Where’s the job?

Scope of Works

• inspect the patio door and lock mechanism to diagnose the fault

• remove and replace cylinders, handles, or multipoint components as needed

• re-align door and adjust keeps and striker plates to restore smooth locking

• replace or fit a new multipoint lock mechanism when repair is not possible

• test operation and check weatherseal and security

• wear appropriate PPE and remove old parts for disposal

Typical Cost

Time on Site

Most basic repairs and cylinder changes take 45 minutes–2 hours on site, while full multipoint replacements or significant realignment typically take 2–4 hours; times increase if corrosion, rotten frames or ordered parts are involved

Questions to Ask Your Tradie

• what is the likely cause and do you recommend repair or full replacement

• will you supply branded or like‑for‑like parts and can i approve parts before work

• do you provide a written quote and what warranty do you give on parts and labour

• how do you charge — call‑out plus hourly or a fixed price for replacement

• will you need access to both sides of the door and any scaffolding or additional equipment

• are you insured and can you provide references for patio door multipoint work

How to Avoid Surprises

• clear access inside and outside and move plants and furniture from the patio area

• ensure parking or a short loading space for the tradesperson's van

• confirm any leasehold or building management permission for external works or scaffolding

• check for loose or rotten frames that may require additional repairs

• be prepared to order specialist multipoint parts which can have 3–10 day lead times

• secure pets and advise neighbours if work will involve noise or scaffolding