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Replacement windows installed in a period-style home
Whole-home window replacement

Replacement windows planned around the property

Compare frame materials, opening styles, glazing and installation details as one project, with a measured survey before anything is ordered.

Aluminium, timber and uPVCSurvey-led specificationInstallation and aftercare
Start with the brief

Start with the problems the new windows need to solve

A successful replacement project is not simply a swap of old frames for new ones. The right specification responds to the architecture, room use, exposure and condition of every opening.

Some homes need traditional proportions and conservation-sensitive detailing. Others benefit from slimmer frames, larger panes or easier maintenance. Noise, condensation, overheating, security and ventilation may also vary from room to room.

We use the first conversation and survey to separate preferences from practical requirements. That creates a clearer route to frame material, glass, hardware, finish and installation details that work together.

Useful information for the first conversation

  • Photographs of the elevations and problem windows
  • Approximate opening sizes and the number of windows
  • Rooms affected by noise, draughts, heat or privacy
  • Any planning, listed-building or conservation constraints
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Specification guide

Match the system to the priority

Use these starting points to focus the shortlist before survey.

Project priorityUseful starting pointWhat to confirm
Period characterTimber or heritage-look uPVCSightlines, glazing bars, sash proportions and conservation context
Low maintenanceuPVC or powder-coated aluminiumFinish quality, hardware access and realistic cleaning requirements
Slim contemporary framesAluminiumOpening sizes, glass weight, thermal breaks and external exposure
Noise reductionA well-sealed frame plus suitable acoustic glassGlass build-up, seals, vents and the weak points around the opening
Thermal comfortA complete frame-and-glass specificationU-values, airtightness, installation interfaces and ventilation
Details that protect the result

Move from a broad choice to a buildable specification

The final recommendation should explain the details that affect survey, manufacture, installation and daily use.

01

Survey before final specification

Opening condition, reveal depth, cills, access and surrounding finishes all affect the final recommendation.

  • Confirm structural and installation constraints
  • Measure each opening rather than assuming repeated sizes
  • Record access, protection and making-good requirements
02

Specify glazing room by room

A street-facing bedroom may need a different glass build-up from a sunny kitchen or private bathroom.

  • Balance energy, sound, safety and solar control
  • Review privacy and decorative glass where needed
  • Coordinate vents and escape requirements
03

Plan the installation sequence

A clear programme protects the home and helps the team coordinate removal, fitting, finishing and aftercare.

  • Agree access and room preparation
  • Understand internal and external finishing
  • Keep guarantee and maintenance information together
Current product range

Replacement-window systems to compare

Use these product pages to review images, configurations and technical resources before discussing the measured specification.

Browse all products
From idea to installation

A clearer route through the project

Each stage narrows uncertainty before the products are manufactured.

  1. 01

    Share the property and priorities

    Send photographs, plans or rough sizes and explain what should improve.

  2. 02

    Compare suitable systems

    Review material, operation, glass, finish and practical trade-offs.

  3. 03

    Survey and confirm details

    Measure the openings and resolve access, interfaces and installation.

  4. 04

    Approve a written quotation

    Confirm the scope before manufacture, installation and aftercare.

Common questions

Useful answers before the first conversation

These are starting points. The property and measured specification still determine the final recommendation.

Should every window in the house use the same material?

Not necessarily. Consistency matters on visible elevations, but some projects combine systems where performance, opening size or architectural context differs. The survey should identify where consistency is essential and where a mixed specification is sensible.

Can replacement windows reduce outside noise?

They can, but the result depends on glass build-up, frame seals, vents, installation and other weak points in the room. Acoustic performance should be specified as a complete opening rather than assumed from double glazing alone.

Do I need planning permission to replace windows?

Many like-for-like replacements do not require a planning application, but listed buildings, conservation areas, flats and material changes can introduce restrictions. Check the property context before ordering.

How long does a whole-home replacement take?

The programme depends on the number and complexity of openings, access, product lead times and finishing work. The quotation and pre-installation planning should set out the expected sequence.

Can I replace the windows in phases?

Yes, where the elevations, finishes and future product availability have been considered. A phased plan should preserve visual consistency and avoid repeating access or finishing work unnecessarily.

Bring the project together

Turn the shortlist into a measured quotation

Share photographs, plans or rough sizes and the team will help focus the products, glass, finish and installation details.