The Balustrade Specialists

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‘I highly recommend ISW, and I can assure you they will not let you down. From start to finish, their proactive and helpful approach made a real difference to our project.
Throughout the process, their site management was excellent—approachable, knowledgeable, and always ready to collaborate.
Financially, ISW was fair and reasonable, keeping variations to a minimum by focusing on mitigation first.

JamesContracts Manager - Bulb Interiors

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ISW were appointed quite late in the project due to issues with a previous contractor. Despite this, they were able to mobilise to achieve dates that were critical to the project programme. They were helpful in developing details with both 8build and the architect during the installation process. Workmanship is to a good standard and as a result they have been awarded further fit out work within the same building.

George AdamsConstruction Manager – 8 Build

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ISWUK are a valued partner of AliDeck and working with them on 3 Sheldon square, Paddington was a pleasure. ISWUK played an integral role in the design and installation of the decking and other metalworks across the beautiful terrace areas situated in the heart of a bustling Paddington. When 8 Build asked me for one of our best installers on this project, it was an easy decision. The team are incredibly professional and their attention detail and craftmanship is second to none. I look forward to working with the team at ISWUK on our next collaboration.

Louis TaylorSales Manager – AliDeck

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Working with ISW was a pleasure from start to finish, both in terms of the team and the end product. Site management were accommodating, especially given the challenges a new build site throws up.

Aaron Smart-woodProject Manager – Gravel Rock Ltd

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Interstellar were very professional in every way. Hard working, efficient, safety conscious, diligent and polite. The work they installed was not small and needed to be installed in a relatively small confined space. IT was nice to work along side such a professional team who understood the requirements of the customer. I was so impressed with the work carried out I have requested their skills for all future jobs that require their expertise.

SR Carpentry

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I am absolutely delighted with the stairs – they complete my house and are such a wonderful addition. Working with the team at ISW has been stress free and enjoyable; they have been highly professional at all times and have responded quickly to any questions I had during the design, build and installation process. I would have no hesitation recommending them.

SarahBespoke Spiral Stair - Private Residential

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Working with ISW on this project was a pleasure from start to finish, both in terms of the team and the end product. Site management were particularly accommodating and easy to work with, especially given the challenges a new build site can throw at contractors.

Brielle HillamBusiness Building Project

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We have been supplying and working with Interstellar for some time now and are always comfortable to recommend them as one of the best installation companies we have come across in the UK for balustrades.

Gary DeanDirector – OnLevel