Superior House Extensions in Biggin Hill.
Biggin Hill offers unique hillside plot sizes that are ideal for ambitious residential expansions. At Grand Innovations, we deliver 'high-specification expansions': creating large-scale rear and side additions that take full advantage of the area's generous space.
Request Your Free Cost Proposal
Tell us about your Biggin Hill project. We respond within 24 hours with a clear, itemised proposal.
Specialist focus in Biggin Hill.
We specialize in light-filled architectural designs featuring expansive glazing and gourmet kitchen-diners. We handle the entire Bromley planning process, ensuring your project is both ambitious and fully compliant with local guidelines.
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 Biggin Hill 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
What we deliver in Biggin Hill.
- 01
Large-Scale Plot Expansion
Maximizing the footprint and square footage of Biggin Hill's detached properties with significant architectural additions.
- 02
Modern Architectural Glazing
Installing designer bi-folds and rooflights that flood your new Biggin Hill extension with natural light and views.
- 03
Structural Engineering Excellence
Precision engineering to open up Biggin Hill floorplans safely for the creation of grand, social living environments.
- 04
Turnkey Project Management
Managing all specialty trades and building control under our signature weekly billing framework in Biggin Hill.
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 Biggin Hill 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 Biggin Hill home.
Tell us about your Biggin Hill 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.”