- Postcode district
- DT1
- Survey
- Priced from photos or a diagnostic visit
- Booking
- Most repairs are booked within a few weeks, parts permitting
- Guide price
- From £95 inc VAT
- Nearby
- Weymouth, Wareham, Bridport
- Building rules
- England
Common sliding door faults we fix in Dorchester
Most sliding door problems come down to a handful of worn parts, and a repair is often far cheaper than a new door:
Before calling out anyone in Dorchester for a door that will not lock, check whether the panel has dropped: if the hooks no longer meet the keeps, adjustment may be all it needs.
When sending photos of a Dorchester door for a repair quote, include any label on the frame edge or spacer bar, because it can help identify the system and its parts.
- Where a repair is not worth doing, for example because parts are unavailable, we say so plainly rather than fitting parts that will not last.
- A well-maintained, repaired door can give years more service, making a repair a sensible first step when the frame and glass are otherwise sound.
- Repairing or refurbishing a damaged track removes the dips and burrs that make rollers jump, which stops a panel coming off its track.
Typical repair costs around Dorchester
Use the table to budget for a repair in Dorchester. Prices include VAT, parts and fitting, and are confirmed before we attend.
| Repair | Guide price inc VAT |
|---|---|
| Re-alignment, adjustment and service | £125–£195 |
| Lock or gearbox replacement | £165–£295 |
| Misted sealed unit replacement (per pane) | £225–£495 |
| Track repair or refurbishment | £195–£395 |
How repairs work in Dorchester
Repairs in Dorchester start with photos or, if needed, a diagnostic visit. Once you approve the price we book the repair: most repairs are booked within a few weeks, parts permitting, and specialist parts are ordered where needed.
Rules for sliding door repairs in England
Like-for-like repairs such as new rollers, locks, handles or adjustment are not building work under the Building Regulations in England. If the whole door is replaced, it becomes a controlled fitting and the replacement rules apply.
Repairs and upgrades to consider
- Track repair or refurbishment. Repairing damaged track sections, or fitting a new track cover where the system allows.
- Lock and gearbox replacement. A new mechanism when the handle turns but the door will not lock.
- Roller replacement. New rollers for each sliding panel, restoring a smooth, quiet action.
Questions about sliding door repairs in Dorchester
Do you repair sliding doors in Dorchester?
Yes. We repair sliding doors in Dorchester and across Dorset, including nearby Weymouth. Send photos or a short video and we will tell you the likely fix and cost before booking a visit.
How do I know if my sliding door rollers need replacing?
Sliding door rollers usually need replacing when the panel becomes hard to push, rumbles or grinds as it moves, sits lower at one end or jumps off the track. Cleaning the track first is worth trying, because grit can cause similar symptoms. If the door is still heavy once the track is clean, the rollers are likely worn or broken.
How can I stop my sliding door needing repairs?
Keeping the track clean is the most effective way to keep a sliding door running well, because grit wears rollers and damages the track surface. Vacuum the track regularly, wipe it with a damp cloth, keep drainage slots clear and avoid slamming panels into their stops. Our maintenance guide has a simple routine.
Can a sliding door track be repaired?
A damaged sliding door track can often be repaired or refurbished, depending on the door and how badly the track is worn. On some systems a replacement track cover can be fitted over a worn track, and on others a damaged section can be repaired. If the track is part of a frame that is failing more widely, replacement may be the better option.

