Create More Space with Ease
At Nilo Construction, we help London homeowners create more space in their homes. With over 15 years of experience and hundreds of successful projects, we are known for our craftsmanship, reliability, and exceptional service. We specialize in Rear Extensions, Side Return Extensions, Wrap- Around Extensions, Kitchen Extensions, Loft and Garage Conversions, Basement conversion. From the first idea to the final touch, we handle everything to make your home extension dream come true.
Our Completed Projects
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50,000+ hours on lofts, extensions, and renovations
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27,000+ m² drywall, 2,500+ m² tiling, 2,000+ windows installed
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60+ tons of waste safely disposed
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17+ km of cabling, 250 m³ concrete, 800+ doorways reinforced
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10+ tons of materials carried by hand — no shortcuts
What is House Extension?
Premium Quality- Home Extensions in North and West London
Living in London is great, but space can be tight. Buying a bigger home is often too expensive. That’s where we come in! With a home extension, you can add more room to your current house without the stress of moving.
Whether you need a bigger kitchen, an extra bedroom, or a cozy living area, we’ve got you covered. Our team will work with you to design and build the perfect extension for your home.
How We Can help
Our Services
Creating more space at home has never been easier. Whether it’s a bigger kitchen, a cozy new living area, an extra bedroom, or a home office, a well-planned extension transforms everyday living. Designed to blend seamlessly with the existing property, each project delivers comfort, function, and long-term value.
Need More Space?
We create extensions that give you the extra room you need—whether it's for a growing family, a home office, or a place to entertain.
Concerned About Costs?
We help you plan an extension that fits your budget with no hidden fees. You'll have a clear
idea of costs from start to finish.
Unsure About Planning Permission?
We take care of all the paperwork and make sure your extension meets local regulations, so
you don’t have to worry.
Want a Stress-Free Process?
From design to construction, we take care of everything. Your dedicated project manager ensures
the project runs smoothly and stays on schedule.
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Every home has the potential to be bigger, brighter, and more comfortable. With expert design, high-quality construction, and a seamless process from start to finish, home extensions become a stress-free experience. More space. More value. More possibilities.
Ready to transform your home? Get in touch today.
Damp Proofing
Protect your home from moisture and leaks.
Our Additional Services
Design & Build
We handle everything from concept to completion.
Types of House Extensions
A wrap-around extension extends your home in two directions—both to the side and the
rear—creating an L-shaped design. It adds more space, brings in extra light, and improves the flow of your home.
WRAP-AROUND EXTENSION
Make the most of the space beside your home with a side return extension. It adds extra room for a kitchen, dining area, or lounge while keeping your garden intact. A smart, cost-effective way to expand your living space.
SIDE EXTENSION
Free Site Visit
We start by visiting your home for free. This helps us understand what you need and how we can help.
Plan and Budget
We’ll talk about your ideas and budget. Our team will suggest the best options to make your project affordable and practical.
Design and Planning
Our experts will create a design that fits your home and meets all the rules and regulations.
Free Quote
We’ll give you a clear and detailed quote so you know exactly what to expect.
Building Your Extension
Our team will build your extension with care, keeping disruptions to a minimum. We’ll keep you updated every step of the way.
Handover
Once the work is done, we’ll walk you through the finished project to make sure you’re happy with everything.
How We Work
Why Choose Us
Quality Work
We take pride in delivering top-quality results.
Clear Prices
No hidden costs—we’ll give you a detailed quote upfront.
Friendly Team
We’re here to make the process easy and stress-free for you.
Experienced and Certified Builders
With years of experience, we can handle any project, big or small.
Frequently Asked Questions
Costs depend on the size and type of extension. On average, it’s between £1,350 and £2,250 per square meter. We’ll give you a clear quote after our free site visit.
Many extensions don’t need planning permission, but we’ll check and handle all the paperwork for you.
Most projects take 3-6 months. We’ll give you a timeline before we start.
Yes! A well-designed extension can increase your home’s value by 5-8% or more.
Contact Us Today!
Building an extension isn’t just about adding space—it’s about creating a home that works better for you. With years of experience in London, our team takes care of everything, from planning and design to materials, construction, and final details. We make the process smooth, stress-free, and built to last.
Whether it’s a grand transformation or a simple extension, every project gets the same level of expertise and attention to detail. From South to North London, our team ensures a seamless, stress- free experience—guiding you through permissions, design choices, modern solutions, and the latest trends.
No shortcuts, no surprises—just high-quality craftsmanship and a smooth journey from concept to completion.
A single-storey rear extension is a great way to add more living space. Whether you are creating a new room or expanding an existing one, it blends seamlessly with your home while improving both style and practicality.
SINGLE-STOREY EXTENSION
Build upwards with a double-storey extension to gain extra bedrooms, a master suite, an en-suite, or a dressing room. It gives you more space without taking up your outdoor area, making your home more functional and comfortable.
DOUBLE-STOREY EXTENSION
Single-Storey Extensions
Cost: £30,000–£50,000
Timeline: 8–12 weeks
A simple and cost-effective way to add space. Perfect for larger kitchens, open-plan living rooms, or home offices, a single-storey extension brings more light and functionality to any home. With modern, energy-efficient designs, it enhances comfort while maintaining privacy.
Double-Storey Extensions
Cost: £60,000–£100,000
Timeline: 12–16 weeks
For those needing even more space, a double-storey extension is the ideal solution. Adding extrabedrooms, bathrooms, and living areas, it makes a home feel brand new without the stress ofmoving. A practical investment that significantly increases property value.
Loft Conversions
Cost: £40,000+
Timeline: 8–12 weeks
An attic can do more than store old boxes. A loft conversion transforms unused space into a brightbedroom, a private home office, or a stylish entertainment room. With careful planning, it includeslighting, power points, and even a bathroom, creating a fully functional new living area.
Luxury Conservatories Orangeries
Cost: £7995 - £100,000+
Timeline: 8-12 weeks
For an elegant addition, conservatories and orangeries bring light, beauty, and extra living space. A conservatory, made from glass and light materials, offers an airy retreat, while an orangery, with itsmix of brick and glass, provides a warm, luxurious atmosphere year-round.
Plastering, Painting & Decorating
We’ll give your home a flawless finish.
Refurbishments
Upgrade your home with high-quality renovations.
Basement Conversions
Turn your basement into functional living space.