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Expert Property Refurbishment & Renovation Services in London
S D A Build London has established itself as a trusted name in property refurbishment and renovation across London. With over 120 completed projects in 12 years, the company combines decades of industry experience with a commitment to excellence. Led by founder Samir 'Sammy' Ene, the team specialises in transforming properties through bespoke solutions, including loft conversions, basement developments, and luxury home renovations. Their approach integrates architectural design, interior styling, and construction expertise to deliver end-to-end services tailored to client needs.

Recognised for their meticulous attention to detail, the company holds accreditations with the Federation of Master Builders and adheres to rigorous health and safety standards. Operating across prime London areas such as Chelsea, Kensington, and Fulham, S D A Build London has earned multiple industry awards, including Property Refurbishment Company of the Year. Client testimonials highlight their reliability, transparent communication, and ability to complete complex projects within budget and timeframe while maintaining exceptional craftsmanship.
Services
Property Refurbishments Loft Conversions Kitchen Extensions House Extensions Basement Conversions Property Renovations Architectural Services Luxury Building Services
Highlights and features
  • Award-winning basement conversion specialists with 12+ years' experience
  • End-to-end service from design to completion
  • Proven track record with 120+ successful London projects
  • Committed to highest standards of craftsmanship and client satisfaction
  • Experienced team with health and safety certifications
Associations and certifications
  • Federation of Master Builders
What people say
Award-winning specialists Delivered within budget Highest standards Excellent finish Highly recommend
Services
Loft Conversions
Transform your unused loft space into functional living areas with our expert conversions. We specialise in dormer extensions, roof height increases, and structural redesigns to create bedrooms, offices, or entertainment spaces. Our team manages planning permissions, structural engineering, and interior finishes to ensure seamless integration with your existing property while maximising value and usability.
Basement Conversions
Create valuable living space beneath your property with our specialist basement conversions. We handle excavation, waterproofing, and structural reinforcement to transform existing cellars or create new subterranean spaces. From home gyms to luxury wine cellars, our solutions incorporate natural light wells, ventilation systems, and bespoke finishes while complying with all regulatory requirements across London's conservation areas.
Property Renovations
Preserve historical character while modernising period properties through our sympathetic renovation services. We specialise in listed building conservation, structural repairs, and contemporary updates that maintain architectural integrity. Our comprehensive approach covers planning submissions, damp treatment, and energy-efficient upgrades, ensuring period homes gain modern comforts without compromising their heritage features.
Luxury Building Services
Realise extraordinary home transformations with our bespoke luxury building solutions. We create unique features like underground car parks with elevators, temperature-controlled wine cellars, and eco-friendly smart homes. Our team collaborates with premium suppliers and specialist contractors to deliver custom-designed spaces that combine cutting-edge technology with opulent finishes for London's most discerning property owners.
Architectural Services
Integrate structural innovation with aesthetic appeal through our architectural design services. We provide planning permission support, 3D visualisations, and building regulation compliance for extensions, new builds, and complex renovations. Our in-house architects work alongside interior designers to ensure cohesive layouts that optimise space functionality while meeting all technical requirements for London properties.
People
Samir Ene
Founder & Director
With over two decades in the building industry, Sammy established S D A Build London to deliver premium property transformations. His leadership has earned multiple industry awards, including Property Refurbishment Company of the Year. He personally oversees major projects, ensuring exceptional standards across London's most prestigious developments.
Questions
Do I need planning permission for property extensions?
Many extensions fall under permitted development, but we'll confirm requirements and handle all council submissions for you.
Can I live in my home during renovations?
In most cases yes - we implement measures to minimise disruption while maintaining safe working environments.
How long do basement conversions typically take?
Most projects take 12-20 weeks depending on complexity, with clear timelines provided before commencement.
Are your builders certified for listed buildings?
Yes, we have specialist experience working with period properties and listed buildings across London.
What areas do you cover?
We operate throughout London, with particular expertise in Chelsea, Kensington, Fulham, Putney, and Richmond areas.
Do you offer design assistance?
Our in-house architects and interior designers provide full design services from concept to completion.
Reviews (2)
Guillaume D.
Aug 24, 2019 Report
The SDA team that worked on the comprehensive refurbishment and extension of my home in SW London was a fantastic bunch! I could see first hand the works done on site and the high standards SDA are striving for. They were very professional, courteous and good communicators. I would recommend them without hesitation.
Colony Architects
Jul 14, 2019 Report
Great company - Sammy and Dmitru were brilliant and produced fine work under difficult conditions. We are always looking for future projects to work with SDA on - highly recommended.