Basement Waterproofing

As an independent company, we can choose the appropriate products to suit the large variety of properties we are called on to waterproof.

MacLennan design, supply, and install waterproofing systems across London and the rest of the UK that comply with BS8102 and all third party warranty provider's requirements.

We can save money and protect clients with expert basement waterproofing design.

The following pages will set out your options for combining systems for the type of basement construction you are considering.

To comply with British Standard BS8102 and Third-party warranty providers you need to work with a CSSW qualified design team with suitable experience. MacLennan work with many of the market leading engineering and architecture practices in the UK to design best practice, best value guaranteed basement solutions. 

The waterproofing design team sitting around the table
The waterproofing design team

What are you looking to waterproof?

New Builds

New Builds

A new build residential structure or basement of any construction & size

Concrete & Deck

Concrete & Deck

Concrete decks above basements or flat roofs

Leaks & Floods

Leaks & Floods

Solutions for leaking, flooding or cracked below ground structures / basements

Commercial Buildings

Commercial Buildings

Hotels, Office blocks, Stadiums, Carparks & Multi story basements

Historic Structures & Basement Conversions

Historic Structures & Basement Conversions

A basement / cellar conversion under an existing property

Gas Proofing

Gas Proofing

Gas proof your basement to prevent Radon, Methane, Carbon Dioxide and any other ground gases.

Get in touch with our technical team today!

MacLennan have been experts in designing, installing, and guaranteeing systems for over 30 years.

Waterproofing systems designed and installed by MacLennan are covered by £10 million PI.

MacLennan work with main contractors and developers to deliver projects under the latest HSE regulations, on time and fully guaranteed using our own fully employed, experienced and qualified workforce of waterproofing technicians.

It’s important that your waterproofing solution is BS8102 compliant. Read our BS8102 Guidance for Compliance.

In need of a specification for a project?

Upload your plans and a brief description of the project and a member of our team will get in touch!

In need of a quick spec?

Your details

Project Details

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Why should I work with MacLennan?

WE’RE INDEPENDANT

We Design, supply and install. There's no split responsibility with MacLennan.

WE’RE PASSIONATE

MacLennan live and breathe waterproofing, have a look at one of our free CPD seminars and find out!

WE’RE GUARANTEED

MacLennan has the most comprehensive guarantees and insurances in the industry.

What are the main causes of water in the basement?

Related Projects

We have been entrusted with significant contracts such as The Houses of Parliament, Kia Oval, Olympic Park Media Centre, Hilton Hotels, Barratt Homes Head offices and hundreds of high end residential properties.

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Get in touch!

Ready to start a project or require more information about us?
Call us about your project or problem and we will be happy to help.


Call us today on:

0845 658 7777
Or email us here