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Replacement Double Glazed Units Penrith | Cumbria

Call our Team

Based in Appleby-in-Westmorland

Kendal, Windermere & South Lakes Installation Teams

Teams in Penrith, Keswick & The North

Our central Cumbrian headquarters, providing local accountability and expert-led site surveys for every project.

Teams in Penrith, Keswick & The North

Kendal, Windermere & South Lakes Installation Teams

Teams in Penrith, Keswick & The North

Local installers familiar with the unique architectural requirements and weather-sealing needs of Northern Lake District homes.

Kendal, Windermere & South Lakes Installation Teams

Kendal, Windermere & South Lakes Installation Teams

Ultra-Slim Sliders & Heritage Aluminium French Doors

Dedicated regional crews providing high-speed service and professional project management across the South Lakes area.

Ultra-Slim Sliders & Heritage Aluminium French Doors

Ultra-Slim Sliders & Heritage Aluminium French Doors

Ultra-Slim Sliders & Heritage Aluminium French Doors

Architectural systems including slim-line sliding doors and heritage French doors designed for maximum glass and minimal sightlines.

Timber-Look, Sashes & Aluminium-Look uPVC

Ultra-Slim Sliders & Heritage Aluminium French Doors

Timber-Look, Sashes & Aluminium-Look uPVC

Our full suite of high-performance alternatives, from vertical sliding sashes to R7, R9 & R2 designer frames that replicate the look of metal or wood.

10-Year Manufacturer Backed Guarantee

Ultra-Slim Sliders & Heritage Aluminium French Doors

Timber-Look, Sashes & Aluminium-Look uPVC

Total peace of mind with a robust guarantee that positions you as a premium authority and protects your home investment.

Need to replace Double Glazed Unit Replacements for your home in Cumbria?

Send us your photos on WhatsApp and our technical team will quickly review and come back to you with a price

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Professional Glazing Repairs Across Penrith & Cumbria

Misted glass? Cracked double glazing? Failed window units?

At Windows in the Lakes, we provide professional glazing repairs and double glazed unit replacements across Penrith, Cumbria and the surrounding areas.

Whether you have condensation trapped inside your glass, broken panes, failed sealed units or damaged door glass, we can help restore the appearance, security and thermal performance of your windows and doors without necessarily replacing the full frame.


We work on:


  • uPVC windows 
  • Aluminium windows 
  • Composite doors 
  • Patio doors 
  • French doors 
  • Conservatories 
  • Heritage glazing 
  • Residential and light commercial properties 


Fast, professional and properly installed.

request a free quote

Get Quote for Glazing Repairs or Double Glazed Units

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Glass Repairs & Double Glazed Unit Replacements Penrith

Windows in the Lakes

01768 254554/ projects@windowsinthelakes.co.uk

Misted Double Glazed Units

One of the most common glazing problems we see is condensation trapped between the panes of glass.

This happens when the sealed unit fails over time, allowing moisture to enter between the glass panes.


Common signs include:


  • Foggy or cloudy glass 
  • Moisture between panes 
  • Permanent condensation 
  • Reduced visibility 
  • Draughts or cold spots 


In many cases, the glass unit itself can be replaced while keeping your existing frame.


This can dramatically improve:


  • Appearance 
  • Energy efficiency 
  • Comfort 
  • Visibility 
  • Kerb appeal 


Without the cost of full window replacement.

Cracked & Broken Glass Replacement

Accidents happen.


Whether caused by impact, failed toughened glass, movement, or general wear over time, we can replace damaged glazing units across a wide range of window and door systems.


We can replace:


  • Cracked double glazing 
  • Broken toughened glass 
  • Door glass panels 
  • Conservatory roof glass 
  • Safety glass 
  • Patio door glass 
  • Obscure bathroom glazing 


We’ll survey the existing glass, confirm specification requirements and arrange replacement as quickly as possible.

Call our team to discuss

Energy Efficient Glass Upgrades

Older double glazed units often perform far worse than modern glazing.


Replacing failed or ageing units can help:


  • Reduce heat loss 
  • Improve comfort 
  • Reduce draughts 
  • Improve acoustic performance 
  • Modernise older windows 


Many homeowners are surprised how much warmer a room feels after replacing older failed glazing units.


Particularly in Cumbria, where windows spend most of the year being attacked by rain, wind and sideways weather apparently invented by angry mountain spirits.


Many styles are also available with smooth “SleekSkin” finishes for a more refined painted appearance. 


You can even choose different colours internally and externally to better suit your interior décor and external brickwork.

Request a free quote

Why Choose Windows in the Lakes?

We are a Cumbria-based glazing company focused on quality workmanship, professional surveying and honest advice.

Unlike many repair-only firms, we understand full glazing systems and installation standards across both modern and heritage properties.


Why customers choose us:


  • Local Cumbria installation team 
  • Professional surveying 
  • Quality replacement units 
  • Honest recommendations 
  • Modern energy efficient glazing 
  • Aluminium, uPVC & composite expertise 
  • Fast response times 
  • Clear quotations 


We focus on doing the job properly, not rushing through as many callouts as possible.

Our Process

1. Initial Enquiry

Send us photos or details of the issue along with rough sizes if possible.


2. Survey Visit

We confirm glass specifications, measurements and any safety glass requirements.


3. Manufacture

Your replacement glazing unit is manufactured to suit your existing system.


4. Installation

We carefully remove the failed unit and install the replacement glass, ensuring proper sealing and operation.

Areas We Cover

We provide glazing repairs and replacement glass services across:

  • Penrith 
  • Carlisle 
  • Kendal 
  • Keswick 
  • Appleby 
  • Kirkby Stephen 
  • Windermere 
  • Ambleside 
  • Cockermouth 
  • The wider Cumbria region

Frequently Asked Questions

Please reach us at projects@windowsinthelakes.co.uk if you cannot find an answer to your question.

Yes. In many cases the sealed glass unit can be replaced while retaining the existing frame.


Condensation trapped between the panes is usually the clearest sign.


Yes. We can replace toughened units used in doors, low-level glazing and larger panes.


Request Your Replacement Glass Quote

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01768 254554
projects@windowsinthelakes.co.uk
www.windowsinthelakes.co.uk

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