At Thames Valley Insulation, affordable, sustainable, community-focused heating solutions are available to help UK homeowners enjoy warmer, more energy-efficient homes without hefty price tags.
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Our Mission

Our mission at Thames Valley Insulation is to make energy-efficient living accessible for each household. Providing fully-funded heating solutions through government grants, we want to reduce energy costs and improve comfort toward a sustainable and healthier future for all.
About Us
We take pride in making Thames Valley Insulation one of the leading providers of ECO4-funded services in the country, guiding clients through each step of the grant application process. With government-backed ECO4 grants, we make it easier for low-income families to upgrade and insulate their homes and live better lives.
With a focus on sustainable solutions, we want to help residents in the UK build warmer, more comfortable homes, reducing their energy bills and carbon footprint. Our multidisciplinary team of experts in home energy efficiency is ready to provide impactful upgrades at zero upfront costs.
We believe that everyone deserves a home, which is affordable to heat and environmentally responsible, and we are here to make that vision a reality!
Our Services
We provide energy efficiency services that are entirely 100% hassle-free, enabling homeowners and tenants to access the government-funded Energy Company Obligation (ECO) effortlessly.
Replace outdated boilers with modern, energy-efficient models. We offer A-rated combi, system, and even regular boilers as per your needs. Our grants cover the total cost, allowing you to benefit from lower energy bills and a more reliable heating system with zero upfront fees.
For homes without central heating, we provide full grants to install efficient systems, including A-rated boilers, radiators, pipework, and TRVs that ensure consistent warmth throughout your property.
Upgrade to an eco-friendly energy solution with air-source heat pumps and free solar panels. These pumps provide year-round comfort, reduce reliance on fossil fuels, and help you save considerably on energy bills.

cavity Wall Insulation

Loft Insulation

Underfloor Insulation

External Wall Insulation
Reduce up to 45% of heat loss with proper home insulation, keeping warmth in and energy costs low. Through the Free Insulation Grant, you can have options like loft, cavity wall, and underfloor insulation that allow you to improve energy efficiency, lower heating bills, and enjoy a warmer home—all at zero cost.

Solar Panel

Energy Assessment

Radiator Installation

Smart Heating Control Installation
Enhance your home’s energy efficiency with our range of free add-on services. Capture clean sunlight energy and reduce electricity bills with free solar panel installation.
Improve your heat distribution with free radiator upgrades, and take control of your energy use through smart heating controls.
Plus, our free energy assessments identify the best upgrades for your home, ensuring maximum efficiency and comfort.
Replace outdated boilers with modern, energy-efficient models. We offer A-rated combi, system, and even regular boilers as per your needs. Our grants cover the total cost, allowing you to benefit from lower energy bills and a more reliable heating system with zero upfront fees.
For homes without central heating, we provide full grants to install efficient systems, including A-rated boilers, radiators, pipework, and TRVs that ensure consistent warmth throughout your property.This grant can provide eligible households with a warm and energy-efficient environment without concerns about high upfront costs. With full central heating installation, you can ensure that your home benefits from lower energy bills. It also reduces your carbon footprint and improves your overall comfort.

Cavity wall Insulation

Loft Insulation

Underfloor Insulation
Reduce up to 45% of heat loss with proper home insulation, keeping warmth in and energy costs low. Through the Free Insulation Grant, you can have options like loft, cavity wall, and underfloor insulation that allow you to improve energy efficiency, lower heating bills, and enjoy a warmer home—all at zero cost.

Energy Assesment

Radiator Installatio

Smart Heating Control Installation
Enhance your home's energy efficiency with our range of free add-on services. Improve your heat distribution with free radiator upgrades, and take control of your energy use through smart heating controls. Plus, our free energy assessments identify the best upgrades for your home, ensuring maximum efficiency and comfort.
Why Choose Us
Choosing the right partner for your home heating upgrade ensures a smooth and hassle-free experience for you. That is why we are the top choice for you:
Our certified engineers boast vast experience in the installation of high-quality technology under the ECO4 Scheme.
Our services include everything needed to make your house more energy-efficient, from free boiler grants to insulation.
All our services are fully funded through the ECO4 grant; hence, you pay nothing out of pocket.
Expertise You Can Trust
Our certified engineers boast vast experience in the installation of high-quality technology under the ECO4 Scheme.
Comprehensive Services
Our services include everything needed to make your house more energy-efficient, from free boiler grants to insulation.
Zero Upfront Cost
All our services are fully funded through the ECO4 grant; hence, you pay nothing out of pocket.
Ready to Get Started? Claim your FREE ECO4 Grant Today!
Take the first STEP to a warmer, more energy-efficient home with zero upfront cost.
What Our Client Says
Our Partners





About Our Company
Discover a sustainable lifestyle with Thames Valley and insulate your home for free under the ECO4 grants by the UK government.Your comfort is our supreme priority. We are committed to serve you with the free heating and insulation grants. Our target is to reduce your energy bills with the energy-efficient heating system. Eligible homeowners or tenants can get the free installation & maintenance guidelines for the boilers, air-source heat pumps or home insulation. We never disappoint our customers!
Scheme Provider and Trades TrustMark Registered
Thames Valley Ltd. is certified by NICEIC for providing quality services. Our trades TrustMark Registered for: Cavity Wall Insulation, Flat Roof Insulation, Draught Proofing, Room in Roof Insulation, Floor Insulation, Heating System Insulation, Hot Water Systems, Wall Insulation (Internal & External), Air source heat pumps, and Solar PV installation services specifically under the ECO4 scheme.
Our Service Cost
We charge absolutely nothing from our customers because all our services are paid by the ECO4 scheme.
For Customers Feedback & Complains
Any complaint in relation to any aspect of our work compliance with PAS 2030:2019 and PAS 2035, claimed from any source, are informed to the Quality Representative and Retrofit Coordinator without delay to ensure that any complaints we receive are dealt with in a structured manner by being recorded, acknowledged and resolved appropriately.
A customer need to fill GD F11 – Complaint Form and our Quality Representative will contact the complainant within 1 working day and advise on steps to address the issue. The Quality Representative will record all relevant information with the consent of the complainant.
If the complaint cannot be rectified to the satisfaction as desired, we refer it to our Scheme Provider who may then
recommend an Alternative Dispute Resolution process, including referral if required. If our Scheme Provider does not have an ADR in place, TrustMark may recommend or refer the dispute to independent mediator.
Thames Valley Ltd.
Address: Unit 8, Elder Way, Waterside Dr, Slough SL3 6EP, United Kingdom
Email: info@thamesvalleyinsulation.co.uk
Contact: +44 1753424290
For Company Tracking
Company Number: 10358805
VAT Number: 252 9127 07
Tustmark Number: 1749331
Business Insurance Details
Plan Insurance Brokers:
Employers Liability= 10,000,000
Public & Product Liability= 5,000,000
Professional Indemnity = 1,000,000
1. Introduction
Overview of TrustMark Guidelines Importance of Customer Relationship & Communication Ensuring a Good Job from Start to Completion.
2. Business Information
Business Name & Contact Details Registered Address & Company Number (for Limited Companies) Scheme Provider & TrustMark Trades VAT Registration Details Business Insurance (Provider & Indemnity Limits) Customer Feedback & Complaints Procedure Alternative Dispute Resolution (ADR) Provider Displaying the TrustMark Logo & Customer Charter.
3. Customer Contracts & Payments
Written Quotations & Contracts Payment Terms & Conditions Deposits & Stage Payments Financial Protection (Insurance, Credit Card Payments, Escrow) Product Installation & Maintenance Requirements Accurate Product Representations Installation Plans for Larger Jobs Pre-Job Inspection & Documentation Informing Customers about Subcontractors.
4. Customer Access & Safety
Pre-Agreements for Access Valuables & Household Safety Children & Pets Considerations Supporting Vulnerable Individuals Entrance & Exit Points Toilet & Utility Access.
5. Surveys & Site Inspections
Need for a Survey Survey Details Provided to Customers Surveyor Information Cost & Scheduling Scope of Inspection.
6. Invoicing & Payment Terms
Mandatory Invoice Information Invoice Date & Unique ID Business & Customer Details Breakdown of Charges VAT (if applicable) Payment Methods & Due Date (30 Days) Product Installation Guidelines User Instructions & Safety Checks Maintenance & Guarantee Implications.
7. Customer Feedback & Complaints Handling
Encouraging Positive Feedback Professional Handling of Complaints Complaints Resolution Procedure Following ADR (Alternative Dispute Resolution) Procedures
Consumer Rights & Complaint Escalation.
8. Energy Efficiency & Financial Guidance
Providing Clear Energy Efficiency Advice Grant & Incentive Information Compliance with Energy Performance Standards Independent Advice Sources Finance & Insurance Regulations FCA Authorization for Financial Products Customer Protection for Pre-Payments & Deposits.
9. Design & Planning
Design Compliance with Codes of Practice Whole House Approach for Energy Efficiency Special Considerations (Listed Buildings, Conservation Areas).
10. Work Execution & Customer Communication
Keeping Customers Updated During Work Handling Unexpected Issues & Cost Revisions Compliance with Building Inspections
Customer’s Right to Cancel & Product Removal Clear & Jargon-Free Communication.
11. On-Site Conduct & Professionalism
Proper ID & Identification Protective Measures for Customer’s Home Safe Storage of Tools & Materials Minimizing Disruption & Ensuring Safety Supporting Vulnerable Customers.
12. Job Completion & Handover
Final Inspection with the Customer Addressing Remedial Works Before Leaving Providing Instruction Manuals & Maintenance Guidelines Guarantee & Product Warranty Documentation Clean-Up & Waste Disposal.