What is roof windows installation?

It involves fitting a window into a pitched roof to bring daylight and ventilation into rooms below.

Do roof windows need planning permission?

In many cases, roof windows fall under permitted development, but restrictions can apply depending on the property and location.

How long does it take to install a roof window?

Most standard installations are completed within a day, though more complex work may take longer.

Can roof windows improve energy efficiency?

Modern roof windows use insulated glazing that can help reduce heat loss while improving natural light.

Are roof windows suitable for all roofs?

They’re most commonly fitted to pitched roofs. An installer can confirm whether your roof is suitable.

Can existing roof windows be replaced?

Yes, replacing an existing roof window is common and usually quicker than installing a new opening.

Roof Windows Installation in Horley (21)

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Instant Glass & Glazing Limited
9.38
(265 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Orangeries
Patio Doors Repair
Fire Doors Repair
Call
Foremost Window Solutions
10.00
(155 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Conservatory Installation
UPVC Windows Installation
Windows and Doors
Call
Faron Home Improvements Ltd
9.89
(232 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Patio Doors Installation
UPVC Doors Installation
Double Glazing Installation
Call
Dennington Glass & Glazing
9.94
(123 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Conservatory Roof Insulation
Bay Windows Installation
Loft Windows Installation
Call
Holtye Windows Ltd
9.43
(149 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Secondary Glazing
Timber / Wooden Doors Repair
Fire Doors Installation
Call
Maplecraft Windows and Glazing Repairs
9.96
(1154 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Patio Doors Repair
Window Fitters
Windows Supply
Call
Merstham Glass Limited
9.55
(542 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Patio Doors Repair
Exterior Doors Repair
Patio Doors Installation
Call
Ace Windows, Doors, Locks & Glass
9.88
(227 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Bay Windows Installation
Exterior Doors Installation
Windows Supply
Call
Instant Windows and Doors Limited
9.83
(85 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Double Glazing Installation
Aluminium Doors Installation
Window Fitters
Call
All Round Glazing LTD
9.89
(250 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Orangeries
French Doors Installation
Aluminium Doors Installation
Call
Total Glazing Installations Limited
10.00
(73 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Double Glazing Installation
UPVC Doors Installation
Timber / Wooden Doors Installation
Call
Heron Windows
9.99
(419 reviews)
Operates in Horley
Services & skills
Windows / Doors / Conservatories
Roof Windows Installation
Conservatory Installation
Doors Supply
Window Fitters
Call

Top rated Roof Windows Installations in Horley

/10

250 ratings

Our Roof Windows Installations in Horley are rated an average of 10 out of 10 based on a sample of 250 reviews from customers like you*

*This review aggregate is based on real customer reviews from a randomly selected postcode in this area

Roof windows installation in Horley

Roof windows allow natural light and fresh air into lofts and upper-floor rooms, helping turn darker spaces into brighter, more usable areas. Installing a roof window is a popular option during loft conversions, home improvements, or when upgrading older roof glazing.

If you’re planning work on your roof, finding the right roof window installers in Horley helps ensure the window is fitted securely, sealed correctly, and performs well over time.

What roof windows installation involves

Roof windows installation involves creating or using an opening within a pitched roof and fitting a window designed to sit flush with the roofline. The process includes structural checks, careful cutting of the roof covering, fitting the window and flashing, and sealing the surrounding area to prevent leaks.

Installers also ensure insulation is properly installed around the frame, helping reduce heat loss and condensation.

When you might need roof window installers

Many homeowners consider roof windows if they’re hoping to:

Convert a loft into a usable living space
Replace older or damaged roof windows
Improve natural light in upper rooms
Upgrade to modern, energy-efficient glazing

Using a specialist installer helps reduce the risk of water ingress, draughts, or poor alignment.

Ready to hire? Check out our guide to finding Velux window installers near you.

How much does roof window installation cost in Horley?

For roof windows installation in the UK, you can expect to pay between £1213 and £2756, with an average cost of £1821. Learn more about pricing in our guide to roof window installation costs.

Prices can vary depending on the size of the window, roof type, ease of access, and whether a new opening is required or an existing window is being replaced.

New roof window installation vs replacement

New installation

A new opening is created in the roof
May involve structural adjustments
Usually takes longer and costs more

Replacement installation

Uses an existing roof opening
Often quicker to complete
Typically lower labour costs

Knowing which type of work you need helps set expectations for cost and timescales.

What to check before hiring a roof window installer

Experience with similar roof types
Knowledge of roof window brands and glazing options
Clear explanation of weatherproofing and insulation
Timescales for installation
What’s included in the quoted price

Comparing a few installers can help ensure the work is carried out correctly.

Want help choosing the right tradesperson? Read our tips for finding the best window installer.

Looking for more tradespeople in Horley?

Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in Horley and check out our latest home improvement guides.

Roof Windows Installation in Horley (21)

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Describe your job

Describe your job

Instant Glass & Glazing Limited

Services & skills

Foremost Window Solutions

Services & skills

Faron Home Improvements Ltd

Services & skills

Dennington Glass & Glazing

Services & skills

Holtye Windows Ltd

Services & skills

Maplecraft Windows and Glazing Repairs

Services & skills

Merstham Glass Limited

Services & skills

Ace Windows, Doors, Locks & Glass

Services & skills

Instant Windows and Doors Limited

Services & skills

All Round Glazing LTD

Services & skills

Total Glazing Installations Limited

Services & skills

Heron Windows

Services & skills

Roof windows installation in Horley

What roof windows installation involves

When you might need roof window installers

How much does roof window installation cost in Horley?

New roof window installation vs replacement

What to check before hiring a roof window installer

Looking for more tradespeople in Horley?