Master Builder

Builders. Master Builder has been vetted and approved by TrustATrader. Covering Welwyn Garden City and the surrounding areas of Hertfordshire

07367 196362

Membership number TT31054

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4.98 out of 5
15 reviews

Initial impression Initial impression: 4.93 out of 5.0
Punctuality Punctuality: 5.0 out of 5.0
Cleanliness Cleanliness: 5.0 out of 5.0
Quality Quality: 5.0 out of 5.0
Value Value: 4.93 out of 5.0
Overall opinion Overall opinion: 5.0 out of 5.0

0 missed appointments in the past 6 months

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About Master Builder, Welwyn Garden City

Master Builder is a building services company and builder in Welwyn Garden City, serving homeowners across Hertfordshire.

We have over 20 years’ experience delivering projects from foundations to finishing. We focus on measurable reliability: scheduling that keeps projects moving, clear written estimates, and tradespeople who specialise in brickwork, roofing and drainage solutions. Each contractor that works for Master Builder is fully qualified and insured and delivers on timekeeping, quality of work and value.

We offer:

New builds
Alterations, extensions & conversions
Brickwork
Concrete
Plastering & screeding
Tiling
Painting & decorating
Kitchens & bathrooms
Roofing services
Re-pointing
Septic tanks
Excavation services
Soakaways
Foundations
External works
Drainage

To find out more about the services we offer or to view our gallery, visit our website Call us to discuss your project and mention TrustATrader.

Please check the reviews on TrustATrader to see feedback from local homeowners in Welwyn Garden City and Hertfordshire.

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Master Builder

Sole trader

Verified on 8th October 2025

Identification checked
Company address verified
Customer references checked
Agreed to TrustATrader's high standards
Agreed to complaints procedure

Welwyn Garden City
Hertfordshire

Insurance details

Provider	Simply Business Insurance
Verified	30th June 2025

Associations

TrustATrader.com

Average rating: 5.0 out of 5

Review by Melina

on 20th February 2026

"We entrusted Master Builder with our full house renovation, including a full overhaul of the kitchen and bathroom, and we couldn’t be happier with the results. The team was professional, friendly, and provided regular updates. The new kitchen layout is both beautiful and functional, while the bathroom is now a relaxing retreat. The quality of work exceeded our expectations, and we appreciated their attention to detail and commitment to completing the project on schedule. Highly recommended!"
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
Average rating: 5.0 out of 5

Review by Simon Lorton

on 17th February 2026

"Master Builder just finished a full renovation in our home, and honestly we’re really happy with how it turned out. Our old kitchen and bathroom now look modern and much more functional, it feels like a completely new space. The team worked hard, stayed on schedule, and were always respectful of our house. There were no big issues along the way and the final result even better than we expected."
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
Average rating: 5.0 out of 5

Review by George Osborne

on 8th February 2026

"We trusted Master Builder with a full house renovation, including major work on the kitchen and bathroom, and we’re very glad we did. Communication was clear throughout, and the team was friendly and professional. The new kitchen is both practical and visually appealing, and the bathroom now feels like a calm, well-finished space. The attention to detail and overall quality of work were excellent, and we’d happily recommend them."
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
Average rating: 5.0 out of 5

Review by Emily Thompson

on 1st February 2026

"Master Builder carried out a full refurbishment of our property, and we are extremely satisfied with the outcome. Istvan was reliable, well organised, and kept us updated at every stage of the project. The workmanship was excellent, particularly on the larger elements of the build. It is clear that they specialise in full house refurbishments, and we would not hesitate to use them again."
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0

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Master Builder

About Master Builder, Welwyn Garden City

Photo gallery

Master Builder

Insurance details

Associations

Reviews (15)

Review by Melina

Review by Simon Lorton

Review by George Osborne

Review by Emily Thompson

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