uPVC Windows Repair in London
Your uPVC windows play a vital role in keeping your home safe , energy-efficient , and comfortable all year round . Over time , however , even the most durable uPVC frames can develop common issues such as faulty locks , broken handles , worn-out weather seals , and misted double-glazing units . Left untreated , these problems can compromise your property’s security , increase heating bills , and reduce overall comfort .
At Glazing London , we provide specialist uPVC Windows Repair in London for homeowners , landlords , and property managers . Our team of skilled glaziers and technicians combines years of hands-on experience with the latest repair techniques to deliver fast , reliable , and cost-effective results . Whether it’s replacing hardware , resealing frames , or restoring clarity to misted glass , we make sure your windows are restored to peak condition .


Local Based in London

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Repairs & Installation services
uPVC Windows Repair in London – Secure , Efficient , and Reliable Solutions
Your uPVC windows play a critical role in keeping your property safe , energy-efficient , and visually appealing . They’re durable , easy to maintain , and built to last , which is why they’re one of the most popular window choices across London . But like any part of a home or commercial property , uPVC windows can develop faults over time .
At Glazing London , we specialise in professional uPVC Windows Repair in London . Whether it’s a misted glass unit , a broken handle , damaged seals , or an alignment problem , our team of skilled glaziers delivers fast , reliable , and affordable repairs . We proudly cover every London borough and provide both scheduled repairs and 24/7 emergency window services .
Common uPVC Window Issues
Even the strongest uPVC windows are not immune to problems . Some of the most frequent issues we repair include:
- Broken or Stiff Handles and Locks – If your handles or locks have jammed , it compromises your security . We replace hardware quickly and securely . (See our Casement Windows Repair)
- Misted or Foggy Double Glazing – Failed seals cause condensation between panes , reducing clarity and efficiency . We replace misted units with new , insulated glass . (Check our Double Glazing Windows Repair)
- Damaged Hinges or Seals – Worn seals allow draughts and water leaks , while broken hinges make windows difficult to open . We replace them with durable components . (Learn more at Flush Sash Windows Repair)
- Window Alignment Problems – Misaligned windows create gaps , rattling , and draughts . Our technicians realign them to restore a perfect fit . (See Sliding Sash Windows Repair)
- Frame Damage – In rare cases , the uPVC frame itself may crack or warp . We assess whether repairs or replacements are more cost-effective . (More info in Bay & Bow Windows Repair)
Our uPVC Window Repair Services
At Glazing London , we provide a complete suite of uPVC window repair services in London designed to handle every possible fault:
- Lock , Handle & Hinge Repairs or Replacements – Restoring full security and smooth operation . (Also see Tilt & Turn Windows Repair)
- Glass Replacement for Misted or Cracked Panes – From small panes to large bays , we replace damaged glass to restore insulation .
- Seal & Gasket Repairs – Stop draughts , water leaks , and external noise with new seals and gaskets .
- Window Realignment & Adjustment – Correcting gaps , rattles , and misalignments for improved energy efficiency . (Related: Aluminium Windows Repair)
- Emergency Repairs 24/7 – Rapid response for smashed panes , vandalism , or urgent faults . (Full coverage in Window Repair London)
Why Choose Glazing London?
- Specialist Expertise – Decades of experience repairing uPVC , aluminium , and timber systems .
- Local Knowledge – Based in London , we know the climate , property types , and urgent needs of city homeowners .
- Fast Response Times – Emergency callouts usually attended within hours .
- High-Quality Repairs – Durable parts fitted by skilled Glaziers in London .
- Transparent Pricing – Fair quotes with no hidden extras .
- Warranties on Work – Peace of mind with every repair .
The Benefits of uPVC Window Repair
Repairing your uPVC windows offers many advantages over replacement:
- Cost Savings – Repairs cost a fraction of full installations .
- Energy Efficiency – New seals and properly aligned hinges reduce heating costs .
- Extended Lifespan – Repairs can add 10+ years to your windows .
- Environmental Benefit – Less waste compared to full replacement .
- Preserve Character – Keep the look of your existing windows , especially in period homes .
Residential & Commercial Repairs
Residential Properties
For homeowners , security and comfort are everything . A draughty sash or misted bay window can affect an entire living space . Our tailored uPVC window repairs in London restore warmth , safety , and peace of mind .
Commercial Properties
For businesses , appearance and security are critical . A cracked shopfront window sends the wrong impression to customers . We deliver fast , discreet repairs for offices , retail shops , and landlords managing multiple units .
Emergency uPVC Window Repairs – 24/7
Accidents and break-ins don’t wait for business hours . That’s why we provide emergency uPVC window repairs in London , available day or night . Our vans are stocked with glass units , hinges , locks , and boarding-up materials so we can secure your property immediately .
- Break-ins and vandalism
- Weather damage
- Accidental impacts
Costs of uPVC Window Repairs in London
Pricing depends on the size , style , and type of repair , but we remain competitive and transparent .
Repair Type | Typical Cost Range | Notes |
Handle or Lock Replacement | £50 – £120 | Hardware model affects cost |
Hinge Repairs | £75 – £150 | Per window |
Seal Replacement | £80 – £200 | Prevents draughts & leaks |
Misted Double-Glazing Replacement | £120 – £300 | Based on size & thickness |
Emergency Call-Out | From £100 | Depends on time & urgency |
Our Repair Process – How It Works
- Initial Contact – Call or book online .
- Assessment – We inspect your windows and provide a quote .
- Repair Work – Completed efficiently with premium parts .
- Aftercare – Advice on maintenance for long-term performance .
Repair vs Replacement – Which is Best?
- Repair is ideal if your frames are strong but hardware or glass has failed .
- Replacement is better if windows are old , inefficient , or frames are warped .
If replacement is the better solution , we also offer professional uPVC window installation in London for a seamless upgrade .
Local Coverage Across London
We proudly serve all London boroughs , from Camden , Islington , and Hackney to Westminster , Lambeth , and Southwark . Whether it’s a small residential repair or a major commercial project , Glazing London has you covered .
Conclusion – Contact Glazing London Today
Don’t let faulty or misted windows compromise your home or business . At Glazing London , we provide expert uPVC Windows Repair in London with reliable workmanship , fair pricing , and rapid response times .
📞 Contact us today for a free , no-obligation quote and let our expert glaziers restore your windows to full performance .
FAQs
How much does a uPVC window repair cost?
Prices vary depending on the type of repair needed. We offer free, no-obligation quotes after assessing your windows.
Can all uPVC window problems be repaired?
Most issues can be fixed without replacing the entire window. We’ll assess the problem and provide the most cost-effective solution.
Do you offer emergency repair services?
Yes, we provide emergency window repairs across London. If your window is posing a security risk or letting in the elements, contact us for a quick response.
Our main expertise area

Casement windows Repair

Flush sash windows Repair

Bay & Bow windows Repair

Tilt & Turn windows Repair

Sliding sash windows Repair