Loft & Roof Insulation in Lewisham

Discover Loft & Roof Insulation Prices in Lewisham

Home > Insulation Projects > Loft insulation > Lewisham

Loft & Roof Insulation in Lewisham

Are you trying to find loft insulation in Lewisham? Our network of installers are can help with your project. Every one of our installers in Lewisham are inspected so you can see local testimonials, when business was created, reviews, satisfaction as well as rate enabling you to make the ideal choice on who to hire. Allow us take the headache out of locating up to 4 experts for your roof insulation job.

 

The types of roof insulation offered depend upon the sort of roofing that it will certainly be used with. With an angled roof, either warm or cool loft insulation can be suitable. Cold loft space insulation is the cheapest alternative, merely entailing positioning insulation beyond wood joists. Nonetheless, as this only prevents warmth running away the living location of the residence, it isn't ideal for those looking to covert the loft space into a living space. Cozy loft insulation is positioned directly under the roof covering, and for this reason will maintain the loft space at a consistent temperature throughout the year. Thus, it is perfect if the loft space is made use of as a space. Cozy loft insulation is available in various forms, be it glass-wool or polystyrene. Spray foams can likewise be used, yet sometimes might be inappropriate.

 

Kinds of loft insulation

Blanket Insulation

One of the most common type of loft insulation, this comes in rolls of rock, glass or mineral fiber (we utilize Earthwool by Knauf which is a truly excellent environmentally friendly choice), otherwise foil-backed felt. It's usually the most inexpensive alternative and good all-purpose insulation, especially for between joists. It's the simplest kind to fit however isn't appropriate for the roof covering.

 

Loose-fill Insulation

This kind of insulation consists of a loose, light-weight, material, such as cork granules, cellulose fibre, mineral wool or even recycled newspaper. It can be used to top up existing insulation or on its own. The major drawback is it isn't really safe and secure and can be actually untidy!

 

Sheet Insulation

Firm boards of either artificial or natural products, this is the very best solution for insulating the underside of your roof covering. The boards provide extremely efficient insulation for your loft room and can additionally be decorated over. The downside is that sheet insulation often tends to be one of the most expensive type.

 

Blown-fibre Insulation

Loosened materials of various kinds blown in between joists, this is excellent for hard-to-get-at areas however doesn't use a full remedy, especially in a draughty loft space. It's additionally pricey as well as needs to be set up by a professional.

 

We will supply approximately 4 Loft insulation pros locally, that will certainly use quotations for the work you desire done. You'll get a property visit from experts in Lewisham who'll help you to select the best Loft insulation for your house before performing the installment. Enter your postal code to begin browsing currently.

Average Loft insulation cost in Lewisham

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 Lewisham, as reported by local LeadsDoWork members.

Loft insulation installation cost in Lewisham 2026

Labour cost £420
Material cost £150
Waste removal £30
Time frame: 1-3 days
Advertisement

Loft insulation on Google in Lewisham

Google searches that showed Local Quotes, 17 July to 14 October 2026

9

Searches that showed our Loft insulation page for Lewisham

6,338

Searches that showed one of our pages for Lewisham, all services

116

Searches that showed our Loft insulation page for London County

Source: Google Search Console, the number of times our pages appeared in Google search results. It counts searches that showed the page, not quote requests.

Loft insulation searches near Lewisham, 17 July to 14 October 2026

8

Searches that showed our page for Greenwich

6

Searches that showed our page for Lambeth

4

Searches that showed our page for Abbey Wood

Lewisham

The London Borough of Lewisham is a London borough in south-east London, England and forms a part of Inner London. The borough wasformed in 1965, by the London Government Act 1963, as an amalgamation of the former area of the Metropolitan Borough of Lewisham and the Metropolitan Borough of Deptford, which had been established in 1900 as divisions of the County of London. Nonetheless, minor boundary modifications have occurred since its creation. The most substantial amendments were made in 1996, when the former part of the Royal Docks in Deptford was transferred from the London Borough of Greenwich.

The local authority is Lewisham London Borough Council and it is based in Catford. The borough covers a total area of about 13.57 square miles. It is encompassed by the Royal Borough of Greenwich to the east, the London Borough of Bromley towards the south and also the London Borough of Southwark towards the west. The River Thames forms a short section of northern boundary with the Isle of Dogs inside the London Borough of Tower Hamlets. Deptford Creek, Pool River, River Quaggy and River Ravensbourne pass by way of the borough.

In line with population estimates produced during 2014, Lewisham is a borough with roughly 291933 permanent residents. Around 43 per cent of homes are owner-occupiers. The Prime Meridian passes through Lewisham. Blackheath, Goldsmiths, University of London and Millwall F.C. are positioned within the borough.

Looking for Loft insulation in Lewisham?

Get free quotes from local builders

Get free quotes

Loft insulation pros in Lewisham

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

Loft & Roof Insulation 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

Loft & Roof Insulation in Winchester

home appointment due tomorrow, but phone quotation also availible

Similar Customer Enquiries for Loft insulation in and around Lewisham

23 Jun

Loft insulation

Croydon - CR0

Enquiry from: Pat T

Start Date: Immediate

Quotes for insulation needed

Post a similar request >

17 Jun

Loft insulation

Rainham - RM13

Enquiry from: Frasina P

Start Date: Immediate

I would like to do loft isolation of my property (address removed)

Post a similar request >

28 Mar

Loft insulation

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 >

23 Jan

Loft insulation

Coulsdon - CR5

Enquiry from: Pelin C

Start Date: Immediate

Conservatory roof insulation required. existing conservatory with dwarf walls all round, upvc windows above, and a lightweight polycarbonate roof. i already have 40 mm pir (celotex) insulation boards

Property: detached · Bedrooms: 3-4

Post a similar request >

18 Jan

Loft insulation

Bromley, Keston - BR2

Enquiry from: Gray R

Start Date: Immediate

Loft insulation , pitch roof detached house

Post a similar request >

04 May

Loft insulation

Belvedere - DA17

Enquiry from: Isaiah O

Start Date: Immediate

Loft and roof insulation

Post a similar request >

20 Jan

Loft insulation

London - E8

Enquiry from: Matthew O

Start Date: Immediate

I need a quote for the lofts insulation

Bedrooms: 1-2

Post a similar request >

17 Jan

Loft insulation

London - SW17

Enquiry from: Rohan S

Start Date: Immediate

Roof insulation needed

Post a similar request >

27 Dec

Loft insulation

Hornchurch - RM12

Enquiry from: Michael S

Start Date: Immediate

I need foam insulation removed

Post a similar request >

Advertisement

Local & reliable builders near me

Tell us about your loft insulation project

Answer a few quick questions, so we can match you with local builders who can help.

Find up to 4 builders in Lewisham

Get free, no-obligation local loft insulation quotes from 4 verified builders working in Lewisham.

Hire with confidence

Compare customer reviews, services and prices, and choose the right tradesperson for you.

Our reviews

Average

Very good service and will use you ...

Very good service and will use you again Thank you

You did your best no fault with you ...

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

Saved us Helped us in a tricky sit ...

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

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 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.

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.

how does loft insulation work?

A lot of an uninsulated property’s heat is lost through the roof and that’s even more alarming, when you realize this figure is up to a quarter of the total heat of the house. Hence, the tremendous importance of preventing this heat loss through loft insulation which will go a long way to help you against spending unnecessary thousands of pounds on heating bill as well as energy loss.

 

Loft insulation is an effective method to achieve the desired result, however the question is, how exactly does it work? Well, it’s time to find out!

 

Using either a fireplace or central heating to heat up your home, a large quantity of that heat would be lost through the roof of your home. Generally, heat rises and when it does, there’s simply no way to prevent it - it’s just science. Escaping by both the conduction and convection methods via your roof, the heat escaping through your ceiling, into the loft space and out into the open air outside can only be significantly reduced by laying loft insulation.

 

Generally, the added layer of insulation works by trapping the heat inside the room below the loft so as to enable the air within your house to stay warmer for longer. What’s more? The layer of insulation also keeps cold air from the outside from entering your home. As a result, you don’t have to heat your home as much in order to achieve the same temperature for each individual room. Over time, just by doing this you can potentially save hundreds pounds. Getting it installed in your home may actually seem a bit expensive at first, but it’s something that’ll eventually pay off.

Loft insulation

Other Top Projects in Lewisham

Are you a builder in Lewisham?

We can help you get more loft insulation work with our qualified job leads and boost your business.

Join today