Your trusted group of specialist contractors 

Your trusted group of specialist contractors 

As our name suggests, The National Waterproofing Group is made up of multiple specialist contractors based around UK. This enables us to provide coverage for all types of waterproofing and gas membrane installation services no matter where our domestic and commercial customers are based. 

Why did the group form? 

Why did the group form? 

The original formation was to enable group purchasing benefits, cost-effective access to specialist training, and a technical forum for the exchange of knowledge and expertise.  
 
However, we soon realised that the group had so much more to offer, which is why in 2019 we decided to extend our services to the general public as well as Tier 1 contractors, local authorities, quantity surveyors, commercial landlords, civil engineering companies and housebuilding companies of all sizes. 

Our mission 

Our mission 

As a collective of passionate and dedicated specialist contractors, we have some of the most highly skilled technicians, surveyors and designers in the country. Our mission is to maintain the highest calibre of skills, training, qualifications and accreditations, giving you the peace of mind that all work is carried out by a fully capable team without exception. 

A large group  with the personal touch 

A large group with the personal touch 

Despite our size, we’re committed to providing the personal service of a local company. This means that when you choose The National Waterproofing Group, you receive attention to detail, expert advice, the highest standards of service delivery and genuine care in equal measure. 

Our individual members are 

Our individual members are 

APP Protect 

APP Protect 

For over 50 years, APP have been working with homeowners, landlords, estate agents, housing associations, builders and architects in the Cambridgeshire area. 

Services 

Damp Control, Timber Treatment, Structural Repair, Structural Waterproofing, Residential Ventilation, Ground Gas Protection 

Address 

Unit 12, Barnwell Business Park, Barnwell Drive, Cambridge, CB5 8UY 

Cellar-Tec 

Cellar-Tec 

Cellar-tec are an accomplished, family-run business, with specialist expertise in basement conversions, waterproofing and structural alterations. Our specialist knowledge and experience affords us the confidence to issue long-term guarantees. 

Services 

Damp Control, Timber Treatment, Structural Repair, Structural Waterproofing, Residential Ventilation, Ground Gas Protection 

Address 

Kilrot/cellar-tec, 928 Foleshill Road, Coventry, West Midlands, CV6 6GS 

Cook Group 

Cook Group 

Cook Group Ltd are a family run business that was established in 1974. We are one of the UK’s leading Structural Waterproofing and Ground Gas Protection installers. 

Services 

Ground Gas Protection, Structural Repair, Structural Waterproofing 

Address 

Cook Group, Foss House, 2 Pearson Way, Clough Road, Hull, HU6 7Q 

Guardian Waterproofing 

Guardian Waterproofing 

Guardian Waterproofing have over 40 years’ experience keeping commercial buildings watertight. We offer award-winning solutions for retail outlets, public sector buildings, listed and historic buildings, social housing and new builds. 

Services 

Damp Control, Timber Treatment, Structural Repair, Structural Waterproofing 

Address 

Guardian House, 77B Queens Road, Cheltenham, GL50 2NH 

Marsden Damp Services 

Marsden Damp Services 

Our focus is on our core business of property preservation, providing a first class service in damp proofing, timber treatment, below ground waterproofing, condensation control, water ingress, and wall ties. 

Services 

Ground Gas Protection, Damp Control, Timber Treatment, Structural Repair, Flood Restoration, Structural Waterproofing, Flood Protection, Invasive Weed control, Residential Ventilation 

Address 

Unit 10, Baird Close, Washington, Tyne & Wear, NE37 3HL 

PRS 

PRS 

Professional Remedial Services (PRS) was established in 1981 and undertakes work to existing and new build construction throughout the region including Manchester, Lancashire, Cumbria and Cheshire. 

Services 

Structural Waterproofing, Ground Gas Protection, Damp Control, Timber Treatment, Structural Repair 

Address 

Unit 8 Parkside Ind Est. Edgelane Street, Royton, Oldham, OL2 6DS 

RTC Group 

RTC Group 

Founded in 1990, RTC are multi award winners in the building preservation industry and the highest rated Remedial Treatment Specialist on the Fylde Coast. 

Services 

Damp Control, Timber Treatment, Structural Repair, Flood Restoration, Structural Waterproofing, Flood Protection, Invasive Weed control, Residential Ventilation, Ground Gas Protection 

Address 

RTC House, 25 Palmer Avenue, Blackpool, Lancashire, FY1 5JP 

YDC 

YDC 

YDC Group provides specialist construction and maintenance services throughout Yorkshire. We have been converting basements, waterproofing structures and making cellars dry since 1991. 

Services 

Ground Gas Protection, Damp Control, Timber Treatment, Structural Repair, Flood Restoration, Structural Waterproofing, Flood Protection, Residential Ventilation, Pump Installation & Servicing 

Address 

Unit F2 WIRA Business Park, Ring Road, West Park, Leeds, LS16 6EB 
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