Roof Insulation Prices

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Average Roof insulation cost

The average cost of Roof insulation is £10000. Costs fluctuate based on the materials and the company chosen. The upper price range can be as high as £11500. The material costs are in most cases around £2500

Average price per Roof insulation job in 2025

Avg. price low

Avg. price low
£4,000

Avg. price

Avg. price
£6,375

Avg. price high

Avg. price high
£8,250

£8800

£6600

£4400

£2200

£0

Prices based on actual Roof insulation costs for your area, as reported by local LeadsDoWork members.

Roof insulation installation cost in your area 2025

Labour cost £7,000
Material cost £2,500
Waste removal £500
Time frame: 1-2 days

Advantages for Roof insulation

  • Reduced energy bills as less heat is being wasted through the walls
  • Will make your home warmer and more comfortable

Disadvantages for Roof insulation

  • Some insulation and coloured render have been known to crack after being exposed to sunlight
  • It can result in terraced houses having a very large edge between the adjoining properties
  • High installation costs can sometimes result in a long period of time before the reduced bills cover the cost

Roof insulation Manufacturers

Alumasc Façade Systems

Roof insulation FAQs

Will roof insulation save me money on my energy bills?

This depends on the amount of insulation already present in your property. However, adding insulation has been proven to improve the energy efficiency of your home and decrease your heating bills, this is more obvious in older properties or where single glazing is still in situ.

How long does it take to install roof insulation?

How long it takes to install insulation will depend on the size of your property. In general, loft and cavity wall insulation can be installed in a day or two. External wall insulation will usually take longer to install. The rep or installer will be able to advise you when quoting for the job how long this will be.

Which type of insulation is best?

The best type of insulation for your property will depend on the type of walls and any insulation that’s already present. It’s usually a good idea to have some form of wall insulation as well as loft insulation, as this helps to prevent heat loss in both areas.

How to Insulate your Roof | Fuel Poverty

Our reviews

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Would highly recommend, they found me a firm which I was happy with a quote they give me and went ahead and had my job done within 2 days of enquiring.

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Weatherdry Insulation

Based: in Tamworth, B79

We are a company that specialises in Damp Proofing & Insulation. We have a 100% success rate in res...

Latest review

John W., SY6
14th December 2020

Insulation | Loft / Roof in Church Stretton

Polite and friendly but did not provide the materials we wañted .

BAU UK

Based: in Petersfield, GU31

BAU UK are a complete home improvements specialists located in the South Coast, with focuses ranging...

Latest review

Paul A., BH15
15th May 2021

Insulation | Loft / Roof in Poole

Prompt response, pleasant and courteous contact, reasonably priced, work satisfactori...

Metropolitan Insulation

Based: in London, N5

Usemyloft is a superior form of loft insulation. It is permanent unlike conventional fibreglass/mine...

Latest review

Sennen C., HA1
20th October 2015

Insulation | Loft / Roof in Harrow

Punctual and finished on time. Good value for money

Bright Home Renewables

Based: in Bournemouth, BH8

Bright Home Renewables are a leading polyurethane spray foam insulation, roofing and loft room speci...

Latest review

Paul F., HP10
7th March 2017

Insulation | Loft / Roof in High Wycombe

We were unable to proceed as the cost was more than we had anticipated, but the compa...

Renewable Solutions Team

Based: in Leigh, WN7

Renewable Solutions Team is based in Leigh and have 4 positive reviews

Latest review

Matthew M., WA5
18th December 2016

Insulation | Loft / Roof in Warrington

Sent a person out to do surveyor out he did his job was a nice fella explained things...

DB Energy Assessments

Based: in Kidderminster, DY10

We are passionate about renewable energy and helping people and businesses save money through their ...

Latest review

P., B16
18th October 2016

Insulation | Loft / Roof in Birmingham

Honest opinion given which I valued very highly Could easily have said I need to redo...

GM Energy

Based: in Peterborough, PE1

GM Energy is based in Peterborough and have 26 positive reviews

Latest review

Robert H., PE19
2nd December 2015

Insulation | Loft / Roof in St. Neots

Good solid company.

Rated Local builders

Weatherdry Insulation Ltd

8 review(s)
Based: in Tamworth, B79 7XH

We are a company that specialises in Damp Proofing & Insulation. We have a 100% success rate in resolving damp issues connected to any form of damp. We can also offer the latest solutions to condensation. We offer a FREE, NO OBLIGATION damp ...

BAU UK Ltd

11 review(s)
Based: in Petersfield, GU31 4AD

BAU UK are a complete home improvements specialists located in the South Coast, with focuses ranging from windows and doors to insulation and solar. Fully accredited, insured and trained in the latest technologies, our team can offer leading services...

Metropolitan Insulation

6 review(s)
Based: in London, N5 5DU

Usemyloft is a superior form of loft insulation. It is permanent unlike conventional fibreglass/mineral wool which deteriates and renders your loft floor unusable. We insulate under the roof in the rafters,keeping the heat out in summer and creating ...

Bright Home Renewables LTD

7 review(s)
Based: in Bournemouth, BH8 8EW

Bright Home Renewables are a leading polyurethane spray foam insulation, roofing and loft room specialist. Whether you are a domestic client looking for loft insulation or roof stabilisation or an architect or contractor needing assistance with a ...

DB Energy Assessments

2 review(s)
Based: in Kidderminster, DY10 2TN

We are passionate about renewable energy and helping people and businesses save money through their energy bills, and potentially even make a profit by making a few changes. DB Energy Assessments has ventured into a number of markets in the 5 yea...

Renewable Solutions Team LTD

4 review(s)
Based: in Leigh, WN7 3XZ

Renewable Solutions Team LTD based in Leigh, offer services in Insulation. They have an average rating of 4.13 from 4 review(s). See their latest 4 star review below

GM Contracts LTD T/A GM Energy

26 review(s)
Based: in Peterborough, PE1 5TP

GM Contracts LTD T/A GM Energy based in Peterborough, offer services in Insulation. They have an average rating of 4.32 from 26 review(s). See their latest 5 star review below

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