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Services
Local roofing and building specialists in Wembley
Alliance Roofing & Building works across Wembley, helping homeowners and landlords keep roofs and rooflines in good order. We combine roofing skill with general building knowledge, so we understand how your roof, walls and drainage link together. Whether you need a simple repair, a flat roof replacement or a complete new roof, you deal with the same small team from first visit to final sign off.
Why choose Alliance Roofing & Building in Wembley?
Picking a roofer in Wembley is not just about the cheapest price. You want someone who turns up, explains what they are doing and keeps the site tidy. We inspect your roof properly, provide a clear written quote and agree dates that work for you. Our team is experienced, insured and used to working at height. We focus on repairs and renewals that last, not short cuts, and qualifying work comes with a written guarantee for your records.
1,000
Project Completed
97%
Customer Satisfaction
40+
Years of Experience
Recent Roofing Projects Across the South East
Flat Roof Installation - Harrow

Spray Foam Removal & New Roof Installation – Walters Ash

Moss Removal – Beaconsfield

What our Wembley roofing customers say
Many of our jobs in Wembley come from repeat clients and referrals. People like that we are easy to reach, honest about what really needs doing and respectful of their homes. When you contact us, we can point to recent local projects so you can see the standard of our work before you decide.
Removal of Chimney stack, replacement of roof underlay, guttering and flat roof repair. - Mitchell from Alliance Roofing & Building was the only builder, of many that I had contacted, that climbed a ladder to inspect my flat-roof and to climb into my loft-space to inspect the main roof from the inside. After an extensive review of my property and discussing my options, he emailed me his quotation on the same day. Booking in dates for Alliance & Roofing to commence work was quick and effortless. They arrived on time, completed the work as planned to a professional standard. Provided Photos of work carried out at all stages. I highly recommend Alliance Roofing & Building.
New roof on my bungalow - I recently had the pleasure of working with Alliance Roofing and Building to install a new roof on my bungalow, and I couldn't be more satisfied with the results. From start to finish, the entire process was smooth and professional. Mitchell, who led the project, was exceptional. His expertise and dedication were evident from the moment he arrived. He and his team were not only highly skilled but also incredibly helpful and courteous throughout the entire job. They took the time to answer all my questions
New slate roof - Mitchell and his team installed my new roof and I'm very satisfied. The quality is superb, they were professional, punctual, and communicative. The project finished on time and the site was left spotless.
Guttering repair - Mitchell came to repair my guttering, he was on time, polite, efficient and conscientious. He kept me informed at each stage of the work that was needed.
Roof repairs - Mitchell repointed a chimney and installed a chimney cowl. He also did some cementing work to the roof. Mitchell was very polite and a conscientious worker. He kept me informed throughout the job. Mitchell was able to give me a quote and do the repair work within a few days. I wouldn’t hesitate to recommend Alliance Roofing & Building.
Replacement of flat roof - Mitchell and his team are smart, communicative, skilled, friendly, helpful, trustworthy and reliable. I would highly recommend their roofing services.
Roof tile replacement and chimney repair - Mitchell and his team are reliable, efficient and hard working. We will certainly use them again in the future. Thanks guys
Chimey Removal & Other Minor Repairs - Mitchell was the only roofer who quoted for the job that actually took the time to go up on the roof to inspect the issue, which was appreciated at the time. He fitted us in around other jobs within 2 weeks to get the work done in a timely manner. The work (which included the removal of a chimney stack to below the roof line, repointing the ridge line, and various other patch repairs) appears to have been completed to a good standard (posting days after completion). Mitchell and his team were polite, conscientious and happy to help throughout the job.
Fixed the roof, including all the felting and repaired the chimney. - Good communication throughout. Good work. Very happy with the service.
Roof repair - Great, really friendly and nice team
Tile realignment/repair and felt renewal - Mitchell and his team were excellent. Would definitely recommend Alliance. The team were on time (in fact they were able to begin the job half a day earlier than initially discussed), polite, efficient and kept us informed of progress each day. We could not have asked for a better service.
Roof verge repair. - Mitchell was polite, friendly and knowledgeable. The team were polite and efficient. The work was completed for the price quoted, which was competitive, and in the timeframe advised.
repair of box gutter behind parapet wall - Mitchell undertook a detailed diagnosis of the work required, started the job quite quickly and completed it satisfactorily.
Leak in the roof- Very polite and professional. Job was completed professionally at a very good price. Would highly recommend
New slate roof - Mitchell and his team installed my new roof and I'm very satisfied. The quality is superb, they were professional, punctual, and communicative. The project finished on time and the site was left spotless.
Roof repairs - Mitchell repointed a chimney and installed a chimney cowl. He also did some cementing work to the roof. Mitchell was very polite and a conscientious worker. He kept me informed throughout the job. Mitchell was able to give me a quote and do the repair work within a few days. I wouldn’t hesitate to recommend Alliance Roofing & Building.
Roof tile replacement and chimney repair - Mitchell and his team are reliable, efficient and hard working. We will certainly use them again in the future. Thanks guys
Chimey Removal & Other Minor Repairs - Mitchell was the only roofer who quoted for the job that actually took the time to go up on the roof to inspect the issue, which was appreciated at the time. He fitted us in around other jobs within 2 weeks to get the work done in a timely manner. The work (which included the removal of a chimney stack to below the roof line, repointing the ridge line, and various other patch repairs) appears to have been completed to a good standard (posting days after completion). Mitchell and his team were polite, conscientious and happy to help throughout the job.
Fixed the roof, including all the felting and repaired the chimney. - Good communication throughout. Good work. Very happy with the service.
Roof repair - Great, really friendly and nice team
Tile realignment/repair and felt renewal - Mitchell and his team were excellent. Would definitely recommend Alliance. The team were on time (in fact they were able to begin the job half a day earlier than initially discussed), polite, efficient and kept us informed of progress each day. We could not have asked for a better service.

We visit your Wembley property, look at the roof from inside and outside, take photos and listen to any concerns you have. You get straightforward advice on the condition of the roof and whether a repair or replacement is the right option.

After the visit we send a written quote that sets out the work, materials and price. Once you are happy to go ahead, we book in dates, explain how we will access the roof and give a realistic idea of how long the job will take.
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Our roofers complete the agreed work, keeping you updated as the job moves along. We clear away waste, check the finished roof with you and only sign off when you are satisfied. Any guarantees are issued and we stay available if you have questions later.
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Roofing FAQs for Wembley homeowners
We work across Wembley and the surrounding parts of north west London, including Wembley Park, Sudbury, Alperton, North Wembley and nearby postcodes. If you are close by but not sure if we cover your street, get in touch and we will confirm.
Yes. Alongside tiled and slate roofs, we can repair and replace certain metal roofing systems in Wembley, such as sheeted roofs on extensions, garages and small commercial buildings. We will inspect the existing metal roof, advise on whether repair or replacement is best and quote accordingly.
We handle everything from small targeted repairs to complete new roofs on houses, bungalows and garages. If a repair is likely to last and makes sense for the age of the roof we will say so. If replacement is the better option, we will explain why and show you what we have found during the survey.
Alliance Roofing & Building holds public liability insurance for the roofing and building work we carry out. Most new roofs and larger projects in Wembley come with a written guarantee. We always explain what is covered and for how long before you agree to the job.
For urgent leaks and storm damage in Wembley we aim to attend as quickly as possible. Our first priority is to stop water getting in and make things safe. Once the property is protected we can quote for any permanent repair or replacement that is needed.
You can call us, email us or send an enquiry through our contact form with a brief outline of the roofing issue in Wembley. We will arrange a convenient time to visit, inspect the roof and then provide a clear, no obligation written quote. There is no hard sell, just honest advice so you can decide what suits you.




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