Our Services
House Extensions
About This Service
Your Local House Extensions Experts
More space, better flow and a home that works harder for your family: a House Extension can create room to live, work and entertain while improving the layout of your property. Quinnmore Construction Ltd delivers planned, larger construction projects for homeowners and builders in St Albans, Hatfield, Harpenden and nearby towns, backed by CSCS credentials.

Our Process
How It Works
Discuss Your Requirements
Start with a clear conversation about the extra space you need, how your property should work better and the scale of the planned project.
Plan the Construction
Your extension is shaped around the intended use of the space and the wider property layout, giving homeowners and builders a clear direction for the work.
Create the Additional Space
The construction work delivers a more practical home layout, with the finished extension ready to support how you want to live, work or entertain.
Benefits
Why Choose us for House Extensions?
More Room to Live
Add valuable living space without moving home, whether you need room for family life, working from home or entertaining.
A Better Property Layout
A carefully considered extension can improve how your existing rooms connect and make the whole property feel more useful.
Confidence in the Workmanship
CSCS credentials support a professional approach, while the 12 month workmanship guarantee provides added reassurance after completion.
A well-planned house extension should do more than add floor space. It should improve the way your home works, from creating a larger kitchen and dining area to providing an extra bedroom, home office or flexible family room. Quinnmore Construction Ltd works with homeowners and builders on larger planned construction projects across St Albans, Hatfield, Welwyn Garden City, Harpenden, Potters Bar, Barnet, Radlett, Bernards Heath and Finchley.
Every property has its own proportions, access considerations and layout, so the right extension starts with understanding what the additional space needs to achieve. Whether the project is part of a wider alteration or a standalone improvement, speak to Quinnmore Construction Ltd about your requirements and the best way to move the work forward.
FAQ
Frequently Asked Questions
A house extension can create additional space for living, dining, entertaining, working from home or accommodating a growing family. The layout is shaped around how you want the property to function.
