DM and Son

Get In touch today

Head Office: 01959 702 085 | Mobile: 07754 651 795


Be it a structure for a new build or replacing a roof at the end of its lifespan, DM & Son Ltd covers all your new roofing needs.


If you have a flat-roofed property, or structures with flat roofs like garages and extensions, learn more about our related roofing services.


Once compromised, your roof and wider property lay exposed to the elements. Our rapid, effective repairs restore the watertight quality.


To speak with a member of our friendly team about any of our roofing or building maintenance services, use the details listed here.


Roofing Contractors in Bromley and Across Kent
The Trusted Choice for Local Roofing Services

Welcome to the DM & Son Ltd website. We are a family-run business with a trading history stretching back five generations. Our company provides a full range of roofing services in the domestic and commercial sectors across Bromley. These include the installation of new roofs and roofing repairs of any type, size and complexity. Our roofing contractors have equal skill and expertise with pitched and flat roofs, so there’s no project we can’t manage, and no problem we can’t resolve.

For an insight into the kind of projects we take on, and the standards we achieve, visit the Gallery page to view examples of our completed work. We also have blog pages on our website which may be of interest to you.

Based in Biggin Hill and Westerham, we cover all surrounding Kent areas. Some of our key service locations include Orpington and Sevenoaks.

A significant amount of our trade comes from repeat custom and personal recommendations. This is something we take great pride in.


Do you need a new roof installation? Or emergency roofing repairs? Whether you have a pitched or flat roof, our team covers every eventuality.

Our Services

DM & Son Ltd provides the following roofing services for property owners in Kent.

  • Installation of New Roofs

  • Installation of Flat Roofs

  • All Roofing Repairs

  • UPVC Fascias, Soffits and Gutters

  • Full Chimney Rebuilds

  • Chimney Demolition

  • Flashing/Leadwork

  • Moss Cleaning

In addition to 3-layer felt and lead roofs, our flat roofing options include market-leading EPDM rubber. For your peace of mind, we are an approved installer of RubberBond products.

As time-served roofing contractors, we understand how important a fully functional roofing system is for your property. Our services deliver complete roof care, ensuring your home or workplace stays dry, warm, safe and secure.

DM & Son Ltd performs repairs on a scheduled and responsive basis. The latter includes a 24-hour callout service for roofing emergencies.

With a skillset handed down over 5 generations, our knowledge of roofing structures, materials and problems is second to none.

About Us

Directed by David and Susan Mason, DM & Son Ltd are certified CIS roofing contractors. Our wider workforce shares over 20 years of industry experience. During this time, we have worked on new roofs, be they pitched or flat roofs, and completed roofing repairs, of every kind numerous times. As such, we have a proven track record for impeccable, long-lasting results. You can rest assured, we also perform roofing services (and building maintenance work) in Bromley and across Kent in full compliance with current HSE legislation.

David Mason is a member of the Institute of Roofing and has a City & Guilds qualification in roofing. He is a loss adjuster for Regent Development Ltd and undertakes work for a selection of property management agencies.

DM & Son Ltd holds approval from Southwark Trading Standards and the Good Practice Awards scheme. In addition, we also have membership with the Federation of Master Builders. Our company was previously members of the Croydon Builders Charter and the government Trustmark scheme National Federation of Roofing Contractors.

DM & Son Ltd provides a 10-year guarantee on all new tiled roofs. This extends to 20 years for new EPDM RubberBond and 3-layer felt system roofs. We operate in the Kent area with £1m public liability and £10m employer’s liability insurance.

Further Services We Provide

Alongside our roofing work, DM & Son Ltd also provides various building services, including:

  • Painting and Decorating

  • A Range of Fencing Options

  • Artificial Grass Installation

  • General Building Maintenance

From new roofs to balconies lined with artificial grass, and roofing repairs to painting and decorating rooms of any kind, our roofing contractors and building maintenance specialists cover your Bromley and Kent-area property needs.

Call 01959 702 085, 0800 046 1240 or 07754 651 795 to speak with our team about new roofs, flat roofs or roofing repairs in Bromley and the wider Kent area.


TELEPHONE: Office: 01959 702 085 | Sue Mason: 07754 651 795 | Freephone: 0800 046 1240

ADDRESS: 80 Oaklands Lane, Biggin Hill, Westerham, Kent, TN16 3DP


OPEN: Mon-Fri - 9am-5pm

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