Basement Conversions

Converting a disused or flooding cellar, or basement to a new wine cellar or office? Or needing extra rooms for new arrivals?

Maclennan-LSE can do these for you, every month we convert unused damp or flooding basements into basement gyms, cinemas swimming pools, we convert cellar into bedrooms, flats kitchens etc and Maclennan-LSE can make sure your basement / cellar will be permanently watertight.
We will either make a site visit, design you a specification and quotation to suit your needs or work off previously generated architectural plans which you can send by email.
When we come to the site to design your waterproofing system, we will supply you with a comprehensive report and drawings to show you exactly what we propose to do. If we carry out the work we will accept the design liability.

Maclennan-LSE have a number of ways of waterproofing basements and cellars. The cavity drain membrane system is one example and requires very little preparation as it is mechanically fixed and not designed to come under water pressure. However, if the basement / cellar is tanked this would cause additional stresses to the walls from hydrostatic pressure and this could lead to the tanking system failing. Maclennan has the experience and knowledge to know exactly which system will fit and work best for you.

The good thing about our systems is that when the membrane has been installed, no additional stresses are caused because we are allowing the water to come through the wall,

down the membrane into a channel where it with either be pumped away using a sump and pump with battery back up or it will naturally feed into a soak away. The channel is critical and yet a great many systems are installed without the channel so are not serviceable and do not comply with BS8102.

Once the membrane has been installed on the floor and walls, you then get a choice of how you want it finished, whether it's a standard screeded floor and dry lined walls to under floor heating and fancy marble faced block-work. Maclennan-LSE can cater for all needs and requirements. We also specialise in sympathetic historical building waterproofing. You can click here and find out more.

Maclennan-LSE is renowned in the country for excellent customer service and attention to detail. We offer a membrane system that comes with a quick installation to allow complete conversion on time and on budget. Contact Maclennan-LSE now and let us handle your basement waterproofing. We are confident in our services and have been for the past 30 years. To prove this, we offer a rolling 10-year insurance backed guarantee which covers design, installation and materials. Most guarantees are from manufacturers and do not cover design or installation. The Maclennan-LSE guarantees give you complete cover and peace of mind.

Maclennan-LSE are accepted by banks and mortgage lenders and insurance companies nationwide. What else are you waiting for?

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We work in: London, Surrey, Wiltshire, Hampshire, Avon, Kent , Sussex, Dorset, right across the South of England and all over the UK.

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