What does Room-in-roof insulation look like and where does it fit in your house?
Think of room-in-roof insulation as an extra layer for your attic. It comes in a few different shapes and sizes:
Type of insulation | What does it look like? | Where does it go? |
Blanket roll insulation | Soft and fluffy, like a wool blanket. | Fills the gaps between wooden beams. |
Rigid board insulation | Solid and flat rectangles covered with foil or natural materials. | Fits between wooden beams also. |
The type of insulation you use will depend on the size and shape of your attic loft. Our friendly team can help you choose the best insulation for your home.
Average installation time
1 to 5 days, depending on the size of your home.
Energy efficiency:
A three-bedroom, semi-detached home can save 580 kg of CO2 every year with room-in-roof insulation. That’s the same as running your washing machine 800 times, or heating the average home with a gas boiler for five weeks!
Approximate cost saving:
Room-in-roof insulation could save you:
£460 per year if you live in a four-bedroom, detached home.
£255 per year if you live in a three-bedroom, semi-detached home.
(Energy Saving Trust. Based on 2024 fuel prices).
The cost to install Room-in-roof insulation can vary and is based on a few factors:
The type of insulation you choose.
The size of your attic. loft
Whether your home isit’s a new build or existing property.
Here’s a breakdown of the types of room-in-roof insulation and how much they cost:
Type of insulation | Materials cost | Installation cost | Approx cost (for an average loft in York) |
Blanket roll insulation | £5 to £10 per square metre | Approximately £250 per day | £750 to £1,500 |
Rigid board insulation | £20 to £50 per square metre | £400 to £600 per day | £1,500 to £3,000 |
(Based on April 2024 costs).
FAQ's - Room-In-Roof-Insulation
Does your loft conversion get cold in winter and hot in summer? Room-in-roof insulation is the recommended way to make your attic more comfortable and energy-efficient.
This special type of insulation can be added to the walls and ceiling of your attic to control the temperature. This is perfect for lofts that have been converted into a bedroom, office, or playroom.
Room-in-roof insulation can save a semi-detached home around £255 a year on energy bills. Homes in York can now access government grants to help cover the costs. Our advisers can help you find the best room-in-roof insulation for your home. They can also connect you with accredited suppliers to get it installed.
( Energy Saving Trust. Insulating a gas-heated home, 2024 fuel prices).
What is room-in-roof insulation?



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We recommend these types of Room-In-Roof insulation for homes in York


Room In Roof Insulation Explained
You may be eligible for a government grant to help pay for insulation.
Save money on your energy bills.
Enjoy a more comfortable attic, all year round.
How does room-in-roof insulation work?
Room-in-roof insulation is a great way to make your attic or loft conversion more comfortable to live in. It’s like a cosy blanket for your loft. This type of insulation involves lining the walls and ceiling with special materials, like mineral wool insulation.
These materials keep the warm air inside in winter, so you don’t need to use as much heating. In summer, it keeps the hot air out, making your attic space cooler and much more comfortable.

What does Room-in-roof insulation look like and where does it fit in your house?
Think of room-in-roof insulation as an extra layer for your attic. It comes in a few different shapes and sizes:
Type of insulation | What does it look like? | Where does it go? |
Blanket roll insulation | Soft and fluffy, like a wool blanket. | Fills the gaps between wooden beams. |
Rigid board insulation | Solid and flat rectangles covered with foil or a natural material. | Fits between wooden beams also. |
The type of insulation you use will depend on the size and shape of your attic. Our friendly team can help you choose the best insulation for your home.

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Room-in-roof insulation
What is room-in-roof insulation?

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How can I make installing room-in-roof insulation more cost-efficient?
Room-in-roof insulation is great for homes with loft conversions. It works even better when paired with other energy solutions.
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