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Unbloc Drainage Engineers Limited is 40 years old this year - Keeping Compliant to GPDR - see our Privacy Policy on-line or available by email on request - Unbloc and Drain Services are on call 24 hours a day, 7 days a week, every day of the year


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About Us

Unbloc Drainage Engineers Ltd. are one of Londons only independently owned Drainage Company. Founded by the Marshall’s in 1979, and run by Paul Stuart Marshall for over 30 years, Unbloc have been providing drainage solutions for decades and enjoys hundreds of satisfied customers that have consistently used us since we started as a one man, one jet operation. Our clients appreciate that we combine our professional expertise with our family-owned ethics, which run deep throughout the firm. Each customer benefits from receiving a personal approach that is unique in this industry.

Over the years we have grown organically to match our clients and the market’s needs. This means that we have always had to be on the front line of technology, using the very latest equipment and techniques. Our cutting edge approach also includes ensuring that our staff are fully trained and expert in all that they do.

There is nothing more important to us than our customers’ satisfaction. All our engineers use their years of experience to think on their feet and provide the best possible solution to even the most challenging of problems.

With over 35 years of service to the drainage industry, looking after some of the most prestigious sites throughout London and the Home Counties, Unbloc are the company that you can trust. We have always been competitively priced and all maintenance contracts/installations quotations are available free of charge.

Drain Services and Unbloc are ISO 19001:2008 and BSOHSAS 18001:2007, and has CHAS.

Contact us today for all your drainage needs.

Contact Us

020 8961 2514 / 2504 Emergency 24hrs: 07836 610 554


Units One and Two, 86 Goodhall Street, Park Royal, London NW10 6TS

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