance & Home Improvements Ltd has been providing a full range of structural repairs and buildin...

Cheapest builders for loft conversion in PO10

Estimates for loft conversion near PO10

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - Get rates and quotes for the cost of a loft conversion in PO10 by posting your job to extension builders in PO10.

"Loft conversion" - HAVANT & WATERLOO, job posted 11/02/25


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Estimates for common extension builder jobs in PO10;

Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

More extensions & conversions cost guides...