Superior House Extensions in Caterham.
In Caterham, where character homes offer a robust framework for expansion, a well-designed extension is the smartest home improvement move. Grand Innovations delivers extensions in Caterham that focus on architectural synergy and family-first functionality.
Request Your Free Cost Proposal
Tell us about your Caterham project. We respond within 24 hours with a clear, itemised proposal.
Specialist focus in Caterham.
We specialize in creating light-filled rear and side additions featuring architectural glazing and high-end kitchen-diners. We handle every aspect from Tandridge planning to the final high-spec interior fit-out, ensuring your new space adds both joy and significant value to your home.
As a premium design-and-build company we take on a limited number of projects at a time, typically from £25,000 upwards. If your Caterham project is at that level, we would love to hear about it.
The Grand Standard
- Transparent weekly billing, no large deposits
- One team from design to completion
- Planning & building control managed for you
Planning authority
Tandridge District Council
We handle applications, party wall agreements and building regulations on your behalf.
Local housing stock
Victorian villas · 1930s family homes · modern estates
Also serving nearby
What we deliver in Caterham.
- 01
Valley Hub Expansion
Maximizing the footprint of Caterham's traditional properties with expansive rear additions for modern socializing.
- 02
Architectural Symmetry Matching
Using specialized materials and precision matching to ensure your extension feels like an original Caterham feature.
- 03
Structural Excellence Hub
Safely opening up compartmentalized floorplans to create the large, multi-functional spaces families crave in Caterham.
- 04
Turnkey Elite Delivery
Managing all trades and building control requirements under our signature no-deposit, weekly billing framework.
Kingston Multi-Bathroom Renovation
The Challenge
Simultaneously managing the plumbing and structural overhauls of four separate bathrooms on multiple floors without disrupting the structural integrity of the historic floor joists.
Our Solution
We utilized low-profile, high-flow aquatic tracking to reroute internal drainage seamlessly, paired with rigorous acoustic insulation beneath the luxury wood-effect flooring to eliminate internal noise transfer entirely.
Your questions, answered.
Investment
Projects from £35,000
Most projects: £35,000–£90,000
Every Caterham project begins with a free consultation and a fully itemised Cost Proposal, and with weekly billing you only ever pay for completed, signed-off work.
Transform your Caterham home.
Tell us about your Caterham project and we'll arrange a free, no-obligation consultation, followed by a clear, itemised Cost Proposal, usually within 24 hours.
“The attention to detail and absolute financial transparency provided by Grand Innovations completely redefined our expectations of what a home renovation could be. High standard of work, the extension is beautiful and has added so much value onto our home. Really appreciated the weekly billing, rather than a big amount upfront.”