A window with a glass pane and a door handle

Energy-Efficient Windows and Doors Installation

Reduce energy loss, improve comfort, and secure your home with modern window and door replacements.

Old windows and doors are one of the biggest culprits for heat loss in UK homes. At Northern Retrofit, we install high-performance, energy-efficient alternatives that lock in warmth and enhance security.

FENSA-registered installers

10-year product and workmanship guarantee

Fully PAS2030 compliant

Installed by expert retrofit teams

A window with a glass pane and a door handle

Energy-Efficient Windows and Doors Installation

Reduce energy loss, improve comfort, and secure your home with modern window and door replacements.

Old windows and doors are one of the biggest culprits for heat loss in UK homes. At Northern Retrofit, we install high-performance, energy-efficient alternatives that lock in warmth and enhance security.

FENSA-registered installers

10-year product and workmanship guarantee

Fully PAS2030 compliant

Installed by expert retrofit teams

A window with a glass pane and a door handle

Energy-Efficient Windows and Doors Installation

Reduce energy loss, improve comfort, and secure your home with modern window and door replacements.

Old windows and doors are one of the biggest culprits for heat loss in UK homes. At Northern Retrofit, we install high-performance, energy-efficient alternatives that lock in warmth and enhance security.

FENSA-registered installers

10-year product and workmanship guarantee

Fully PAS2030 compliant

Installed by expert retrofit teams

Trusted by Industry Leaders Across the UK

Serving homeowners, landlords, contractors, councils and housing associations

  • CLC Group Logo
  • Cocuun Logo
  • Hull City Council Logo
  • Energy Store logo
  • Hull City Council Logo

Trusted by Industry Leaders Across the UK

Serving homeowners, landlords, contractors, councils and housing associations

  • CLC Group Logo
  • Cocuun Logo
  • Hull City Council Logo
  • Energy Store logo
  • Hull City Council Logo

Trusted by Industry Leaders Across the UK

Serving homeowners, landlords, contractors, councils and housing associations

  • CLC Group Logo
  • Cocuun Logo
  • Hull City Council Logo
  • Energy Store logo
  • Hull City Council Logo

Trusted by Industry Leaders Across the UK

Serving homeowners, landlords, contractors, councils and housing associations

  • CLC Group Logo
  • Cocuun Logo
  • Hull City Council Logo
  • Energy Store logo
  • Hull City Council Logo

What are energy-efficient windows and doors?

They’re modern uPVC or composite products designed to reduce heat transfer, enhance security, and comply with the latest building regulations. Double or triple glazed, they form a critical part of your home’s energy envelope.

A window with a glass pane and a door handle
A window with a glass pane and a door handle
A window with a glass pane and a door handle
A window with a glass pane and a door handle

Why upgrade your windows and doors?

Replacing old windows and doors can dramatically improve your home’s thermal performance and comfort.

Old windows leak heat and let in drafts.

Secure doors reduce the risk of break-ins.

Upgrades can increase property resale value.

Eligible for government energy efficiency schemes.

Modern glazing cuts condensation and noise.

Key Benefits

Peace of mind and comfort built in with every install.

Lower heating bills year-round

Enhanced home security

Reduced condensation and mould

Quieter living with acoustic insulation

Better EPC rating and compliance

How It Works

How It Works

We make the upgrade process smooth, affordable, and hassle-free.

We make the upgrade process smooth, affordable, and hassle-free.

1

1

Survey & Recommendation

We assess your property and recommend the right window and door solutions.

2

2

Installation Scheduling

We’ll work around your schedule to carry out the work with minimal disruption.

3

3

Expert Installation

Our certified teams handle everything to the highest standards.

Why Choose Northern Retrofit?

Why Choose Northern Retrofit?

Trusted by Government & Thousands of Northern Families.

Trusted by Government & Thousands of Northern Families.

Reviewed & Trusted
Reviewed & Trusted

Over 70 verified 5-star reviews from satisfied clients across the UK - and growing every month.

Certified & Compliant
Certified & Compliant

Fully accredited to deliver GBIS-funded measures. Our work meets PAS2030 and TrustMark standards.

Insurance-backed Guarantee
Insurance-backed Guarantee

Every installation is covered by a third-party insurance-backed guarantee, giving you complete peace of mind.

Free, No-Obligation Assessment
Free, No-Obligation Assessment

We'll check your eligibility and provide expert guidance, with no hard sales and no hidden costs.

Frequently Asked Questions

Frequently Asked Questions

Do you replace windows and doors as part of ECO4?

No, unfortunately, upgrades to windows and doors are not included as part of ECO4 or GBIS schemes.

What kind of guarantee do you provide?

We offer a 10-year product and workmanship guarantee for all windows and doors.

How long does the installation take?

Most installations are completed in 1–2 days depending on the number of windows and doors.

Ready to Start Your Retrofit Project?

Ready to Start Your Retrofit Project?

Get expert guidance and a detailed quote from Yorkshire's most trusted retrofit specialists

Get expert guidance and a detailed quote from Yorkshire's most trusted retrofit specialists

Prefer to Call?

Mon-Fri 8am-6pm, Sat 9am-4pm

We respond within 2 hours

Based in Yorkshire, serving all of the UK

Hull, Leeds, Sheffield, York & the whole of the UK

What Happens Next?

We'll call you within 24 hours to confirm your appointment

Free 30-minute home assessment at your convenience

Instant quote and booking for installation