Add more space. Add more value. Whether you want to expand your kitchen or create a new bedroom, we can do the job. Rose Construction is your trusted partner for quality extension building services in London.
We specialise in building an extension on your house that doesn’t just increase your square footage, but transforms your lifestyle.
A home extension is one of the best ways to create more living space without moving house. With rising property prices in London, extending your current home is often more cost-effective than buying new.
Whether you’re after a rear extension or a side return, we tailor the design and build to your needs.
Benefits of a Building Extension:
Ideal for growing families or remote working
At Rose Construction, we handle all types of building extensions. We handle everything carefully, from planning and design to build and finish. Our builders are experienced in working with tight London spaces and planning rules.
Types of Extensions We Offer:
We also guide you through planning permission, permitted development, and building regulations.
Building extension costs in London vary based on the following -
At Rose Construction, we believe in complete transparency.
Average Cost of Building a Home Extension in London:
We’ll provide you with a clear, itemised quote so there are no surprises. Looking for the cheapest way to build an extension? We’ll walk you through options that balance quality and budget.
Don’t wait for a cold snap or an emergency. Keep your home safe and warm with Rose Construction’s trusted gas and heating services.
Contact us to schedule a consultation and receive a free estimate.
Our team works closely with you, architects, and councils to ensure a hassle-free extension project.
We’ve fine-tuned our method to deliver quality builds on time and within budget.
Are you looking to build an extension on your house? Do you want a stylish space without sky-high costs? Rose Construction is here to help.
From new build extensions to commercial building extensions, we bring your ideas to life.
Reach out for a free, no-obligation estimate. We’ll visit your home, discuss your ideas, and give you a detailed proposal. Let’s turn your vision into reality.
Contact Rose Construction now to get started with your building extension project.
The cost of building an extension in London can vary significantly depending on several factors such as -
On average:
Additional costs may include -
At Rose Construction, we provide a clear and itemised quote.
Not always. Some house extensions fall under Permitted Development Rights. This allows you to build without formal planning permission — provided your extension meets specific size and placement criteria.
However, if you:
...then planning permission will likely be required.
We handle the whole process for you, including -
The timeline for building an extension depends on the type and scale of your project.
Typical durations:
This includes everything from demolition and groundwork to finishes and final inspections. Our team provides a clear project timeline and updates you regularly throughout the build.
The cheapest way to build an extension typically includes:
At Rose Construction, we can advise you on budget-friendly solutions.
Absolutely. A well-designed extension can increase your home’s value by 10–20%, or more in some areas of London. Popular extensions like:
…can greatly increase appeal for future buyers.
We ensure that our designs are functional and add long-term resale value to your property.
