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replacing a sash window

12 replies

extinctspecies · 02/03/2018 18:08

Has anyone had this done & could advise me very approximately how much it would cost?

Ds has a very drafty one in his room.

Medium size, house is not listed.

OP posts:
Pradaqueen · 03/03/2018 11:00

Quite difficult for anyone to help without dimensions. Are you planning on replacing with a wooden sash or a wood effect upvc?

I'd contact your local joinery that holds a fensa certificate for the former and a reputable high quality double glazing retailer for the latter. Bear in mind the latter will be cheaper as the windows are generally opened with springs but a like-for-like Victorian sash will be operated with weights. Or call in a specialist company to refurb and draught-proof?

JoJoSM2 · 03/03/2018 11:12

I’ve seen prices between 500 and 2k per sq metre of timber, double glazed sashes.

If it isn’t rotten, then I think you could just get it fixed it up with seals so it isn’t drafty.

skischoolhelp · 03/03/2018 11:22

All replacements will look very different even if made in wood so it would look dreadful to just replace one window. There are loads of options to improve an original window and would be a better option for the appearance of the whole house. About two thousand for a wooden sash window to be made to your dimensions.

extinctspecies · 03/03/2018 12:01

Thanks for the advice.

Definitely not having UPVC!

House is old and a hodge podge of different styles. This is the only sash window in the house, the others are all casements, and it's on a different side of the house so doesn't look weird.

£2k is a lot for one replacement window so I'll look into refurbishment/repair first.

OP posts:
UphillPhil · 03/03/2018 12:16

Is the wood still in good condition? You really don’t need to replace the whole window if so.

You can go a long way with just putting draught seals round the top / bottom & edges of the window frames. This stuff www.amazon.co.uk/gp/product/B00FO7OJ06?tag=mumsnetforum-21 for instance.

If that cuts the draughts, then the next step (if you want to go the whole hog) would be to get the sliding windows themselves double glazed - cheapest way would be to take them out yourself and drive them to a local glazier, but you could get a contractor to do it for you.

skischoolhelp · 03/03/2018 13:09

Oh it may be cheaper to get one made if not trying to match as I guess you don't need to replace with sliding sash with weights and cords if that is the only sash window. Much more expensive if you are trying to copy the rest of the windows as everyone who does sash cords charges a lot.

llangennith · 03/03/2018 13:36

DIL spent a fortune getting her wooden sash windows renovated and they’re still draughty and hard to open/shut properly.
You can get non-wood draught-free sash windows that look similar to wood and are more energy efficient.

skischoolhelp · 03/03/2018 13:57

I would just put secondary glazing up on the inside.

DropZoneOne · 03/03/2018 14:03

We had ours draught-proofed and refurbished - lived in a conservation area so couldn't replace with upvc. It was about £1k for 3 huge windows, almost floor to ceiling in a basement flat, but 12 years ago. Chap replaced the ropes, pulleys and weights, then put brushes round all the seals. Made a huge difference to the noise and the warmth in the room.

Pradaqueen · 03/03/2018 17:44

You definitely can't just get double glazing added to the current glazed panels as the weight differential may mean that the weights are not balanced. You'll need an expert to be-balance.

Sadly my expensive experience of having the windows returned was similar to a pp. still draughty and difficult to open Sad

Pradaqueen · 03/03/2018 17:44
  • refurbished
nataliaspoon · 24/03/2018 17:59

I had loads of quotes for double glazed sash Windows (wooden) and cost was absolutely crazy, a few companies were just to cheap to seem real...if it looks to good to be true then, hmmm. We ended up getting all 8 sash Windows refurbished, repaired and redecorated by a company in Kensington called Mortice and green best price we got and did a really good job too. Website not sure of but telephone is 020 7118 9191 If I remember rightly the website is www.morticeandgreensashwindowrepairs.co.uk can't say for 100% but a Google search will probably confirm. I actually found them on checkatrade website. Defo worth calling them

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