Bifold · Sliding · Commercial doors · Aluminium windows
Aluminium door & window repairs, servicing & remedials
Professional aluminium door and window repairs for homes and businesses. We specialise in bifold doors, sliding doors, commercial entrance doors and aluminium windows, with fast call-outs, planned servicing and long-term remedial work.
Covering Newcastle, Sunderland, Durham, Teesside, North Yorkshire and surrounding areas.
Why choose us?
- Aluminium system specialists, not general handymen
- Repairs for all manufacturers & installers
- Residential & commercial coverage
- Honest pricing with no upselling
- Preventative servicing to avoid costly failures
Stiff bifold, dragging slider or a commercial door failing compliance checks: we fix it properly.
Fixing it yourself?
Replacement rollers, handles, locks, seals and other spares for bifold and sliding doors are available from our parts site.
Shop parts at Bifold Bits ↗Our repair & servicing services
Aluminium bifold door repairs
- Doors catching, dropping or not closing
- Failed rollers, hinges or carriers
- Misalignment after building movement
- Locking, handle & gearbox faults
- Draughts, water ingress & worn seals
Aluminium sliding door repairs & servicing
- Roller & track replacement
- Lift & slide adjustment
- Lock and handle repairs
- Track cleaning & lubrication
- Weather performance improvements
Commercial aluminium doors & windows
- Office & retail entrance doors
- Automatic & manual aluminium doors
- PAS 24 / Document L remedials
- Snagging & defect rectification
- Planned maintenance contracts
Aluminium window repairs
- Casement & tilt-and-turn windows
- Failed hinges & friction stays
- Locking & restrictor repairs
- Gasket replacement
- Sealed unit replacement
Transparent pricing (guide)
Final prices depend on access, system type and parts needed. Every quote is confirmed before work starts.
Residential repairs & servicing
- Call-out & assessment
- From £85
- Bifold door adjustment
- £95 – £145
- Sliding door service
- £95 – £160
- Roller replacement (per door)
- £125 – £185
- Lock or gearbox replacement
- £150 – £250
- Window repair & adjustment
- £85 – £140
- Sealed unit replacement
- £120 – £260+
Commercial & remedial works
- Site inspection & report
- From £150
- Remedial labour (per day)
- £240 – £450
- Snagging / defect works
- Fixed quote
- Planned maintenance contracts
- POA
Why regular servicing matters
- Extends door & window lifespan
- Prevents roller and track failure
- Improves thermal & weather performance
- Reduces emergency repair costs
- Maintains safety & compliance
We recommend annual servicing for residential systems and planned maintenance for commercial doors.
Repairs & servicing FAQs
Do you repair doors installed by other companies?
Yes. We repair and service all aluminium systems, whoever installed them.
Can you fix Smart Systems, Schüco, Reynaers, Cortizo etc.?
Yes. We work on all major aluminium systems and profiles.
Do you offer emergency call-outs?
Yes, subject to availability. Call 01915 000775.
Can you provide reports for builders or managing agents?
Yes. We provide written remedial reports, snag lists and recommendations.
Is servicing worth it?
Yes. Most expensive failures (rollers, tracks, gearboxes) can be prevented with routine servicing.
Where can I buy replacement parts myself?
Handles, rollers, seals and other spares are available from our parts site, Bifold Bits (bifoldbits.co.uk).
Book a repair or service
Don't wait until a door fails completely. We'll give you honest advice and book an engineer if needed.
Prefer to write? Send us an enquiry.