Transforming Homes for Efficiency, Comfort & Sustainability
From insulation to heat pumps and solar integrated solutions tailored for your home.
Smarter Energy Retrofits
Sage Retrofits Limited specializes in domestic energy efficiency retrofits across the UK. We deliver whole-house solutions covering insulation, ventilation, heating controls, heat pumps, and solar installations to make homes warmer, greener, and more cost-effective. Our mission is to combine innovation with practicality, helping homeowners unlock government-backed grants like ECO4, GBIS, LA FLEX and BUS.
Why Retrofitting Matters
GovernmentFunding
Claim your share of UK government grants, why pay when you can upgrade your home for free!
Energy Company Obligation Phase 4 (ECO4)
Great British Insulation Scheme (GBIS)
Boiler Upgrade Scheme (BUS)
Local Authority Flexibility Scheme (LA FLEX)
Fabric & Envelope
Loft, cavity, and internal wall insulation; draught proofing.
Heating & Controls
Boiler replacement, air/ground source heat pumps, TRVs, digital thermostats.
Renewable Energy
Solar PV with battery storage.
Ventilation & Indoor Air Quality
Energy-efficient ventilation systems.
OurServices
Our Energy-Efficient Home Upgrades
Government-Backed Funding
Our expert team will help you submit your application and handle all the necessary paperwork, ensuring a seamless and hassle-free experience from start to finish.
Comprehensive Insulation Upgrades
Our advanced insulation solutions are designed to trap heat in your home, preventing this loss and dramatically reducing your energy consumption.
Efficient Heating & Renewables
We offer a range of modern, energy-efficient solutions, from replacing old, inefficient boilers to installing cutting-edge renewable technology that provides a sustainable, long-term heating solution.
Renewable Energy Solutions
We help you reduce your reliance on fossil fuels, generate your own clean power, and take a significant step towards a sustainable, low-carbon lifestyle. These systems will cut your energy bills.
WhyChoose Us
Why Choose Sage Retrofits?
Holistic Solutions
Holistic, integrated approach to retrofitting.
ECO4 Expertise
ECO4-approved installers with proven expertise.
Trusted & Accredited
Trusted and accredited under UK government schemes.
Client-First Service
Client-first process with transparent communication.
Efficient Installation
Fast, efficient installation with minimal disruption.
Our Process
How It Works
01
eligibility
Check your eligibility online or by phone.
02
Booking
Book a free home survey with our certified team.
03
installation
We install your energy-efficient upgrades often within 7–10 days for free.
benefits
Eligible benefits - Any of the following
- Income based job seeker Allowance (JSA)
- Income related Employment and Support Allowance
- Income support (ESA)
- Pension credit (IS)
- Pension credit guarantee credit (PCGC)
- Pension credit saving credit (PCSC)
- Working tax credit (WTC)
- Universal credit (UC)
- Housing benefit
- Child tax credit
Measures
We are doing the following measures in ECO4 and GBIS
- Loft insulation
- Cavity wall insulation
- Internal wall insulation
- Room in Roof insulation
- Ventilation
- Heating controls including TRVs, Digital thermostat, bypass and extractor fans
- Boiler replacement
- First time central heating
- Solar panels with electric storage heaters
- Ground source and Air Source heat pumps
Measures
We are doing the following measures in ECO4 and GBIS
Loft insulation
Cavity wall insulation
Internal wall insulation
Ventilation
Room in Roof insulation
Boiler replacement
First time central heating
Solar panels with electric storage heaters
Ground source and Air Source heat pumps
Heating controls including TRVs, Digital thermostat, bypass and extractor fans
Find the Right Support for Your Home
Insulation Funding
- Covered by: ECO4 and GBIS
Heating Upgrades
- Covered by: ECO4 and BUS
Health & Vulnerability Support
- Asthma, COPD, or other respiratory conditions
- Cardiovascular disease or high blood pressure
- Diabetes, cancer, or reduced mobility
- Autoimmune or immunological conditions
- Covered by: ECO4 (via NHS Referral / LA FLEX)
Low-Income Households
- Covered by: ECO4, GBIS, and LA FLEX
Not sure where you fit in?
- Don’t worry we’ll do the hard work for you.
- Our team will assess your details and match you with the right grant.
Happy Clients
Testimonials
I’ve seen firsthand how their technology is changing lives. It’s not just about power — it’s about empowering people.
Samantha R
Renewable Energy Advocate
Their innovative solar solutions helped transform our community center into a model of sustainability. The future looks brighter — and greener — thanks to their work.
David M
Community Leader
Their innovative solar solutions helped transform our community center into a model of sustainability. The future looks brighter — and greener — thanks to their work.
Anjali K
Community Leader
Grants & Funding
- ECO4 Scheme
- Great British Insulation Scheme (GBIS)
- Boiler Upgrade Scheme (BUS)
benefits
Eligible benefits - Any of the following
- Income based job seeker Allowance (JSA)
- Income related Employment and Support Allowance
- Income support (ESA)
- Pension credit (IS)
- Pension credit guarantee credit (PCGC)
- Pension credit saving credit (PCSC)
- Working tax credit (WTC)
- Universal credit (UC)
- Housing benefit
- Child tax credit
Following benefits will not be accepted
- State pension
- Child benefit
Councils We Work With
We are continuously expanding our partnerships. If your council isn’t listed, please check back soon or contact us directly.
GetIn Touch
Contact Info
Don’t wait—start saving energy and money today.
Office Address
185 Wyndhurst Road, Birmingham, England, B33 9JN