House Extensions, Loft Conversions & Property Renovations Across London
Artemis Construction delivers professionally managed house extensions, loft conversions, property renovations and building services across London, helping homeowners, landlords and property investors improve and add value to their properties.
Based in Ealing, we work throughout West London, Central London and surrounding areas, providing quality workmanship, transparent quotations and fully managed projects from initial consultation through to final completion.
Artemis Construction is a professional builder London homeowners and businesses trust for high-quality construction, renovation and refurbishment services. We work on a wide range of residential and commercial projects, helping clients improve, extend and add value to their properties.
Our experience spans house extensions, loft conversions, structural alterations, property refurbishments, kitchen renovations, bathroom installations and complete building projects. Whether we’re modernising a period property in West London or carrying out a large-scale refurbishment for an investment property, our focus remains the same: delivering practical solutions, quality workmanship and reliable project management.
Unlike contractors who only manage part of a project, we coordinate every stage of the build. From initial planning and structural works through to plumbing, electrical installations and final finishes, clients benefit from a streamlined process and a single point of contact throughout.
Serving Ealing, West London and nearby areas
Extensions, renovations and refurbishments across London


Whether you’re extending your family home, upgrading an investment property or planning a complete refurbishment, Artemis Construction provides a complete range of construction services throughout London.
We undertake new builds, structural alterations, steel beam installations, brickwork, foundations and general construction projects for residential and commercial properties.
Explore Building ServicesOur team designs and builds house extensions, loft conversions, garage conversions and basement conversions that create additional living space while increasing property value.
View Extensions & ConversionsFrom full house renovations to buy-to-let refurbishments and commercial upgrades, we help transform properties into functional, modern spaces.
See Renovation ServicesWe create high-quality interiors through kitchen installations, bathroom renovations, bespoke joinery, flooring, decorating and finishing works.
Discover Interior ServicesProtect and enhance your property with roofing services, window installations, doors, landscaping, driveways and external improvements.
View Roofing & External WorksComplete plumbing, heating, electrical and maintenance services delivered by experienced professionals.
Explore Maintenance ServicesChoosing a construction company is about more than finding a contractor. It is about selecting a team capable of delivering your project safely, efficiently and to a professional standard.
Our projects are completed by experienced tradespeople committed to achieving high standards of workmanship.
As a trusted building contractor London, we understand the planning, logistical and construction challenges associated with London's diverse property types.


We discuss your ideas, requirements, budget and objectives while assessing the scope of works.

You receive a clear, itemised quotation outlining costs, project stages and expected timescales.

Our team carries out the works using qualified tradespeople, professional supervision and strict quality control procedures.

Once the project is complete, we carry out final checks and ensure everything meets the agreed specification before sign-off.

Based in Ealing, Artemis Construction provides building and renovation services throughout London and surrounding counties.
We regularly undertake projects across:
We also serve clients throughout Surrey, Berkshire, Hertfordshire, Buckinghamshire, Essex and Kent.
Whether you require a property renovation London, home extensions London, loft conversions London or complete building services, our team is ready to help.

The cost of a house extension depends on factors such as size, design, specification, structural requirements and site access. Following an initial consultation, we provide a detailed quotation tailored to your specific project.
"We appointed Artemis Construction for a rear extension and complete ground floor renovation in Ealing. Communication was excellent throughout the project, and the finished result exceeded our expectations."
"Our buy-to-let property required a full refurbishment before new tenants moved in. The team completed the work efficiently and kept us informed at every stage."
"The loft conversion added a substantial amount of usable space to our home. The project was organised professionally and completed to a high standard."
"We used Artemis Construction for structural alterations, electrical upgrades and decorating works. Everything was completed on time and exactly as agreed."
Contact our team today to discuss your project and arrange a free consultation and quotation.
Artemis Construction: Ealing Park Gardens, London, W5 4ET