Window & door lock repair · Semilong
uPVC door repairs, locks, handles & gearboxes in Semilong
Homeowners across Semilong call us for window & door lock repair. A door that won't lock or a handle that spins freely is a security risk. Our engineers in Semilong diagnose multipoint locking faults, worn gearboxes, snapped cylinders and loose handles, then fit quality replacement hardware so your home is secure again.
- Local engineers in Semilong
- No call-out fee
- Guaranteed workmanship
Common lock & handle problems we fix
- Lost keys or moving house — cylinder needs changing
- Multipoint lock hooks or rollers no longer catch the keeps
- Window handle snapped, stiff or won't close fully
- Key turns but the door still opens — or the key won't turn at all
- Door handle drops, feels loose or won't lift to engage the lock
How a lock repair works
1. Diagnose
We find whether the fault is the cylinder, gearbox, full multipoint strip or door alignment.
2. Replace
Worn parts are swapped with matched hardware — including anti-snap cylinders if you want an upgrade.
3. Test
We adjust keeps and test every locking point so the door opens and locks smoothly.
Most lock faults are fixed by replacing a single part, not the whole door — and we carry common gearboxes and cylinders on the van.
Why it breaks: what our engineers find in Semilong
Cheap or old cylinders
Older euro cylinders wear internally, so keys stick or won't turn — and many are vulnerable to lock snapping.
Slamming and heavy use
Busy front and back doors get slammed and leant on daily, loosening handles and fixing screws over time.
Door dropping out of line
When hinges wear, the door sags and the locking hooks no longer meet the keeps. Forcing the handle up then strains the gearbox until it breaks.
Covering Semilong and nearby
Being based in Wootton (NN4) means Semilong is one of the quickest places for us to reach across Northampton.
As well as Semilong, we look after the rest of Northampton, including East Hunsbury, Upton, Lings and Hunsbury.
Most window & door lock repair jobs in Semilong are quoted on the first visit, with no obligation.
Window & door lock repair in Semilong: FAQs
Can you replace just the handle?
Yes, we match handle style, colour and spindle length for doors and windows.
Is there a call-out fee?
No — there's no call-out fee, and we give you the price before any work starts.
Do you fit anti-snap locks in Semilong?
Yes, we fit high-security anti-snap cylinders that resist the most common burglary method.
My uPVC door is locked shut — can you open it?
Yes. We regularly open doors with failed gearboxes and fit the replacement part on the same visit wherever possible.
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