Extensions & Conversions
Expand your space without moving home.
Extensions & Conversions in Leicester & Leicestershire
Whether you need an extra bedroom, a larger open-plan kitchen, a loft conversion, or a garage conversion, our extension specialists deliver beautifully crafted spaces that blend seamlessly with your existing property and add real value.
Ready to discuss your project?
Call 07398 815773 for a free consultationWhy Choose Spectrum?
- 30+ years of experience
- Fully insured & certified
- Free, no-obligation quotes
- Leicester-based team
- 5★ rated by clients
- All work guaranteed
What You Get With Spectrum
Seamless Integration
New extensions are carefully designed to match your existing property in terms of materials, style, and architectural proportion.
Add Significant Value
A well-executed extension can add 15–25% to the value of your home — a smart, lasting investment.
Avoid the Cost of Moving
Get the space you need without estate agent fees, stamp duty, legal costs, and the upheaval of moving house.
Planning Expertise
We navigate permitted development rights and planning applications smoothly, advising you every step of the way.
Structural Integrity
Every extension is built on proper foundations with correct insulation and full building regulation compliance.
Minimal Disruption
We work efficiently and professionally to minimise the impact on your household during the build.
Our Process
A clear, structured approach that keeps you informed and in control at every stage.
Site Survey
We visit your property, assess your requirements, and advise on the best type of extension or conversion for your needs and budget.
Plans & Permissions
Architectural drawings are produced and any necessary planning or building regulation applications are submitted.
Fixed-Price Quote
A comprehensive, fixed-price quote is provided with a clear payment schedule tied to build milestones.
Construction
Our team carries out the build to a high standard, keeping you informed throughout the entire process.
Finishing & Completion
Plastering, electrics, plumbing, and decoration are completed to a high standard, followed by final sign-off.
Project Gallery
Single-storey extension in progress
Frequently Asked Questions
Do I need planning permission for an extension?
How long does an extension take?
Can you do loft conversions?
What about garage conversions?
Will building regulations be satisfied?
Other Services We Offer
Ready to start your extensions & conversions project?
Get in touch today for a free, no-obligation consultation and quote from Leicester's trusted construction specialists.