Best in-country
Reliable Construction Company in Harrogate

With More Than A Decade Of Proven Success In House Extensions And Construction Projects.

Best in-country
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About JWI Builders

Welcome to JWI Builders

JWI Builders are a Harrogate based construction business that offers a wide range of building solutions under the same roof, from a new build, renovation, extension or loft conversion.

Every Harrogate homeowner needs an experienced builder, who can collaborate with local architects and other Harrogate trades, to complete your project on time and be able to keep costs within budget without cutting corners. With many years of experience, our team of 30 tradesmen and very best architects have the knowledge and experience to assist you. From the planning to the completion stage, JWI Builders Ltd are here every step of the way.

Email Us For Advice

jwibuilders@hotmail.co.uk

Call For Quality Services

07772 489109

Our Services

We Provide
Superior Construction Services

Extensions

Renovations

New Builds

Loft Conversions

Cellar Conversions

Full Planning

Extensions

Create the extra space you need with a bespoke home extension from JWI Builders. Based in Harrogate, we deliver high-quality, stress-free extensions tailored to your needs—on time and within budget.

Renovations

JWI Builders specialise in full home renovations and extensions across Yorkshire, delivering stylish upgrades and practical improvements. From kitchen revamps to full-scale interior makeovers, we work to your vision and budget.

New Builds

Create the home you’ve always imagined with JWI Builders. From layout to finishes, we offer full flexibility so you can build a home tailored to your lifestyle, taste, and budget. Our expert team supports you every step of the way—from planning and design to final handover—ensuring your new build is modern, efficient, and built to last.

Loft Conversions

Unlock your home’s full potential with a professional loft conversion from JWI Builders. Our expert team in Harrogate helps homeowners add up to 30% more floor space—without needing extra land. From concept to completion, we create stunning, practical loft spaces that add real value.

Cellar Conversions

Transform your unused cellar into a valuable living space with JWI Builders. Our expert team in Harrogate delivers cost-effective cellar conversions designed to increase space, boost property value, and support growing families—without the hassle of moving.

Full Planning

At JWI Builders, we handle every aspect of your build from concept to completion. Our full planning service ensures your vision is brought to life with care, coordination, and no third-party confusion.

Projects Competed Successfully

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Professional Workers In The Company

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Customers Benefit Every Day

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Why Choose JWI Builders

Why Choose JWI Builders For Construction Services.

At JWI Builders, we combine skilled craftsmanship with local expertise to deliver reliable, high-quality construction services across Harrogate. From initial planning to project completion, our in-house team of 30 experienced tradesmen and architects work closely with you and your chosen professionals to ensure a smooth, on-time build with no compromise on quality or budget. Whether you’re planning a new build, extension, renovation or loft conversion, we’re committed to making your vision a reality.

Quality Material

We use trusted materials for strong, lasting results.

Trained Workers

Our team delivers skilled, reliable work on every job.

Expert Advice

Clear, practical guidance from start to finish.

Sensible Rates

Fair pricing with no compromise on quality.