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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To ask your advice re conservatory upgrade

37 replies

snapdragongirl · 27/02/2026 12:12

Our house has a large brick built conservatory, it’s a great space but is so cold in winter and hot in summer, it isn’t a very usable room. It is off our living room and could offer an additional reception space if it weren’t so cold/hot, although it’s questionable how much we’d actually use it as it doesn’t have privacy from the living room (double glass doors) and I suspect we would still mainly use the living room to sit in, watch telly etc.

We are currently looking to replace our windows so asked the company for a quote to upgrade the conservatory as well - all new windows, doors and a proper tiled roof. It would be classed as an extension once done. The quote for the conservatory was over £60k! This seems a huge amount of money to spend on a room we might not actually use that much, just to make it a bit nicer and to match with the new windows.

So I’m thinking of other options, eg could we just put a new roof on? Would this make a significant difference to the temperature? I think most heat is lost through the roof rather than the windows (roof is nasty corrugated plastic type material, windows are double glazed although at least 20-25 years old and probably not the best). Could this be a cheaper but still effective solution?

Much as the upgraded conservatory looks so much better in the pictures we’ve seen, I’m just not sure we can justify spending £60k on what feels like an “extra” room. We plan to stay here a good few years yet, so we would have the benefit of the work and I suspect it would make the house more saleable in the long term, but would it be better to do something cheaper with the roof and save the money for something that we would feel more benefit from (eg new bathrooms)?

Has anyone done a conservatory roof upgrade and felt it was worthwhile?

OP posts:
tinyspiny · 01/03/2026 14:55

Our conservatory was half brick walls and off our lounge , we had it knocked down and built an extension in the same place thus making our lounge bigger and lighter as the extension has a pitched roof with velux windows .

Nannyfannybanny · 01/03/2026 14:50

Oh, yes,we have kookaburra shade blinds,its all we could afford because of the size.

Nannyfannybanny · 01/03/2026 14:49

My neighbours had a flat fibreglass roof put on their conservatory a few years ago, unfortunately they won't tell us how much it cost..it had 2 roof lanterns but is incredibly dark, even on a bright summer's day..we inherited a conservatory,dwarf brick walls, replaced the roof 10 years ago,it cost £8k. It's now raised glass,was a plastic lean to. The conservatory is 21x11 feet. How big are your conservatories? Our back garden faces north but it's a detached bungalow,so the sun goes over the roof (it's just starting now the days are getting longer) 2 radiators,air cooler, it does reach 40c in summer,we have a proper portable air conditioning unit..it's full of plants from October to April. Our dining table is in there,a couple of easy chairs and coffee table,we used it,most of the year. When I go into our south facing living room on a cloudy day like today,it's really dark in there.

Flumposie3 · 01/03/2026 14:42

I have 2 heaters that I use in Winter and had blinds fitted that absorb some of the heat in Summer. It is my favourite room from Spring .

WutheringTights · 01/03/2026 14:37

When we bought our house over 10 years ago, the conservatory was such a drawback it nearly made us not buy it. We’re finally knocking it down, adding a proper room and reconfiguring the downstairs but, tbh, I wish we’d just knocked it down when we moved in. Like yours it was unusable for 50 weeks of the year. It also made garden access more faffy and the kitchen dark. I wouldn’t buy another house with a conservatory if I could possibly avoid it, so in your shoes I wouldn’t spend any more money on it, I’d knock it down and enjoy the extra garden. Sorry, no help.

Iamanunsafebuilding · 01/03/2026 14:13

We replaced our plastic conservatory roof with a glass one and it’s made a big difference. Less hot in the summer and less cold in winter as the glass is insulated and tinted blue. Ours is off our kitchen so we needed to keep light coming in. Cost about £8k about 5 years ago and we’re really happy we did it.

Whaleandsnail6 · 01/03/2026 14:10

Our conservatory was already 2 full walls and 2 dwarf walls, one which was the kitchen wall and the other with patio door on to the garden.

We had the polycarbonate roof replaced a couple of years ago with a flat roof with skylight. Its made a massive difference to temperature.

I love it as a room now, the only downside is that the kitchen is darker but I can live with that for the conservatory being usable all year round

snapdragongirl · 01/03/2026 14:05

Thank you! We would also need to have glass panels in the roof to allow light into the living room. Doors to garden could do with replacing (although would be hard to match to existing windows). But no other structural work etc.

OP posts:
Bluesclues1 · 01/03/2026 10:24

We are doing something similar in our house and we’ve been quoted around £30k to upgrade the roof, add skylights/french doors and then reconfigure the walls in the kitchen/dining room (our utility is currently in the conservatory so want to move it back). The quote includes the required steels where we’re removing walls but not electrics/plumbing - we are also stripping everything out ourselves.

Edited to say we’ve had 3 quotes for local builders, all between £28-£34k. We are in the south west.

snapdragongirl · 01/03/2026 10:21

Has anyone else just replaced the roof on a conservatory and able to comment on the difference it made?

OP posts:
snapdragongirl · 27/02/2026 14:39

Thank you, I think we will do just that and speak to some other companies.

OP posts:
winnieanddaisy · 27/02/2026 12:18

I’d shop around just for a roof on it . Get lots of quotes . It would make a big difference.

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