Building Extensions
Expand your home with a quality house extension
A house extension is a fantastic way to create the extra space your family needs without the cost and upheaval of moving home. WPE Property builds single-storey and double-storey extensions, kitchen extensions, rear and side returns, orangeries and garden rooms. Our experienced team manages the entire process — from initial design and planning permission through to final fit-out.
What's Included
- Single-storey extensions
- Double-storey extensions
- Kitchen extensions
- Side return extensions
- Rear extensions
- Orangeries & garden rooms
- Bi-fold & sliding door installation
- Full project management
Why Choose Us for Building Extensions
Our Process
Consultation
We discuss your requirements, budget and ideas for your extension.
Design & Planning
Architectural drawings prepared and planning permission managed.
Build
Foundations, structure, roof, windows and all building work completed.
Fit Out
Plastering, electrics, plumbing, flooring and finishing to your specification.
Building Extensions FAQ
Q. Do I need planning permission for a house extension?
Many extensions fall under permitted development rights. We will advise you on whether planning permission is required for your specific project.
Q. How long does it take to build an extension?
A single-storey extension typically takes 8–16 weeks. A double-storey extension may take 16–24 weeks depending on size and complexity.
Q. How much does a house extension cost?
Costs depend on size, specification and location. We provide free, detailed quotes so you know exactly what you'll pay with no surprises.
Q. Will I be able to stay in my home during the build?
In most cases yes, though there will be some disruption. We work hard to minimise inconvenience and keep the site clean and safe at all times.
Building ExtensionsAcross South Mimms, North London & Hertfordshire
We provide building extensions services in the following areas. Click your location for local information.
Get a Free Building Extensions Quote
Get in touch today — no obligation, no pressure. We'll give you an honest quote and expert advice.