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Call our Team: 01375511420     l     Contact us: contact@prclimited.co.uk

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Commercial Flat Roofing Contractors for Multi-Unit & Industrial Buildings

Specialist flat roof refurbishment and replacement programmes across Essex, London & the South East.

Trusted by councils, housing providers & commercial estates across London, Essex & Kent - accredited and compliant.

Flat Roof Refurbishment & Replacement

We deliver structured flat roof solutions for housing associations, managing agents and industrial estates across London, Essex and the South East.

Our work ranges from targeted remedial interventions through to full strip-and-replace refurbishment and multi-building programmes - always supported by clear scope definition and compliant specification.

Where appropriate, projects begin with a detailed condition assessment.
See what a professional roof survey report should include.

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Leak investigation and targeted repair works

Liquid-applied overlay systems to extend service life

Gutter, outlet and drainage refurbishment

Planned maintenance and lifecycle support

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Cold-Applied Liquid Systems

Cold-applied liquid systems provide seamless waterproofing for flat roofs, balconies, terraces and external walkways on multi-unit residential and commercial buildings.

Because no heat is used, they are particularly suited to occupied buildings and sites where fire risk must be carefully managed. We install high-performance PU and PMMA systems reinforced for strength, durability and long-term compliance.

Commonly specified for refurbishment and overlay projects, liquid systems accommodate complex detailing and irregular substrates while minimising disruption during installation.

BBA-approved waterproofing systems

Fire-compliant and non-combustible options available

Slip-resistant finishes for walked-on surfaces

Manufacturer-backed guarantee packages

Built-Up Felt Roofing Systems

Built-up felt remains a proven solution for large-scale flat roof refurbishment and replacement projects across housing portfolios, industrial estates and public sector buildings.

Available in torch-applied and self-adhesive variants, modern multi-layer systems provide robust, layered waterproofing with predictable performance and clear lifecycle planning. Felt systems are frequently specified where budget control, phased delivery and long-term durability are key project drivers.

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Multi-layer waterproofing for large roof areas

Safe-to-torch and flame-free installation options

Suitable for refurbishment and full replacement schemes

Manufacturer-backed guarantees and specification support

Safe-to-Torch Compliant Roofing  

On occupied and compliance-sensitive sites, hot works must be carefully controlled. We operate to strict NFRC guidelines and structured hot works procedures to ensure safe, compliant delivery.

Where flame application is unsuitable, we specify appropriate flame-free systems without compromising performance or warranty.

Controlled hot works on occupied buildings

Certified installers operating to NFRC standards

Flame-free systems used on high-risk or occupied buildings

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Single-Ply Roofing Membranes 

Single-ply membrane systems are widely specified on large commercial and multi-unit residential buildings where lightweight construction and controlled installation programmes are required.

Mechanically fixed or fully adhered systems provide reliable waterproofing across extensive roof areas, with manufacturer-backed guarantees and long-term performance.

Lightweight systems for large roof areas

Mechanically fixed or fully adhered options

Suitable for new build and refurbishment

Manufacturer-backed warranties

Ready to get your

project started?

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Why Choose Flat Roofing

Flat roofing systems are widely specified on large residential, commercial and public sector buildings due to their structural efficiency, lifecycle predictability and adaptability across complex roof layouts.

Modern systems allow controlled refurbishment, phased replacement and compliance-led upgrades without unnecessary structural intervention.

Request a Flat Roof Site Survey

Receive a structured roof assessment with clear recommendations for refurbishment or replacement works. We support housing providers, managing agents and commercial clients across London and the South East.

Tell us about your project

Areas We Cover

Premier Roofing & Contractors Limited provides professional flat roofing installation, repair and overlay services across London, Essex, Kent and the South East.

Flat Roofing in London

Refurbishment and replacement projects across North, Central and South London, including Islington, Croydon and Greenwich.

Supporting housing providers, managing agents and commercial estates.

Flat Roofing in Essex

Operating across Basildon, Chelmsford, Southend and Braintree.

Structured flat roof upgrades for housing and commercial portfolios.

Flat Roofing in Kent

Covering Dartford, Maidstone, Canterbury and Ashford.

Specification-led refurbishment and replacement schemes.

Flat Roofing Across the South

Working across Surrey, Sussex, Hertfordshire and Berkshire.

Large-scale flat roofing for residential and commercial buildings.

Guarantee & Compliance

All flat roofing works are delivered to current industry standards with clear manufacturer-backed warranties.

We operate in accordance with NFRC best practice and relevant building regulations, ensuring compliant installation across residential, commercial and public sector projects.

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How long does a flat roof last?

A professionally installed flat roof can last between 25 and 40 years. The exact lifespan depends on the material used - such as felt, single-ply membranes, or cold-applied liquid systems - as well as how well the roof is maintained over time. With regular upkeep, many flat roofs perform reliably for decades

What is the best material for a flat roof?

The best material for a flat roof will depend on your property and budget. Common options include felt, EPDM rubber, single-ply PVC, and cold-applied liquid systems. Each option provides strong waterproofing and durability, while liquid systems are especially useful for complex detailing or irregular roof shapes.

Do flat roofs always leak?

No - modern flat roofs are designed to be completely watertight. Problems usually happen because of poor installation or a lack of regular maintenance. When fitted by a professional, a flat roof will resist leaks and drainage issues for decades.

Can flat roofs be insulated?

Yes, flat roofs can be insulated. This can be done with warm roof or cold roof methods. As a result, your property becomes more energy-efficient, with lower heating costs and better condensation control.

Do I need planning permission for a new flat roof?

Most flat roof repairs and replacements are classed as permitted development, so planning permission is not usually required. However, if you plan to change the roof height, alter the design, or carry out work on a listed building, you may need consent from your local authority.

Ready to discuss your flat roofing project with our team?

Certified to Install Premium Roofing Systems from Leading Manufacturers

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