RootsOfGoldAugust 2026
Very professional, hard working, and they take pride in their work. Couldn't ask for much more from our loft conversion. I have no problem recommending Allied Welsh, a thoroughly trustworthy company.
on GoogleRanked#1of 1 in Porth
Allied Welsh Ltd
Gelligron Industrial Estate, Unit 2 Del Guerra Court, Tonyrefail, Porth CF39 8ES
About Allied Welsh Ltd
Allied Welsh Ltd specialises exclusively in loft and garage conversions, transforming unused spaces into practical, beautifully finished living areas. With over 35 years' experience since 1989, they serve homeowners across South Wales, Bristol, and the West of England. All projects are delivered by their complete in-house trade and design team, ensuring consistent quality, clear communication, and a stress-free build without the use of subcontractors. They offer a free design survey to assess viability and provide a clear, fixed-price quotation with no hidden costs, building on a strong reputation and expert advice at every stage.
Allied Welsh Ltd Customer Highlights
Professional and highly skilled construction team
Excellent communication and efficient project delivery
Friendly, polite, and highly responsive customer service
Customers consistently praise Allied Welsh Ltd for their exceptional professionalism and the outstanding quality of their work, particularly in loft and garage conversions. They are highly regarded for their excellent communication throughout projects, efficient project management, and a team that is consistently described as friendly, polite, and attentive to customer needs. Many highlight their ability to complete projects to a high standard, on time, and with minimal stress for the homeowner.
Allied Welsh Ltd Customer Reviews
4.9 out of 5 Based on 68 reviews
Recent 5-Star Reviews
Anna W.August 2026
A fantastic, professional and organised service from start to finish. The whole team were competent, reliable, hard working and experienced. Our project was managed by Dean, who was available at all hours and nothing was too much trouble…
on GoogleArtemi S.July 2026
You rarely, if ever, see after-sales service as amazing as this! A few years after completing our loft conversion we had a leak. Allied Welsh came out straight away, replaced a roof tile, and did not charge a penny. Now, 21 years later, we…
on GoogleAllied Welsh Ltd Services
- Loft conversions
- Garage conversions
- Free loft conversion survey
- Free design survey
- Fixedprice quotations
Allied Welsh Ltd FAQs
What services do Allied Welsh Ltd specialise in?
Allied Welsh Ltd specialises exclusively in loft and garage conversions, helping homeowners across South Wales, Bristol, and the West of England transform their unused spaces into living areas.
How does Allied Welsh Ltd manage their conversion projects?
Allied Welsh Ltd delivers every project with their complete in-house team, from the initial survey through to completion. This ensures consistent quality, clear communication, and a stress-free build, as they never use subcontractors.
Does Allied Welsh Ltd provide a quotation for their services?
Yes, Allied Welsh Ltd offers a free loft conversion survey to assess your home, confirm viability, and design a suitable solution. Following this, you will receive a clear, fixed-price quotation with no hidden costs.
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