Established flat roofing specialists serving Ascot and surrounding areas

Flat Roofing Ascot

We provide flat roof repairs, replacements, and new installations across Ascot. From residential extensions and garages to flat roofs on higher-value homes, our focus is on long-term performance and tidy, professional workmanship.

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Flat Roof Repair and Installation in Ascot

Flat roofs in Ascot need to balance appearance, durability, and proper drainage. We inspect carefully, explain your options clearly, and only recommend work that genuinely suits the condition of the roof.

Flat Roof Installation

New flat roof installations are designed around water flow, edge detailing, and the structure beneath. We install systems that sit cleanly on the property and perform properly in all weather, not rushed builds that fail early.
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Flat Roof Replacement

When an existing flat roof has reached the end of its service life, replacement is often more cost-effective than repeated repairs. We remove failed materials, assess the deck, and rebuild the roof using a system matched to the property.
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Flat Roof Repairs

Leaks, blistering, lifting edges, and pooling water are common signs of flat roof failure. Our repair work targets the root cause, whether that’s drainage, detailing, or aged materials, so problems don’t keep returning.
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Flat Roof Inspections

A flat roof inspection should give you clarity, not confusion. We assess coverings, joints, outlets, and previous repairs, then explain whether repair or replacement is the sensible next step.
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Emergency Flat Roof Repairs in Ascot

Water ingress can escalate quickly, especially in occupied homes. We provide emergency flat roof repairs in Ascot to make roofs watertight fast, followed by a clear plan for permanent repairs.
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Flat Roofing Designed for Ascot Properties

Ascot properties often place higher demands on finish, longevity, and appearance. We tailor flat roofing solutions to suit extensions, garages, balconies, and modern builds, making sure the roof complements the property while delivering reliable protection.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Flat Roofing Systems We Work With

Different flat roofing systems suit different buildings. We explain the pros and limitations of each option so you can make an informed decision without sales pressure.

EPDM Rubber Roofing

EPDM rubber roofing is well suited to larger flat roofs and extensions. With fewer joins and strong resistance to weathering, it provides consistent performance and low maintenance over time.

GRP Fibreglass Roofing

GRP fibreglass roofing creates a seamless, rigid surface that works well on smaller flat roofs and detailed areas. When installed correctly, it offers a clean finish and strong waterproofing.

Torch-On Felt Roofing

Modern torch-on felt systems remain a practical option for many residential flat roofs. Installed in proper layers with attention to edges and outlets, they provide dependable protection at a sensible cost.

Liquid Roofing Systems

Liquid roofing systems are ideal for complex flat roofs with multiple penetrations or awkward detailing. Applied as a seamless coating, they reduce weak points and extend the life of existing roofs where suitable.

Why Ascot Homeowners Choose Us for Flat Roofing?

Homeowners in Ascot choose us because we work carefully, communicate clearly, and respect the property. We turn up when agreed, keep sites tidy, and deliver work that doesn’t need revisiting months later.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Trusted Roofing Services Across the
South East

Trusted by local homeowners for reliable flat roofing work

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.

Checkatrade Verified reviewer - Job location: SL3

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

Checkatrade Verified reviewer - Job location: SL3

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.

Checkatrade Verified reviewer - Job location: SL9

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.

Checkatrade Verified reviewer - Job location: SL4

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.

Checkatrade Verified reviewer - Job location: SL6

Replacement of flat roof - Mitchell and his team are smart, communicative, skilled, friendly, helpful, trustworthy and reliable. I would highly recommend their roofing services.

Checkatrade Verified reviewer - Job location: HP4

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

Checkatrade Verified reviewer - Job location: SL6

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.

Checkatrade Verified reviewer - Job location: SL6

Fixed the roof, including all the felting and repaired the chimney. - Good communication throughout. Good work. Very happy with the service.

Checkatrade Verified reviewer - Job location: SL6

Roof repair - Great, really friendly and nice team

Checkatrade Verified reviewer - Job location: SL6

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.

Checkatrade Verified reviewer - Job location: SL6

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.

Checkatrade Verified reviewer - Job location: HP13

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.

Checkatrade Verified reviewer - Job location: HP16

Leak in the roof- Very polite and professional. Job was completed professionally at a very good price. Would highly recommend

Checkatrade Verified reviewer - Job location: SL6

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.

Checkatrade Verified reviewer - Job location: SL9

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.

Checkatrade Verified reviewer - Job location: SL6

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

Checkatrade Verified reviewer - Job location: SL6

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.

Checkatrade Verified reviewer - Job location: SL6

Fixed the roof, including all the felting and repaired the chimney. - Good communication throughout. Good work. Very happy with the service.

Checkatrade Verified reviewer - Job location: SL6

Roof repair - Great, really friendly and nice team

Checkatrade Verified reviewer - Job location: SL6

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.

Checkatrade Verified reviewer - Job location: SL6
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Our Process
Inspection and advice

We begin every job with a proper inspection of the flat roof, checking the surface, edges, drainage points, and surrounding details so we understand the real issue before recommending work.

Clear quote and scheduling

You receive a clear written quote outlining the work required and a realistic schedule, so you know exactly what to expect before any work begins.

Installation, repair, and final checks

Once work is complete, we carry out final checks on seals, drainage, and finishes to ensure the flat roof is watertight, tidy, and ready to perform.

[FAQ]

Frequently Asked Questions

How long should a flat roof last?
Can a leaking flat roof be repaired?
Is EPDM suitable for residential properties in Ascot?
How quickly can emergency repairs be carried out?
Do you offer written quotations?
Do you cover areas near Ascot?
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