Sill damage repair cost

Spotted some damage to your window sills? If your sills are cracked, uneven or in the case of wooden sills, rotten, they can potentially let rain and damp into your home. This is why it’s important to get them repaired as soon as possible.

You can tackle some basic window sill repairs yourself with some mortar and a paint job, but it’s recommended to call in a professional. There could be more damage than you realise. In some cases, it could be better to replace the sill altogether.

In this guide, we’ll look at the average sill damage repair cost, including door sills.

How much does sill damage repair cost?

The cost of window sill repair depends on what the sills are made from. Plus, the extent of the damage. For example, rotten wooden sills may be too damaged to be saved, whereas smaller cracks in concrete sills should be quite easy to fill.

On average though, to call in a specialist to carry out sill damage repair works costs between £25 and £40 an hour.

Cost of window sill replacement

If the extent of the damage is too severe, or it’s just not cost-effective to carry out a repair, you’ll need to consider replacing the whole sill. The cost of window sill replacement varies depending on what type of window it is (i.e. sash, bay etc) and the size of the sill. It should cost between £110 and £180 to replace the window sill.

For an accurate price though, you’ll need to get an expert to assess the damage. They can tell you whether a repair or replacement is the best option, and give a custom quote.

Door sill damage repair cost

It isn’t just window sills that can become damaged. The sills of your doors, also known as thresholds, can also end up cracked, dented or even rotten.

The typical door sill damage repair cost is around £60 to £110, although it depends on what the sill is made of and what’s causing the damage.

FAQs

How do I know if my window sill needs repairing or replacing?

The first thing to do is to check your sills for signs of rot. This can indicate damage that needs to be repaired or replaced. Water or damp problems inside the house can also be signs of problems with your window sills.

What’s involved with window sill repair?

There are a few different methods used to repair damaged window sills, depending on what the problem is. A skilled repair specialist can cut the rotten face of the wood back, then carefully glue in a new section of seasoned wood. Corners can be strengthened with angle brackets made from stainless steel. For problems with joints, they can simply be re-glued.

How long does window sill repair take?

It all depends on what’s wrong with your window sills and whether they can be repaired in situ, or if they have to be taken away. But for smaller repairs, it can take anywhere from 30 minutes to three hours. The more extensive the damage, the longer it’ll take to fix.