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Scope of Works
• inspect internal and external sill, timber and surrounding plaster for rot, damp and mould
• probe and measure sill depth and decay to determine repair or full replacement
• check adjoining window frame, cill fall and external pointing to identify cause of water ingress
• photograph defects, record dimensions and list required materials and finishes
• provide options and a written quote covering labour, materials, finishes and any access costs
• identify safety issues such as lead paint or extensive rot and advise on specialist removal and PPE
Typical Cost
Charge Type | Low £ | High £ | Notes |
|---|---|---|---|
Call-out / Minimum | £70 | £120 | Initial visit and basic inspection (30–60 min) |
Labour per hour | £45 | £85 | Skilled joiner or carpenter rates |
Materials | £15 | £180 | Timber, fillers, sealants, primer and paint where needed |
Disposal | £20 | £60 | Small waste removal; larger jobs may need skip or tip fees |
Extras (e.g. scaffolding) | £180 | £650 | Scaffold or mobile tower hire for above-ground-floor access |
TOTAL (most jobs come in here) | £160 | £900 | Most local sill repairs and written quotes after inspection |
Time on Site
Most inspections and consultation visits take 45–90 minutes; a small on‑the‑day repair may take 1–3 hours. Factors that extend time include extent of rot or replacement, requirement for scaffold or mobile tower, access constraints, drying or curing times and adverse weather for external work
Questions to Ask Your Tradie
• have you repaired sills like this before and can you show photos or references
• do you recommend repair or full replacement and what criteria do you use
• which materials and treatments will you use and are these guaranteed
• will the price include scaffold, waste removal and any permits or management company approvals
• how long until I can repaint or close the window after repairs and are there drying times
• what guarantees or warranties do you provide for workmanship and materials
How to Avoid Surprises
• clear furniture and ornaments from the window area and provide safe internal access
• give tradie parking details or restrictions so they can allow for van space and equipment
• tell the tradie about narrow access, stair carries or restricted delivery points in advance
• declare any lead paint, asbestos or heavy mould so the correct containment and specialists can be quoted
• check whether landlord, leaseholder or local authority permission is needed for scaffolding or external works
• agree where waste will be stored or removed and whether you expect the tradie to clear it away
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