Builders in London you can trust.
PRO JM Builders deliver high-quality house extensions, loft conversions and refurbishments with tidy workmanship, clear timelines and honest pricing.
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Free written quotes
Clear scope & transparent pricing
Clear scope & transparent pricing
Quality finish
Attention to detail on every job
Attention to detail on every job
Reliable communication
Updates throughout the project
Updates throughout the project
Our Services
House Extensions
Single & double storey extensions.
Loft Conversions
Dormer & Velux conversions.
Full Renovations
Complete refurbishments.
Kitchens
Kitchen installations.
Bathrooms
Bathroom refurbishments.
General Building
Structural & general works.
My Projects
REVIEWS
★★★★★
Excellent workmanship and great communication.★★★★★
Finished on time and on budget. Highly recommended.★★★★★
Very professional builders, clean and organised.Frequently Asked Questions
How do I get a quote?
Contact us and we’ll arrange a visit and written quote.
Which areas do you cover?
London & South London including Croydon, Sutton and Bromley.
Are you insured?
Yes, fully insured.