Loft insulation Costs

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Loft insulation

Loft insulation

The natural direction for heat is up and uninsulated lofts will lose a quarter of your home’s heat. This means you’ll be paying out much more than you need to on energy bills and creating more carbon emissions in the process.

With the recommended amount of loft insulation you can slash your bills for 40 years, for little installation costs and a quick payback.

Whether your home is uninsulated, or is in need of a top-up, read more to find out the savings you’ll make with our loft lagging guide.

How much will I save with loft insulation?

Loft insulation is a great way to save money as it’s installed with minimal hassle and payback is as little as two years.

  • The Energy Saving Trust recommends loft insulation of 270mm in thickness to make the most from its heat saving abilities.

  • And with this recommended level you’ll be saving up to £175 every year. Considering installation costs range between £100 and £350, payback is achievable in just two years.

  • With loft insulation retaining heat and reducing bills for 40 years, you’ll see a brilliant return of investment on your purchase.

  • As well as the financial saving you’ll make, you’ll also be benefitting the environment by reducing your home’s carbon footprint. With the recommended 270mm of lagging you’ll be able to cut emissions by around 720kg a year.

Just topping up your existing loft lagging will help you save more money too, so it’s not just uninsulated properties that will benefit.

Recommended areas to insulate

Insulating your loft will retain heat in the home but will make the area above colder, which could result in pipes and water tanks freezing. This means they need to be insulated.

With cool air in the loft you could find draughts creeping through the loft hatch. This too will need adequate insulation and draught excluding material can be fitted around the frame’s edge.

Loft insulation quotes

Cheap loft insulation is a great way to reduce your bills as most heat loss in your home is through the roof. Lagging helps to retain heat, cutting bills by up to £175 a year.

If you’re interested in reducing your expenses and boosting your finances, complete our quick form and receive up to four FREE loft insulation quotes from vetted and reputable installers.





Average Loft insulation cost

Average price per Loft insulation job in 2021

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Avg. price low
£450

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£600

Avg. price high

Avg. price high
£690

£800

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£400

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Loft insulation installation cost in 2021

Labour cost £420
Material cost £150
Waste removal £30

Advantages for Loft insulation

  • You'll prevent up to one half of the heat generated in your home from disappearing
  • Your home will feel warmer in the winter, and cooler in the summer
  • Reduce your energy bills - this could be as much as £200-250 per year with loft insulation
  • Your carbon emissions will also be reduced. This could be as high as 1.4t

Disadvantages for Loft insulation

  • Condensation and damp issues after loft insulation if done incorrectly

Loft insulation Manufacturers

Loft insulation FAQs

How long does it take to install 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.

Will 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.

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 .

Protecting Home Energy

Based: in Stockbridge, SO20

Protecting Home Energy is an experienced, professional, reliable and competitive service assisting y...

Latest review

Derrick C., BS25
6th June 2019

Insulation | Loft / Roof in Winscombe

Very professional the speed of contact and sending a surveyor was impressive. The adv...

METROPOLITAN INSULATION

Based: in London, N5

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

Latest review

Funke A., SO23
20th December 2018

Insulation | Loft / Roof in Winchester

home appointment due tomorrow, but phone quotation also availible

PAINTING & DECORATING

Based: in Wellington, TA21

Love the jobs you hate no job too big or small we do it all so give us a call for a free quote???

Latest review

Robert P., TA20
2nd December 2018

Insulation | Loft / Roof in Chard

Very efficient pleasant and v tidy. Very good price

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...

ThermoFoam Installations

Based: in Bodmin, PL31

The UK Spray Foam Insulation Specialists 100% NATIONWIDE COVERAGE – FREE on-the-spot estimate,...

Latest review

Manish C., SW16
5th May 2017

Insulation | Loft / Roof in London

Waiting for appoinment

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...

J & B MAINTENANCE

Based: in Watford, WD25

We are a property maintenance team that specialise in all aspects of roofing, flat and pitched, repa...

Latest review

Brenda L., AL2
3rd February 2017

Insulation | Loft / Roof in St. Albans

I only had one quote but I was entirely happy with J & B Maintenance

DB Energy Assessments

Based: in Kidderminster, DY10

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

Latest review

Hilary A., WR12
22nd January 2017

Insulation | Loft / Roof in Broadway

Excellent. Very efficient, tidy worker and our home is so much warmer now.

GBROOFING

Based: in Somerset, TA21

GBROOFING is based in Somerset and have 17 positive reviews

Latest review

Michael R., TA4
3rd November 2016

Insulation | Loft / Roof in Taunton

GB did well. Bright and breezy in style. Price seemed OK though did not get a compa...

Rated Local builders

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Wigan - WN6

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Enquiry from: Claire S

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