basement conversion and construction london

    Expert Basement Conversion and Construction in London

    At Callender Howorth, our forte lies in transforming London basements into remarkable spaces. With an illustrious portfolio spanning numerous successful projects, our expertise extends across diverse underground transformations – from traditional cellars to opulent living spaces, each tailored to reflect our clients’ individual tastes and needs.


    Innovative Design and Client-Centric Approach

    We prioritise innovative design concepts that harmonise seamlessly with your vision. Collaborating closely with our clients, we delve into your desires, aspirations, and lifestyle preferences to craft a space that not only meets your specifications but exceeds your expectations.


    Seamless Project Management

    Our commitment to delivering exceptional results is underlined by our adept project management skills. From concept to completion, our dedicated team ensures a smooth, hassle-free experience. We work diligently to meet project timelines and financial benchmarks without compromising on quality.


    London’s Basement Regulations: Our Expertise

    Navigating the regulatory landscape of basement conversions in London, especially in the stringent Kensington and Chelsea boroughs, demands a nuanced understanding. Our seasoned professionals possess an in-depth knowledge of local regulations and are adept at obtaining necessary planning permissions, ensuring your project adheres to legal norms.


    Quality Craftsmanship, Timely Delivery

    With a legacy of over two decades, our commitment to excellence remains unwavering. We pride ourselves on meticulous attention to detail, premium craftsmanship, and timely project delivery, offering a fusion of style, functionality, and durability in every basement transformation we undertake.


    Transform Your Basement Today

    Discover the possibilities of transforming and renovating your basement in London. Whether in Chelsea, Kensington, or beyond, our expert team stands ready to turn your underground aspirations into a tangible, stunning reality. Connect us today at +44 (0) 20 7336 8560 to embark on your basement renovation journey.


    Why work with us

    Over 20 years’ experience designing award winning homes

    Unique and personal approach to interior design ensuring that our clients homes reflect their personalities

    In-house Stylists that source the latest and most exciting products globally

    Leaders in smart home technology and the latest “must have” audio visual elements for the home

    Dedicated Project Managers that ensure all projects are to budget and on time

    A fun team that loves what we do!

    From clients

    Just want to say a big thank you to everyone at Callender Howorth. We love our new home and you made the whole renovation go so smoothly and finished dot on time for the birth of my daughter! Especially thanks for the quirky design ideas that really have made our new home so special.

    Our villa in the hills of Nice is perfect!!! Thank you all at Callender Howorth. We loved working with you so much and will miss the “rose fuelled” design meetings! Merci Beaucoup