Transform Your West London Home with Stylish and Practical House Extensions
Welcome to HMC1 Ltd’s house extensions London services — your trusted destination for expert home extensions, loft conversions, and renovation solutions across West and North-West London.
For years, we’ve proudly served homeowners in Wembley, Greenford, Northolt, Harrow, Acton, and Perivale, building a reputation for excellence, craftsmanship, and reliability.
Our dedicated team of architects, designers, and builders is committed to transforming your property with stunning, functional extensions tailored to your needs. Whether you’re dreaming of a larger kitchen, an open-plan living area, or a double-storey addition, we’re here to bring your vision to life with precision and care.
West London offers the best of both worlds, a mix of peaceful, suburban neighbourhoods and excellent city connections. With growing families and rising property prices, house extensions in London have become a practical, value-boosting solution for homeowners looking to create extra space without moving.
Our work across Wembley, Greenford, Northolt, Harrow, Acton, and Perivale reflects the diversity of West London homes from classic semi-detached houses to modern builds. Every project we handle is unique, designed to complement the property’s architecture and enhance everyday living
At HMC1 Ltd, we design and construct fully bespoke extensions that fit your property and lifestyle. Whether you need extra living space, a new bedroom, or a larger kitchen, our design team works closely with you from the first consultation to completion.
We manage every aspect of your project in-house, from architecture and planning to interior design in London and final construction. Our attention to detail ensures a smooth experience and a beautiful finish every time.
At HMC1 Ltd, we’re known for our transparent approach, creative designs, and reliable delivery. Every project is handled by experienced professionals who ensure your home extension meets building regulations, stays on schedule, and remains within budget.
Here’s why homeowners across London choose us:
Whether you own a period property in Harrow, a modern semi in Acton, or a detached home in Wembley, our creative designers will help you make the most of your space. We’ve created everything from bright kitchen extensions and glass garden rooms to luxurious double-storey additions.
Our in-house interior design London team can elevate your new space with thoughtful lighting, premium materials, and elegant finishes. We also offer sustainable options energy-efficient glazing, smart insulation, and eco-friendly materials, to reduce long-term costs.
For more inspiration, you can explore our completed projects gallery to see how we’ve helped homeowners across West London transform their living spaces.
A house extension in London typically starts from £40,000, depending on size, design complexity, and materials.
At HMC1 Ltd, we offer free site surveys and detailed quotes, ensuring complete transparency before any work begins. Our team will assess your property, discuss your goals, and provide a fixed-price proposal tailored to your requirements.
We’ve helped hundreds of homeowners across West London enhance their properties through smart, space-efficient, and beautifully finished house extensions.
If you’re considering a house extension in London, a loft conversion, or an HMO conversion, our friendly team at HMC1 Ltd is ready to help.
We’ll guide you through every step from planning and design to construction and finishing, making the process smooth and enjoyable.
With 15+ years of experience, we specialize in loft conversions, roofing, and garden rooms. As a family business, we focus on quality, clear communication, and client satisfaction.