Trusted Flat Roofers in Godalming

Flat Roofing Godalming

Need flat roofing in Godalming? We install, replace and repair flat roofs for extensions, garages and dormers across GU7, with honest advice, clear quotes, and workmanship that holds up.

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Flat Roofing Services in Godalming

Whether it’s a small leak or a full replacement, we handle flat roofs across Godalming with systems that suit your property and your budget.

Flat Roof Installation

Installing a flat roof is only “easy” when it’s done properly, correct falls, solid decking, and tidy edge details. We install flat roofs for home extensions, garages, porches and outbuildings in Godalming, using modern materials that are built for long-term weather protection.
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Flat Roof Replacement

If your flat roof is past saving, constant patching is just wasting money. We remove the failed layers, replace any damaged boards where needed, and fit a new flat roof system with clean finishes and proper drainage, so it performs for years, not months.
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Flat Roof Repairs

Leaking felt, lifted edges, cracks, splits, bubbling, and water pooling, we repair flat roofs across Godalming by finding the cause first. You’ll get a clear explanation of what’s wrong, what needs doing now, and what can wait, then we carry out repairs that actually last.
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Flat Roof Inspections

If you’re seeing damp patches, staining, mould, or a leak that comes and goes, you need a proper inspection. We check the membrane, edges, flashings, drainage points and decking condition, then give you straight advice on the best fix.
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Emergency Flat Roof Repairs

Flat roof leaks can get ugly fast, especially after heavy rain or wind. We offer urgent flat roof repairs in Godalming to stop active leaks, protect the inside of your home, and prevent minor damage turning into a full replacement.
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About Our Flat Roofing in Godalming

Flat roofs have a bad name for one reason, people cut corners. Most failures come from poor detailing at edges, weak joins, blocked outlets, or rushed prep. We take the time to get the foundations right, then finish the job properly so the roof stays watertight. If you’re based in Godalming or nearby villages, we’ll give you a clear plan, a clear quote, and work you can rely on.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Flat Roof Systems We Install in Godalming

We work with several flat roofing systems, then recommend what suits your roof layout, usage, and expected lifespan, rather than forcing a one-size-fits-all option.

EPDM Rubber Roofing

EPDM is a strong, flexible rubber membrane that performs well through temperature changes and heavy rain. It’s a great option for flat roofs on extensions, garages, and outbuildings in Godalming where you want a long-lasting, low-maintenance finish.

GRP Fibreglass Roofing

GRP creates a seamless, hard-wearing surface that looks clean and modern. It’s ideal for roofs where neat detailing matters, like dormers, porches and extensions. Installed correctly, GRP is highly resistant to leaks, cracking, and UV wear.

Torch-On Felt Roofing

Torch-on felt is still one of the most popular flat roof options because it delivers solid waterproofing at a sensible price. Modern multi-layer systems are far more durable than older felt roofs, especially when edges and outlets are finished properly.

Liquid Roofing Systems

Liquid systems work well for awkward shapes, tight corners, and roofs with lots of penetrations where sheet materials can struggle. They cure into a waterproof layer that seals around trims and details, which helps reduce common leak points.

Why Godalming Homeowners Choose Us?

Because you want a flat roof that stays watertight, not a “quick fix” that fails again next winter. We inspect properly, explain your options clearly, and quote honestly. We turn up when we say we will, keep the job tidy, and finish the details properly, especially edges, joins and drainage, where most flat roofs fail.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Rated 5 Stars by Homeowners Across

Godalming

We are proud to be consistently rated 5 stars for the quality of our workmanship, reliability and communication. Our reputation is built on honest advice, professional standards and delivering roofing work that lasts.Webflow System

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 Roof

Godalming

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

Roof Repair

Godalming

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.

Tile Realignment

Godalming

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

Tile Replacement

Godalming

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.

New Roof

Godalming
Our Process
Inspection and advice

We inspect the flat roof properly, explain what’s causing the issue, and give you clear options based on the condition of the roof.

Clear quote and scheduling

You get a clear written quote, a realistic timescale, and a booked date that does not keep shifting.

Installation, repair, and final checks

We complete the work carefully, then check seals, edges and drainage so you can be confident the roof is watertight before we leave.

[FAQ]

Frequently Asked Questions

How do I know if I need a flat roof repair or a full replacement?
What are the most common causes of flat roof leaks in Godalming?
How long does a flat roof repair usually take?
Is EPDM or GRP better for a flat roof extension?
Can you fix water pooling on a flat roof?
Do you offer free quotes for flat roofing in Godalming?
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