Expand Your Living Space with a Beautiful House Extension
At VELTI CONSTRUCTION LTD, we specialise in high-quality house extensions that blend seamlessly with your existing home — adding space, comfort, and long-term value. Whether you’re growing your family, upgrading your lifestyle, or investing in your property, we deliver tailored extension solutions to match your needs and budget.
From concept to completion, our team manages every stage of the process with precision and care.
Our House Extension Solutions
We offer a wide range of extension types, each custom-designed to maximise space, style, and function.
Rear Extensions
Extend the back of your home to create spacious kitchens, open-plan living areas, or dining rooms.
- Ideal for ground-floor transformations
- Perfect for entertaining and family life
- Excellent for terraced and semi-detached homes
Side Return Extensions
Make use of the narrow alley beside your home to unlock valuable internal space.
- Great for expanding kitchens or bathrooms
- Maximises underused space
- Popular with Victorian/Edwardian properties
Double Storey Extensions
Add new rooms on two levels, such as a ground-floor living area and an upstairs bedroom or bathroom.
- Great for growing families
- Enhances functionality and property value
- Requires planning permission
Over-Structure Extensions
Build over a garage or existing part of your home to add upper-level space.
- Adds bedrooms, offices, or en-suites
- Cost-effective use of footprint
- Often falls under permitted development
Why Choose Us for Your House Extension?
We combine structural expertise, design finesse, and full project transparency to ensure a stress-free, high-impact result.
More Space, Same Home
No need to move — gain the space you need in the home you love.
Increase Property Value
A well-designed extension can boost your home’s resale value by up to 25%.
Planning & Compliance Handled
We take care of planning permission, building regulations, and party wall matters.
End-to-End Project Delivery
One trusted team from design to build — with consistent communication.
Tailored to Your Needs
Whether modern or traditional, we create extensions that fit your vision.
Fully Licensed & Insured
Enjoy peace of mind with a professional, protected service.
Our 5-Step Extension Process
We guide you through every phase — clearly and confidently.
Consultation
Free site visit to understand your goals and space.
Design & Planning
Architectural drawings, layout suggestions, and planning applications.
Permissions & Prep
Building regs, structural calculations, and party wall agreements.
Construction
On-time, high-quality build with minimal disruption.
Final Handover
Walkthrough, snag check, and project completion certificate.
What Our Clients Say
Don’t just take our word for it – hear from homeowners who’ve transformed their properties with us.
“VELTI created a rear extension that completely transformed our ground floor. It’s now a light-filled kitchen-diner where we spend most of our time. Highly recommend!”
Anna & Rob G.
Surbiton
“We had a double-storey extension built with VELTI, and it feels like we moved into a brand new home — without leaving our neighbourhood. The whole team was excellent.”
Clare S.
Surbiton
“From planning to plastering, everything was handled with care. We love our new space and the quality of work speaks for itself.”
Yusuf A.
Surbiton
Ready to Extend Your Home?
Contact VELTI CONSTRUCTION LTD today for a no-obligation consultation. Let’s design and build a space that works better for your lifestyle — and adds real value to your home.
