Exquisite House Extensions in Petts Wood.
In Petts Wood, where detached homes and spacious plots are the norm, a well-designed extension is the ultimate way to stay in the area you love while gaining the modern space you need. Grand Innovations delivers extensions in Petts Wood that are designed to complement the area's prestigious mock-Tudor aesthetic.
Request Your Free Cost Proposal
Tell us about your Petts Wood project. We respond within 24 hours with a clear, itemised proposal.
Specialist focus in Petts Wood.
We specialize in creating light-filled rear and side expansions that feature architectural glazing and high-end kitchen-diners. We handle every aspect from Bromley planning applications to the final decorative flourish, ensuring your new space adds both functional joy and significant value to your Petts Wood 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 Petts Wood 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
London Borough of Bromley
We handle applications, party wall agreements and building regulations on your behalf.
Local housing stock
1930s mock-Tudor homes · detached family houses · bungalows
Also serving nearby
What we deliver in Petts Wood.
- 01
Architectural Symmetry & Matching
Using specialized materials and timber detailing to ensure your extension feels like an original Petts Wood feature.
- 02
High-End Kitchen Expansions
Designing and executing expansive heart-of-the-home additions with premium stone and cabinetry fit-outs.
- 03
Structural Excellence
Precision engineering to open up your original Petts Wood floorplan safely and seamlessly.
- 04
Turnkey Project Delivery
Managing all trades and regulatory approvals under our signature weekly billing framework in Petts Wood.
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 Petts Wood 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 Petts Wood home.
Tell us about your Petts Wood 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.”