Commercial Improvements Ltd
WELCOME TO COMMERCIAL IMPROVEMENTS LTD

Building Better Homes
& Smarter Spaces

Trusted specialists in insulation, heating, renewables and full property refurbishments — delivering quality results for homeowners, landlords and commercial clients across UK.

25yr
Guarantee
5 ★
Rated Service
£0
Survey Cost
48hr
Response Time
Scroll
10,000+
Properties Improved
15+
Years in Business
98%
Customer Satisfaction
50+
Qualified Engineers
Gas Safe Registered
TrustMark Approved
NICEIC PAS 2030
MCS Certified
CIGA Member

Everything Your
Property Needs

From insulation and heating to renewables and full refurbishments — we deliver quality improvements that last.

Explore All Services →
Professional installation
Professional Installations
Certified engineers on every job
Insulation
Loft Insulation
Prevent up to 25% heat loss through your roof with professionally installed loft insulation — reducing bills year-round.
Cavity Wall Insulation
Cavity Wall Insulation
Fill the gap between your cavity walls to stop heat escaping and cut your heating bills significantly.
Internal Wall Insulation
Internal Wall Insulation
Solid wall insulation fitted on the inside of your property — improving thermal performance without altering the exterior.
Boiler Replacement
Boiler Replacement
Upgrade to a new A-rated energy-efficient boiler — lower running costs, fewer breakdowns and a warmer home.
Central Heating
First Time Central Heating
Full central heating system installation for properties without one — radiators, pipework and controls all included.
Solar & Renewables
Solar & Renewables
Solar PV panels, solar thermal and air source heat pumps — generate your own energy and reduce reliance on the grid.

The Commercial Improvements Difference

Engineer installing insulation
Happy homeowner
15+
Years Experience

One Company, End to End

We handle everything in-house — from initial survey through to installation and aftercare. No subcontractors, no surprises.

Fully Accredited Engineers

Gas Safe, NICEIC, MCS and TrustMark across the team. Every job done to the highest industry standards.

Transparent Fixed Pricing

Clear itemised quotes before any work begins — and we always stick to them. No hidden costs, ever.

Fast Turnaround

Most survey-to-installation cycles completed within two weeks. We respect your time and your property.

Nationwide Coverage

Operating across UK with local teams who understand regional building types and requirements.

Sectors We Serve

From single homeowners to large housing associations — we have the scale, accreditation and experience to deliver.

Residential Homeowners
Residential
Homeowners &
Private Buyers
Quality upgrades tailored to your home and budget.
Landlords
Landlords
Landlords &
Letting Agents
Meet EPC requirements and protect your investment value.
Housing Associations
Social Housing
Housing Associations
& Local Councils
Large-scale improvement programmes delivered on time and to spec.
Commercial Properties
Commercial
Commercial
Properties
Energy efficiency solutions for offices, retail and industrial premises.

Simple from Start to Finish

We've refined our process over 15 years to make getting work done as smooth as possible.

1
Get in Touch

Call or fill in our quick form — we respond within one working day.

2
Free Survey

A qualified surveyor visits and assesses exactly what's needed.

3
Fixed Quote

A clear itemised quote with no hidden charges — ever.

4
Installation

Certified engineers complete the work cleanly and on schedule.

5
Aftercare

We follow up and remain on call for any questions afterwards.

What Our Customers Say

"
Insulation

The engineer arrived on time, explained everything clearly, and left the property spotless. Can't say enough good things about how professional the whole company is.

Mr Ahmed
Mr. Ahmed
Cavity Wall Insulation, Bedford
"
Renewables

Smooth from survey to sign-off. Solar panels installed in a single day, everything explained clearly. The savings on my bills are already noticeable.

Mr Abbas
Mr. Abbas
Solar PV Installation, Milton Keynes
Ready to Start?

Let's Improve Your
Property Together

Whether it's a single room upgrade or a large-scale commercial installation — our certified team is ready. Get your free, no-obligation quote today.

Engineer with homeowner
Call Us Now
01582 640442
Mon–Fri 8am–6pm
Our Accreditations & Certifications

Certified, Trusted & Fully Approved

We work to recognised industry standards, giving homeowners, landlords and commercial clients confidence that every project is delivered safely, professionally and compliantly.

TrustMark Approved
TrustMark Approved
NICEIC PAS 2030
NICEIC PAS 2030
Gas Safe Register
Gas Safe Registered
CIGA Member
CIGA Member
Qualitymark Protection
Qualitymark Protection
GDGC
GDGC Approved
IAA
IAA Registered
EZY-FIT
EZY-FIT Approved

All work is completed by qualified professionals and supported by recognised industry accreditations.