10 London Renovation Companies to Compare in 2026
- Dec 23, 2025
- 3 min read
Updated: 5 days ago
There is no independent league table that can identify the best renovation company for every London home. Firms differ in scale, service model, geography and project type. A townhouse refurbishment, a listed mansion, a super-prime apartment and a large residential development do not require the same team.
This guide therefore treats ten established names as a research shortlist, not a paid ranking. It uses information published by the companies themselves and then explains the evidence a homeowner should compare.
Ten established names in London's premium residential market
1. NU Projects
NU Projects is a West London design-and-build company coordinating architecture, interior design, quantity surveying, MEP, construction and aftercare. The company has operated since 2010 and focuses on private residential renovations, extensions and basements. Review the NU Projects portfolio.
2. Rigby & Rigby
Rigby & Rigby describes itself as a multidisciplinary ultra-prime studio with architecture, interiors, construction, development management and private-client services.
3. Finchatton
Finchatton operates across design, construction, private homes and large prime residential developments, with a portfolio that includes major London addresses.
4. Banda
Banda combines property search, development, project management and interior design for high-end homes and developments.
5. London Projects
London Projects specialises in super-prime residential refurbishment in Prime Central London and works as a construction and delivery partner.
6. Minale + Mann
Minale + Mann offers architecture, interior design and an integrated Create & Construct service for high-end residential projects.
7. houseUP
houseUP presents an integrated London home-renovation service covering design, planning and construction.
8. Walter Lilly
Walter Lilly is an established contractor associated with complex high-quality projects, including private residential work.
9. Vascroft
Vascroft is a London contractor active across residential, hospitality and other construction sectors.
10. Knight Harwood
Knight Harwood is a main contractor delivering new build, structural refurbishment and fit-out work, including private homes and historic projects.
How to compare firms fairly
A famous name is not automatically the right delivery model for a private home. Ask each shortlisted company to explain the exact people, responsibilities and evidence relevant to your project.
Comparable completed projects and client references
Who owns architecture, interiors, cost and construction risk
How the budget develops and which allowances remain provisional
Who coordinates structure, MEP, joinery and specialist systems
How changes are priced and approved
How site quality, commissioning and documentation are recorded
What aftercare is included after handover
Integrated design and build or separate appointments?
Some clients prefer an architect-led tender with a separate contractor; others value one accountable design-and-build team. The right answer depends on the brief, but responsibilities must be explicit. Read Architect vs Design & Build: Which Should You Choose? for a balanced comparison.
Why NU Projects may suit a West London homeowner
NU's model is deliberately integrated and senior-led. Architecture, cost planning, technical coordination, construction and aftercare sit within one route, with a focus on prime residential projects rather than volume delivery. That can be particularly valuable where the client wants early cost input and a single point of accountability.
See the £1.44m Chelsea house renovation for a completed example of NU Projects’ residential delivery.
Frequently asked questions
Is this an independent ranking?
No. It is a research shortlist compiled by NU Projects from public company information. Homeowners should conduct their own checks and appoint against their specific brief.
Should I choose the lowest quotation?
Not without confirming that every company has priced the same scope, specification, responsibilities, allowances and exclusions.
What matters most for a complex renovation?
Relevant evidence, named leadership, technical coordination, transparent cost control, disciplined change management and dependable handover.
Compare NU against your brief
If you are planning a substantial London renovation, book a private consultation with NU Projects and ask us the same questions you ask every shortlisted firm.
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