Renovation of commercial building, design & build London
KOMBI Design & Build logo in orange text with a black background.

Your single, trusted partner for bespoke residential and commercial building projects across London and the South East.

Kombu Design & Build is a London and South East England–based design and build practice, specialising in bespoke home refurbishments, extensions, and carefully delivered commercial projects. Founded by a RIBA Chartered Architect, and a Structural / Civil Engineer, Kombu Design Build is uniquely positioned to guide projects seamlessly from initial concept through to completion, offering an integrated approach that unites design vision with construction expertise during every stage of the project. We collaborate with homeowners, developers, businesses, and charities to deliver quality-led, sustainable, and cost-effective solutions through a transparent, technology-driven approach. With extensive experience in retrofitting a wide range of buildings, we take pride in crafting thoughtful, responsive solutions—particularly within conservation areas and for listed properties.

OUR SERVICES

  • A man is working on architectural blueprints at a desk, with a ruler and a pen.

    Design & Planning

    Our in-house design team delivers comprehensive RIBA Stages 1–7 architectural services, co-ordinated structural and civil engineering and detailed cost estimating. Through our wider design network, we also provide specialist expertise in interior design, landscape and garden design, and MEP services.

  • Construction site on a rooftop with wooden framing and a partially built balcony, with brick houses and trees in the background.

    Construction & Site Management

    Led by our dedicated project managers, our construction service is delivered by a skilled, reliable site team who translate design into built reality. We work in close partnership with our clients to ensure each project is executed with care, delivered on time, and controlled within budget.

  • A bedroom with white walls, a bed with beige linens, a large white wardrobe with multiple doors, a ceiling light, a wall-mounted light, a hanging plant, a colorful abstract painting on the wall, and an open door leading to a dining area with a table and chairs.

    Bespoke Fit-outs

    Our bespoke joinery, kitchen, and fit-out service combines design expertise with fine craftsmanship to create intelligent, beautifully finished spaces. From custom storage and staircases to kitchens and bathrooms, we deliver tailored solutions built to the highest standard.

  • Street view of a building with a storefront on the ground level and residential apartments above, with a tree in the foreground.

    Commercial services

    We offer services for commercial fit-outs and change-of-use projects for cafés, clinics, offices, gyms and retail spaces. We support clients from lease signing to opening day, handling Licence to Alter packs, Building Control compliance, and services coordination. Our focus is on clear, buildable design, risk reduction, and keeping projects moving so businesses can open smoothly and on time.