Loft & Roof Insulation in London

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Loft & Roof Insulation in London

Are you trying to find loft insulation in London? Our network of installers are can aid with your job. Every one of our installers in London are checked so you can see local customer reviews, when the business was founded, ratings, approval and also cost permitting you to make the appropriate decision on who to hire. Let us take the hassle out of finding up to 4 experts for your roof insulation project.

 

The kinds of roof covering insulation available depend on the kind of roofing that it will be used with. With a pitched roof, either warm or cool loft insulation can be appropriate. Cold loft space insulation is the least expensive option, merely involving positioning insulation over and also above wood joists. However, as this only protects against warmth running away the living location of the residence, it isn't appropriate for those seeking to hidden the loft right into a living space. Warm loft space insulation is put directly under the roofing system, and also thus will keep the loft space at a continuous temperature level over the training course of the year. Thus, it is perfect if the loft space is utilized as a home. Cozy loft space insulation is available in various types, be it glass-wool or polystyrene. Spray foams can likewise be made use of, but in some instances might be unsuitable.

 

Types of loft insulation

Blanket Insulation

The most common kind of loft space insulation, this is available in rolls of rock, glass or mineral fibre (we make use of Earthwool by Knauf which is a truly great environmentally friendly choice), or else foil-backed felt. It's typically the most inexpensive choice as well as excellent all-purpose insulation, specifically for between joists. It's the most convenient type to fit but isn't appropriate for the roofing.

 

Loose-fill Insulation

This type of insulation consists of a loose, light-weight, material, such as cork granules, cellulose fiber, mineral wool or perhaps recycled paper. It can be made use of to cover up existing insulation or by itself. The primary downside is it isn't extremely secure and also can be truly untidy!

 

Sheet Insulation

Company boards of either synthetic or natural materials, this is the best service for protecting the bottom of your roofing system. The boards offer extremely reliable insulation for your loft room as well as can likewise be decorated over. The drawback is that sheet insulation tends to be the most expensive type.

 

Blown-fibre Insulation

Loosened products of different kinds blown in between joists, this is excellent for hard-to-get-at locations yet does not supply a complete option, particularly in a draughty loft space. It's also expensive and also needs to be mounted by a professional.

 

We will provide up to 4 Loft insulation pros in your area, that will certainly offer quotations for the work you desire done. You'll receive a property visit from professionals in London that'll aid you to select the ideal Loft insulation for your residence prior to performing the installment. Enter your postal code to start looking now.

Average Loft insulation cost in London

The typical cost of Loft insulation is £600. Costs differ based upon the materials and the contractor selected. The upper price range can be as high as £690. The material costs are in most cases approximately £150

Average price per Loft insulation job in 2026

Avg. price low

Avg. price low
£350

Avg. price

Avg. price
£2,863

Avg. price high

Avg. price high
£5,345

£5900

£4425

£2950

£1475

£0

Prices based on actual Loft insulation costs for London, as reported by local LeadsDoWork members.

Loft insulation installation cost in London 2026

Labour cost £420
Material cost £150
Waste removal £30
Time frame: 1-3 days
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Loft insulation searches in October 2026

Loft insulation Projects in London in September 2026

262,017

Requests for quotations in London in September 2026

8,100

Requests for Loft insulation quotations in London in September 2026. -18% change from August 2026.

6,600

Requests for Loft insulation quotations in London County in September 2026. 0% change from August 2026.

We noted 262,017 requests for property quotations in London. Of these quote requests the number of loft insulation quotations within London was 8,100. Local Quotes would have been in a position to match these consumers with up to 4 suitable installers who were available for work within London at that time. Ask for a free property survey from trustworthy companies within London.

Source: Numbers calculated based on the search volumes in major search engines

Loft insulation searches in cities and towns near London September 2026

8,100

Requests for quotations in London in September 2026

London

England's capital city is now recovering from a successful Olympic Games and this giant multi-million pounds task, along with a number of homes plans, has modernised the city post-war. Regardless of this, there are still loads of homes giving an insight to the past and Tudor, Georgian and Victorian houses line the roads. With a contrast of the outdated and the brand new, there are numerous initiatives homeowners tackle, from energy efficiency updates to house extensions.

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Loft insulation pros in London

BAU UK Ltd

57 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...

Latest review

Paul A., BH15
5

Insulation | Loft / Roof in Poole

Prompt response, pleasant and courteous contact, reasonably priced, work satisfactorily completed the next day. A pleasi...

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 ...

Latest review

Funke A., SO23
4

Insulation | Loft / Roof in Winchester

home appointment due tomorrow, but phone quotation also availible

Similar Customer Enquiries for Loft insulation in London

28 Mar

Insulation | Loft / Roof

London - SW19

Enquiry from: Bishara P

Start Date: Immediate

To open access and insulate the back addition On first floor as drafts comes through the down lights. Access and insulation was present. But on renovation access was plastered

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08 Mar

Insulation | Loft / Roof

London - SW19

Enquiry from: Bishara P

Start Date: Immediate

To open access and insulate the back addition On first floor as drafts comes through the down lights. Access and insulation was present. But on renovation access was plastered

Post a similar request >

20 Jan

Insulation | Loft / Roof

London - E8

Enquiry from: Matthew O

Start Date: Immediate

i need a quote for the lofts insulation are you the property owner: owner of the property how many bedrooms do you have: 1-2 do you currently have loft insulation: no age of property: 1900-30 are you ...

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17 Jan

Insulation | Loft / Roof

London - SW17

Enquiry from: Rohan S

Start Date: Immediate

roof insulation needed

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10 Aug

Insulation | Loft / Roof

London - SE15

Enquiry from: Mo A

Start Date: Immediate

roof and cavity wall insulation to move from epc d to b are you the property owner: owner of the property property type: terrace how many bedrooms do you have: 3-4 do you currently have loft insulati...

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30 May

Insulation | Loft / Roof

London - W4

Enquiry from: George J

Start Date: Immediate

270mm loft insulation approx ***m across 2 lofts

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23 Feb

Insulation | Loft / Roof

London - SE4

Enquiry from: Vivien v

Start Date: Immediate

Flat roof insulation on an existing flat roof

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16 Feb

Insulation | Loft / Roof

London - W7

Enquiry from: Matthew F

Start Date: Less than one month

customer in london areas is looking to do a couple of projects at the moment, and would like quotes for loft & roof insulation.confirmed interest via email at 16/02/2024 01:24.please call to arrange a...

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12 Feb

Insulation | Loft / Roof

London - SE4

Enquiry from: Vivien v

Start Date: Immediate

Flat roof insulation on an existing flat roof

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15 May

Insulation | Loft / Roof

London - SW12

Enquiry from: Samantha K

Start Date: Immediate

Loft insulation quote required, Thanks

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04 May

Insulation | Loft / Roof

London - SE6

Enquiry from: Theresa A

Start Date: Immediate

Loft insulation is required for a standard terraced property in Catford, London.

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26 Mar

Insulation | Loft / Roof

London - SE6

Enquiry from: Jasmin J

Start Date: Immediate

customer in london areas is looking to do a couple of projects at the moment, and would like quotes for loft & roof insulation.confirmed interest via telephone and email at 26/03/2023 16:05.please cal...

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12 Jan

Insulation | Loft / Roof

London - N16

Enquiry from: Clare M

Start Date: Immediate

i would like information and a quote for loft insulation for a pitched roof. the rafters currently have no insulation which is causing damp, leaks and mould. the floor of the loft is already insulated...

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04 Dec

Insulation | Loft / Roof

London - SE11

Enquiry from: Anna B

Start Date: Immediate

installing insulation 270 or 300mm in loft for terrace house in kennington (***). loft area of 42 square meters. pitched roof. existing insulation of 10cm to be removed (unless advised otherwise). we ...

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26 Sep

Insulation | Loft / Roof

London - W13

Enquiry from: Gavin P

Start Date: Immediate

I have a small void/loft space that I'm seeking to insulate. It's

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05 Sep

Insulation | Loft / Roof

London - SW16

Enquiry from: Stephen C

Start Date: Immediate

5 foot high crawl space in basement. looking to replace and improve all insulation. are you the property owner: owner of the property property type: semi detached how many bedrooms do you have: 3-4 d...

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28 Aug

Insulation | Loft / Roof

London - SE2

Enquiry from: John T

Start Date: Immediate

blown insulation for 18inch ceiling gap covering the whole 2 bedroom ground floor flat. are you the property owner: owner of the property property type: other how many bedrooms do you have: 1-2 do yo...

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31 Jul

Insulation | Loft / Roof

London - SW6

Enquiry from: Mo M

Start Date: Immediate

Loft insulation. About 6 rolls. easy access, natural light. Empty loft

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24 Jun

Insulation | Loft / Roof

London - SW19

Enquiry from: Juliet W

Start Date: Immediate

Cash back. Juliet Wall

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20 Jun

Insulation | Loft / Roof

London - W5

Enquiry from: Roger K

Start Date: Immediate

​the sloping loft room ceiling, ashlar wall and eves void floor are uninsulated and i’m interested in a quote. thanks a lot, roger are you the property owner: owner of the property property type: ...

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You did your best no fault with you the trouble lies with me ran out of money thank you Edward

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Saved us Helped us in a tricky situation, the bedroom roof was empty of isolation and needed a soundproofing, my daughter was 9 month pregnant. We got help at once .Perfect soundproofing .In time ,P ...

FAQs

Is loft insulation flammable?

When thinking about the right insulation material for your loft, some of the first few things that comes to mind is the various properties of that material as well as how good they fit with your home’s needs.naturally, you’d like to ensure that the insulation will be efficient enough to add to the overall energy efficiency of your home, however there are also other features that may not get as much attention but also happens to be equally important. As the primary function of an insulation is to blanket your house to offer a barrier against heat loss, going for an insulation material that’s also fireproof is crucial as loft insulation can burn. Although most insulation materials are fireproof, a myriad of problems can actually make your insulation burn.

 

For instance, fibreglass insulation is produced using glass combined with plastic polymers and is naturally resistant to fire. However, even at that you’d have to be careful with batts that are supported with foil or paper due to the fact that these materials can burn pretty quickly. Cellulose, on the other hand, is not fireproof and is required to be treated by other flame retardants in order to help reduce combustion. Some of the best insulation materials that are resistant to fire includes the following:

  • Fibre glass. This is made of glass that’s spun into fibres, then combined using plastic polymers. As a result, fiberglass insulation is naturally resistant to fire.
  • Mineral wool. Having a high melting temperature, this insulation material happens to be a great fit for thermal applications due to its superior fire resistant properties. In fact, mineral wool is still naturally non-combustible even if composed of recycled iron and steel by-products, or from actual mineral rock itself.
how much is loft insulation?

More often than not, several homeowners fail to realize there’s so much value sitting right under their roof - the loft. When a loft is insulated, there are so many juicy benefits that can be derived. It can go a long way to save increase you energy savings and several more functions. Therefore, if you really wish to maximize the space under your home’s roof, you’d have to considering insulating it. So how much would it cost to have your loft insulated? Here, you’ll discover the cost of insulating your lofts so you that you can set a budget and start to plan.

 

The cost of insulating a loft is actually affordable for several individuals, however, this depends on a wide range of factors such as the size of the house as well as the type of insulation being installed. One significant factor is the insulating material that you choose to install. If done properly, you’d be able to prevent heat from escaping through the roof of the house which helps improve energy efficiency and ultimately, save you some money on heating bills.

 

If you’d prefer to make it a DIY project and you go for a blanket insulation it costs about £5 per m2. therefore, this will cost within the range of £100 to about £150 for a small home.

 

For a professional service, you’ll be provided with a quote for both the materials and labour. The amount will be based on the number of insulation required, the company hired, your location as well as the method selected. The price to purchase and install blanket insulation  would be between the range of £300 to £400 depending on the size of your home.

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.

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.

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