Loft conversions in North Watford from £32,625

Range from the cheapest Loft conversion £32,625 (MAX CONSTRUCTION LTD based in HA4) to the dearest Loft conversion £38,550 (Mandala Building Services based in WD6). To see prices and availability for your job click green button.

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From £38,550

Rates verified Oct 26
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Mandala Building Services

Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...

From £34,800

Last active Nov 26
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JJSR Construction Ltd

J Wijayamohan

JJSR Construction Ltd is an established and experienced local extension builder in North Watford. Please contact us for a free, no obligation quote...

From £38,100

Last active Oct 26
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AV Home Improvements

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...

From £37,725

Last active Oct 26
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Sharp Building Ltd

Sharp Building Ltd is an established and experienced local extension builder in North Watford. Please contact us for a free, no obligation quote an...

From £33,975

Last active Oct 26
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Mario Prajar Building Services

Mario Prajar Building Services is an established and experienced local extension builder in North Watford. Please contact us for a free, no obligat...

From £32,625

Last active Oct 26
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MAX CONSTRUCTION LTD

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

MAX CONSTRUCTION LTD provides a local, trusted extension...

From £34,650

Last active Oct 26
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RLC Construction

RLC Construction are here to help customers who need an Extension Builder in North Watford. We offer a competitive rate to complete all your extens...

From £36,975

Last active Oct 26
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C T Edwards

Relax... you have found a reliable extension builder in North Watford. C T Edwards is a friendly and reliable company based in North Watford who co...

From £37,200

Last active Oct 26
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Building Service and Support Ltd

Relax... you have found a reliable extension builder in North Watford. Building Service and Support Ltd is a friendly and reliable company based in...

From £33,750

Last active Oct 26
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ALG Renovations

ALG Renovations is a well established, trustworthy, reliable and professional operation with over 17 years experience myself in the trade, base...

Cheapest builders for loft conversion in North Watford

Estimates for loft conversion near North Watford

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 North Watford by posting your job to extension builders in North Watford.

"Loft conversion" - WD24, job posted 12/07/25

"Loft conversion - (2 Rooms and a shower) Total Area - 40 square metres)" - WD19, job posted 01/01/70


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Estimates for common extension builder jobs in North Watford;

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...