London's MostTrusted Roofers
Premium roofing solutions for London's finest properties. Two decades of heritage craftsmanship, 5,000+ projects, and a reputation built on quality.
Our Services
Comprehensive roofing solutions delivered with precision and care across all of London.
How It Works
From first contact to completed project — a seamless, professional experience every time.
Free Consultation
Contact us and we'll arrange a convenient time to assess your roofing needs. No obligation, no pressure — just honest advice.
Expert Survey & Quote
Our qualified surveyors inspect your roof and provide a detailed, transparent quotation with no hidden costs or surprises.
Quality Completion
Our skilled craftsmen complete the work to the highest standards, backed by our industry-leading 20-year guarantee.
Why London's Finest
Choose Alliance
Our reputation is built on decades of delivering exceptional results. We combine traditional craftsmanship with modern techniques to protect and enhance London's most distinguished properties.
Heritage Expertise
Specialists in period properties from Georgian to Edwardian
Premium Materials
Only the finest slates, tiles, and membranes from trusted suppliers
Transparent Process
Detailed quotations with no hidden costs or surprises
Lasting Guarantees
Comprehensive warranties backed by our 20-year track record
What Our Clients Say
“Alliance Roofing exceeded all expectations. Their attention to detail on our Kensington townhouse was remarkable. True craftsmen.”
“Emergency call-out on a Sunday morning — they arrived within 90 minutes. Professional, courteous, and the repair was flawless.”
“Our period property in Hampstead required specialist slate work. Alliance delivered exceptional results with genuine expertise.”
Recent Projects
A selection of recent roofing projects completed across London — from period slate restoration to modern flat roof installations.
Serving All of London
From Hampstead to Greenwich — excellence delivered across all 32 London boroughs.
Ready to Discuss
Your Project?
Contact our team for a complimentary consultation and detailed quotation. We respond to all enquiries within two hours.