Window sill replacement exterior in Exeter
Professional window sill replacement exterior services in Exeter and surrounding areas. Local, reliable handyman - no job too small.
Price Guide
£85-110
Typical Duration
1-2 hrs
Location
Exeter, Devon
Professional exterior window sill replacement across Exeter and Devon. We remove rotten or damaged exterior sills and replace them with properly prepared, weatherproof timber that'll last for years.
Exterior window sills are exposed to Devon's weather year-round. Even good timber eventually fails, especially if paint maintenance has lapsed. Rotten sills look bad and allow water to damage the wall below.
We provide complete sill replacement - removing the old sill carefully without damaging the window or surrounding brickwork, then fitting new timber that's been properly prepared and sealed against the elements.
| Sill Material | Durability | Cost | Notes |
|---|---|---|---|
| Hardwood (oak/iroko) | Excellent | Higher | Lasts 20+ years, takes paint well |
| Treated softwood | Good | Moderate | 10-15 years, needs regular painting |
| Composite | Very good | Highest | Low maintenance but less traditional |
All timber is cut with a proper drip groove on the underside to shed water away from the wall. We seal the sill to the brickwork properly to prevent water ingress. Paint or finishing is additional but can be done at the same time.
Why Choose Us for Window sill replacement exterior in Exeter?
Stop water damage to walls below
Improve window appearance
Weatherproof replacement timber
Proper installation and sealing
What to Expect
1. Assessment and preparation We'll check the extent of damage and confirm the sill can be replaced without window removal (usually possible). We'll measure for the replacement timber and confirm material choice with you.
2. Removal and fitting We carefully remove the old sill, clean the seating, and check for any wall damage. We fit the new sill with proper sealing to the window frame and wall, ensuring water can't get behind it.
3. Finishing preparation We seal gaps and leave the sill ready for painting. If you've booked painting as part of the job, we'll apply primer and topcoats. Otherwise we'll advise on suitable paint systems.
🔧 DIY Tips
- Check sills annually and touch up paint as soon as it fails
- The drip groove underneath is critical - don't paint it solid
- Seal the joint between sill and window frame every few years
- Hardwood sills need less maintenance than softwood
- Replace sills before rot spreads to the window frame
Rather leave it to a pro? No problem - that's what I'm here for. Give me a call.
Good to Know
Sill replacement is often discovered when painting windows - you notice soft timber. It's worth replacing sills proactively when paint fails rather than waiting for serious rot. Multiple sills done at once is more cost-effective as we're set up for the work. Ground floor sills are most vulnerable as they get splashback from ground level.
Frequently Asked Questions
Why do exterior window sills rot?
Exterior sills take constant weather exposure. Water sits on them, paint fails, and rot sets in - especially in older homes with softer timber. Once rot starts, it accelerates as the timber stays damp.
How much does exterior window sill replacement cost?
Most sill replacements cost £85-£110 per sill depending on size and accessibility. This includes removing the old sill, fitting new weatherproof timber, and basic sealing. Paint finishing is additional.
What timber do you use for replacement sills?
We typically use hardwood or pressure-treated softwood with proper drip grooves. The choice depends on your preference and budget. Hardwood lasts longer but costs more. All timber is properly primed before installation.
Can you replace sills on upstairs windows?
Yes, but access equipment may be needed for upper floors, which affects cost. Ground floor and first floor accessible from ladder are straightforward. Higher levels or awkward access need discussion.
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01392 964094Request Online QuoteOur Rates
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