Newton Tier 1 Specialist Basement Contractor

Structural Waterproofing

At Complete Basements, we bring a corporate approach and professionalism to both commercial and domestic projects, delivering exceptional structural waterproofing services at affordable price points.

Newton Tier 1 Specialist Basement Contractor

Complete Basements Ltd is proud to be an approved Newton Membrane basement waterproofing contractor. Established in 1848, John Newton & Company is a market leader in the UK for damp proofing and structural waterproofing solutions, including basement waterproofing and pumping products.

This ensures you receive a top-quality service using the best professional basement waterproofing solutions available.

From your initial enquiry to project completion, our team ensures full support throughout the process, providing you with 100% confidence in partnering with us for your waterproofing solutions. We literally guarantee it.

Newton Waterproofing Logo

Guaranteed Waterproofing Solutions With a Newton Specialist Basement Contractor

Newton Specialist Basement Waterproofing Contractors are an elite group of professionals who partner with John Newton to deliver top-tier products, design, and installation for both domestic and commercial basement waterproofing.

Established in 2003, the NSBC scheme addresses the influx of inadequate contractor schemes that eroded client confidence in achieving dry basements. Members of this scheme adhere to strict criteria, demonstrating exceptional workmanship and technical excellence unmatched in the industry.


NHBC Approved Contractors

The National House Building Council (NHBC), established in 1936, is the UK’s leading provider of warranties and insurance for new homes. Their primary product, NHBC Buildmark, offers up to 10 years of protection against defects and structural damage. NHBC sets rigorous technical standards for home construction and conducts regular inspections to ensure compliance, aiming to minimize the risk of defects. They also provide extensive training and support to builders and developers, promoting high standards of construction quality, and offer consumer advice and a resolution service for disputes regarding defects.

NHBC’s influence as the largest provider of new home warranties in the UK sets benchmarks for the entire housing market, fostering improved quality and safety in home construction. Their accreditation is a mark of reliability in the industry. By investing in research and development through the NHBC Foundation, they advance construction methods and sustainability. NHBC’s efforts provide homeowners with peace of mind and maintain consumer confidence in new home construction.


QANW Insurance Backed Guarantee

Complete Basements Ltd, a leading provider of basement conversions and waterproofing solutions, offers customers added peace of mind through their QANW Insurance Backed Guarantee. This guarantee ensures that any work carried out by Complete Basements Ltd is protected even in the unlikely event that the company ceases to trade. The QANW (Quality Assured National Warranties) Insurance Backed Guarantee is a hallmark of reliability and professionalism, providing coverage for structural waterproofing and conversion projects for up to 10 years. This guarantee means that customers can confidently invest in basement renovations, knowing that their investment is secure and that any defects or issues will be addressed promptly and effectively.

The QANW Insurance Backed Guarantee offered by Complete Basements Ltd is not just a safety net; it is a testament to the company’s commitment to quality and customer satisfaction. It reassures clients that the materials and workmanship involved in their basement projects meet the highest industry standards. By partnering with QANW, Complete Basements Ltd aligns itself with an organisation renowned for its stringent vetting process and dedication to upholding robust standards of practice. This partnership ensures that clients receive not only expert craftsmanship but also comprehensive aftercare, reinforcing Complete Basements Ltd’s reputation as a trustworthy and customer-focused company in the basement conversion industry.

In-House Expertise with Complete Basments Ltd

Our in-house CSSW (Certified Surveyor in Structural Waterproofing) technical design team provides complete designs covered by Professional Indemnity (PI) insurance, adhering to BS812:2022 standards for protecting below-ground structures against water ingress.

Structural Waterproofing Systems: Installation of Type A, B, and C systems, along with combined systems to ensure robust protection.

10-Year Installation Guarantee: Assurance of quality and durability with every installation.

Detailed Estimation: We provide full estimation services and QS-level quotations with detailed methodologies.

End-to-End Management: From initial design to installation, completion, and sign-off, our projects are fully managed to ensure seamless delivery.

Choose Complete Basements Ltd for your basement waterproofing needs and experience unparalleled professionalism, reliability, and excellence. Contact us today to discuss your project and secure your property against water ingress with confidence.

What are the Benefits of Basement Waterproofing?

Reduced risk of water damage: Water damage can weaken the foundations of your home, which can lead to costly repairs. Water damage costs have a wide range, with estimates between £500 and £5,000. Whereas basement waterproofing costs are in the range of £300 to £600 per square metre.

Mould and mildew reduction: Mould can be a common problem for most homes, and it can cause several health problems. It can cause severe allergic reactions and aggravate asthma. Basement waterproofing prevents the growth of mould and mildew, ensuring a healthier living environment.

Structural integrity: Waterproofing basement walls, both from the inside and outside, can increase the structural integrity of your property and enhance its value. The best basement waterproofing practices also contribute to energy savings by eliminating moisture, which can affect the home’s heating and cooling efficiency.

When would you need to Waterproof Your Basement?

Waterproofing your basement is necessary when you notice any signs of water penetration, dampness, or if you’re in the process of building a new home. Conditions such as living in a high rainfall area, having a basement below the water table, or if you’ve experienced basement flooding in the past, necessitate considering basement waterproofing. Services like interior waterproofing and exterior foundation waterproofing, during the construction of new property can prevent water damage problems later on.

Why isn't this A DIY Job?

Basement waterproofing, particularly tasks like waterproofing exterior cinder block walls, involves complex processes that require professional expertise. The reason you will find “basement waterproofing companies near me”, is they have the necessary equipment and materials, such as basement waterproofing sealer. Our expertise ensures that the job is done correctly. DIY attempts can often lead to incomplete coverage or improper installation, leading to more significant issues down the line; incurring more costs.

What Else Does Complete Basements Ltd Offer?

Besides basement waterproofing, Complete Basements Ltd offers a comprehensive range of services aimed at transforming your basement into a functional and valuable space. Our offerings include basement conversions, renovations, and installations of sump pumps and sump waterproofing systems. Tailoring everything to meet your specific needs and enhance your property’s value and utility.

How do you Maintain Basement Waterproofing?

Maintaining your basement’s waterproofing involves regular inspections to ensure the integrity of the waterproofing systems. Checking for any signs of leakage, including in your sump water proofing systems; ensuring they are functioning correctly. Applying additional basement waterproofing sealer as needed are part of the routine maintenance.

Why choose Complete Basements Ltd?

Choosing Complete Basements Ltd for your basement waterproofing needs means opting for a company with a proven track record. Our team of basement waterproofing consultants and contractors brings years of experience and dedication to every project. Locations include most of the West Midlands & South Warwickshire; serving areas such as Dorridge, Lapworth, Solihull, Wootton Wawen, Henley-in-Arden, Stratford-upon-Avon, Birmingham, Leamington Spa and Warwick.