Bay and Bow Windows Repair in London
Bay and bow windows are iconic architectural features that add space , light , and character—but when they develop issues like draughts , misted double glazing , sash misalignment , or frame movement , they need specialist care . At Glazing London , we provide expert bay and bow windows repair in London , restoring performance , appearance , and energy efficiency across uPVC , timber , and aluminium systems .
Our skilled team of experienced Glaziers in London handles everything from resealing and realignment to replacement of failed double-glazed units , repair of damaged sills and mullions , hardware upgrades (hinges , locks , restrictors) , and corrective works for subsidence-related deflection on bay structures . Where immediate repair isn’t possible , we offer secure board-up and rapid follow-ups to minimise disruption .
Poorly performing bay/bow windows can drive up heating bills , introduce moisture and noise , and reduce curb appeal . We fix the root cause—thermal breaks , compromised seals , distorted frames , or perished gaskets—using high-quality materials and manufacturer-approved methods to ensure long-lasting results . Book an assessment today and bring clarity , warmth , and security back to your home .


Local Based in London

Contact Us 24/7

Repairs & Installation services
Bay and Bow Windows Repair in London – Restore Beauty , Security , and Efficiency
Bay and bow windows are some of the most elegant architectural features found in London homes . Extending outward from the property , they create additional space , allow panoramic views , and flood rooms with natural light . These windows are especially common in Victorian and Edwardian houses across the city , making them both a functional and decorative highlight .
But like all windows , they are not immune to damage . From sagging frames and water leaks to condensation between panes , bay and bow windows require professional repair to restore their integrity . At Glazing London , we specialise in Bay and Bow Windows Repair in London , offering secure , reliable , and long-lasting solutions that protect your property while preserving its character .
Our team of expert Glaziers in London has years of experience handling these complex structures . Whether you need frame realignment , double glazing replacement , or a full restoration , we deliver results that enhance security , energy efficiency , and aesthetics .
Why Bay and Bow Windows Need Specialised Repair
Bay and bow windows are structurally different from standard flat windows . Because they project outward , they place additional stress on frames and sills . Over time , this can cause sagging , leaks , and other issues . Common problems include:
- Sagging Frames – Heavy glass and frames may pull away from walls .
- Water Ingress – Poor sealing allows rain to penetrate , causing damp and mould .
- Condensation in Double Glazing – Broken seals lead to misted or foggy panes .
- Cracked or Broken Glass – Accidental damage or impact compromises safety .
- Faulty Locks and Hinges – Hardware wear and tear reduces security .
- Rotting Timber Frames – In older properties , timber bays may deteriorate .
Without professional repair , these problems worsen over time , resulting in higher energy bills , reduced property value , and potential structural damage .
Our Bay and Bow Windows Repair Services
At Glazing London , we provide a full suite of services tailored to bay and bow windows:
Frame Realignment and Structural Repairs
We stabilise sagging frames , reinforce weak sills , and ensure the bay structure remains secure .
Double Glazing Replacement
Misted or failed units are replaced with high-quality glass for improved insulation . See also our Double Glazing Windows Repair services .
Seal and Weatherproofing
We reseal gaps and joints to prevent draughts and water ingress .
Glass Replacement
From cracks to full breakages , we replace panes safely and efficiently .
Hardware Repairs
Handles , locks , hinges , and restrictors are repaired or replaced to restore security .
Heritage and Restoration Work
For listed or period properties , we offer sympathetic repairs that retain original character .
Benefits of Bay and Bow Windows Repair in London
Repairing your bay and bow windows has many advantages:
- Cost Savings – Far cheaper than a full replacement .
- Extended Lifespan – Adds years to your windows’ durability .
- Energy Efficiency – Proper sealing reduces draughts and bills .
- Improved Security – Strong , functional windows deter intruders .
- Aesthetic Preservation – Restores the beauty of period homes .
- Sustainability – Repair reduces waste compared to new installations .
Repair vs . Installation – Which is Right for You?
Not sure whether to repair or replace?
- Repair is ideal if your frames are solid but glass or seals have failed .
- Installation is better if your windows are beyond repair , inefficient , or you want an upgrade .
If replacement is required , explore our Bay and Bow Windows Installation in London service for stylish , energy-efficient upgrades .
Our Repair Process
We keep things simple , transparent , and efficient:
- Consultation – Call us or book online for a free assessment .
- Inspection – Our glaziers inspect your bay or bow windows for damage .
- Quote – We provide a detailed , no-obligation estimate .
- Repair Work – We complete repairs with minimal disruption .
- Aftercare – Advice and follow-up ensure long-lasting results .
Related Window Repair Services
While bay and bow windows are our specialty , we also offer:
- uPVC Windows Repair – For modern casement , sash , and tilt & turn designs .
- Aluminium Windows Repair – Durable solutions for aluminium frames .
- Double Glazing Windows Repair – Restoring efficiency to misted or cracked units .
Pricing and Cost Estimates
Repair costs vary depending on size , material , and extent of damage .
Repair Type | Typical Cost Range | Notes |
Double-glazed unit replacement | £150 – £400 | Depends on size and type |
Frame realignment | £200 – £500 | Structural complexity affects price |
Small glass pane replacement | £50 – £150 | Single panes only |
Large glass replacement | £200+ | Complex bow designs higher |
Hardware repair (locks , hinges) | £50 – £120 | Per unit |
For an exact quote , contact our team for a free , no-obligation estimate .
Conclusion – Book Bay and Bow Windows Repair in London Today
Don’t let damaged bay and bow windows spoil your property’s comfort , safety , or charm . At Glazing London , we provide professional Bay and Bow Windows Repair in London , tailored to the unique needs of every home or business .
Whether you need misted glass replaced , sagging frames reinforced , or full restoration , our expert Glaziers in London are ready to help . And if you’re considering an upgrade , explore our Bay and Bow Windows Installation in London service for stunning new designs .
📞 Contact us today for a free quote and restore the elegance of your windows with Glazing London .
Client Testimonials
FAQs
How long does a bay or bow window repair take?
The duration depends on the extent of the damage. We provide estimated timelines during the initial assessment.
Can you match the existing paint colour?
Yes, we can carefully match the existing paint colour or recommend suitable alternatives.
Do you offer emergency repair services?
Yes, we offer emergency services for urgent repairs.