External wall insulation in Swansea

External wall insulation Prices in Swansea

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External wall insulation in Swansea

Are you searching for External wall insulation in Swansea? Our network of installers can assist with your job. All of our Builder in Swansea are inspected so you can see local reviews, when the business was created, reviews, approval and day rate,  allowing you to make the best decision on who to employ. Allow us take the inconvenience out of discovering approximately 4 professionals for your External wall insulation task.

A wall does numerous things, just one of which is to hold the roof covering up. Because the 1970s the wall's duty in keeping the warm in has actually ended up being increasingly important.

Exterior wall surface insulation entails dealing with a layer of insulation material to the wall, then covering it with a unique sort of render (plasterwork) or cladding. The finish can be smooth, textured, colored, tiled, panelled, pebble-dashed, or do with block slides.

 

Is External Wall Surface Insulation Well Worth doing?

There are a variety of problems to be addressed prior to setting up external wall insulation, but the benefits are numerous, including:

  • Lowering warm loss and also energy costs
  • Reducing drafts and raising the feeling of comfort
  • It does not disrupt the house while being installed
  • It does not decrease internal flooring location
  • It permits wall surfaces to add to thermal mass (the 'tea cosy' impact).
  • It improves weatherproofing and also sound resistance.
  • It enhances the life of the wall.
  • It decreases condensation on inner wall surfaces.

 

Is Preparation Permission Needed for External Wall Surface Insulation?

Whatever else exterior wall surface insulation does, it will transform the exterior look of your house. Most of the times that will certainly mean acquiring preparation permission prior to embarking on the job, so do contact your neighborhood authority from the start. For homes in Sanctuary as well as for provided buildings it is fairly feasible that authorization will certainly not be forthcoming.

Under Building Regulations, if 25 percent or more of a wall is to be insulated externally, it is normally required to bring the whole wall surface as much as current requirements-- which makes feeling in that, if you're mosting likely to most likely to the initiatives and also expense of shielding externally, after that you might too do it well. The thermal efficiency of the protected wall surface should have a U value of no greater than 0.30.

 

How much will it set you back?

Exterior wall insulation is costly yet effective. Including it as part of a larger job will decrease the cost, plus it does not need to be done to the whole home; an attractive front altitude may be preferable to internal insulation, while less eye-catching side and also back elevations can be shielded externally. Yet despite the greater price, the benefits outside insulation supplies over internal mean that it is difficult to neglect.

 

Normal installation costs of strong wall surface insulation.

  • Exterior wall insulation: around ₤ 10,000.
  • Internal wall surface insulation: around ₤ 8,200.

* Based upon a typical 3-bedroom, semi-detached house in Great Britain.

 

We will supply approximately 4 External wall insulation pros in your area, who will provide quotes for the work you desire done. You'll receive a home visit from experts in Swansea that'll assist you to select the appropriate External wall insulation for your home prior to carrying out the installation. Enter your postal code to start searching currently.

Average External wall insulation cost in Swansea

External wall insulation is expensive but effective. Adding it as part of a project can reduce costs. You don't need to do the whole house, maybe just the front. Typically costs are around £5000-£9000.

 

Average price per External wall insulation job in 2026

Avg. price low

Avg. price low
£6,000

Avg. price

Avg. price
£9,000

Avg. price high

Avg. price high
£15,000

£15500

£11625

£7750

£3875

£0

Prices based on actual External wall insulation costs for Swansea, as reported by local LeadsDoWork members.

External wall insulation installation cost in Swansea 2026

Labour cost £3,000
Material cost £5,500
Waste removal £500
Time frame: 2 - 3 Days

External wall insulation searches in June 2026

External wall insulation Projects in Swansea in May 2026

5,427

Requests for quotations in Swansea in May 2026

0

Requests for External wall insulation quotations in Swansea in May 2026. 0% change from April 2026.

0

Requests for External wall insulation quotations in West Glamorgan in May 2026. 0% change from April 2026.

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

External wall insulation searches in cities and towns near Swansea May 2026

Swansea

The city of Swansea is the second most inhabited city area in Wales, with 239,000 people. It is just behind the capital of Cardiff in this respect. Swansea is found in the southwest of Wales, lying against the shoreline and as a significant city, features high home prices in comparison to the remainder of the country. For the work you need completed on your property, make sure you use only reputable trade experts and have a top quality job carried out with no inconvenience.

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Similar Customer Enquiries for External wall insulation in Swansea

28 Oct

Insulation | External Wall

Swansea - SA1

Enquiry from: Tony J

Start Date: Immediate

A quote for insulate a conservatory roof

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18 Apr

Insulation | External Wall

Swansea - SA1

Enquiry from: Ian J

Start Date: Immediate

a ballpark figure of how much to insulate my 3.5 mx 3 m edwardian style conservatory, no hard sell just guide price are you the property owner: owner of the property property type: semi detached how m...

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01 Sep

Insulation | External Wall

Swansea - SA6

Enquiry from: Alan T

Start Date: Immediate

we are a&d carbon solutions ltd working on the governments eco scheme. please could you provide quotations for flat roof insulation for warm roof and cold roof types per m2. we are looking to provide ...

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04 Aug

Insulation | External Wall

Swansea - SA1

Enquiry from: Liz B

Start Date: Immediate

improve insulation on pvc conservatory with polycarbonate roof (less than 10m2) in total. are you the property owner: owner of the property property type: semi detached how many bedrooms do you have:...

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29 May

Insulation | External Wall

Swansea - SA4

Enquiry from: Harry P

Start Date: Immediate

we need a replacement roof for our conservatory. our conservatory roof is currently glass and is incredibly hot and we would like a solid roof. also, the conservatory roof is leaking as it was never...

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08 Apr

Insulation | External Wall

Swansea - SA9

Enquiry from: Kay E

Start Date: Immediate

Are you the property owner: Owner of the property Property Type: Detached Other Forms: Air Source Heat Pumps Agreed to receive quotes for selected products: Yes Please call to appoint How many bedroom...

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05 Oct

Insulation | External Wall

Swansea - SA7

Enquiry from: Derek E

Start Date: Immediate

Conservatory roof insulation for a 4M x 3M conservatory. Just send me by email your best price, no other means and if I am interested I will contact you back. Do contact me by any other means and only...

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01 May

Insulation | External Wall

Swansea - SA4

Enquiry from: Maureen W

Start Date: Immediate

Installation in conservatory Are you the property owner: Owner of the property Property Type: Semi detached How many bedrooms do you have: 3-4 Bedrooms Property Age: Pre 1900 Please call to appoint

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18 Apr

Insulation | External Wall

Swansea - SA9

Enquiry from: Nathan M

Start Date: Immediate

conservatory roof insulated and plastered to smooth finish

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20 Nov

Insulation | External Wall

Swansea - SA3

Enquiry from: Neil B

Start Date: Immediate

Roof insulation for conservatory. Are you the property owner: Owner of the property Property Type: Semi detached How many bedrooms do you have: 3-4 Bedrooms Property Age: Pre 1900 Please call to ap...

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27 Jul

Insulation | External Wall

Swansea - SA6

Enquiry from: Julie O

Start Date: Immediate

Flat roof on garage repaired / renewed

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10 Apr

Insulation | External Wall

Swansea - SA3

Enquiry from: Tim H

Start Date: 1 to 3 months

Coating conservatory roof to reduce rain noise. 5.5m x 4m Are you the property owner: Owner of the property Property Type: Detached How many bedrooms do you have: 3-4 Bedrooms Property Age: 1930-70...

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03 Sep

Insulation | External Wall

Swansea - SA9

Enquiry from: Patricia K

Start Date: 1 to 3 months

Solid wall insulation partial wall insulation loft insulation. Central Heating and new windows. Are you the property owner: Owner of the property Property Type: Detached How many bedrooms do you hav...

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13 Apr

Insulation | External Wall

Swansea - SA9

Enquiry from: L r

Start Date: Immediate

Polycarbonate material on the outside and insulated on the inside conservatory size 5 m x 2.8 m fanned pitch roof

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30 Mar

Insulation | External Wall

Swansea - SA4

Enquiry from: Heather L

Start Date: Immediate

We have a flat roof on the back bedroom, which gets very cold. I was looking to get a quote for roof insulation.

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11 Feb

Insulation | External Wall

Swansea - SA1

Enquiry from: J

Start Date: Immediate

exterior wall insulation house

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23 Jan

Insulation | External Wall

Swansea - SA1

Enquiry from: James G

Start Date: Immediate

external insulation to end terrace house Are you the property owner: Owner of the property Property Type: Terrace How many bedrooms do you have: 5+ Bedrooms Property Age: Pre 1900 Interested in quot...

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15 Nov

Insulation | External Wall

Swansea - SA1

Enquiry from: Gregg M

Start Date: Immediate

External wall insulation to front of house only Are you the property owner: Owner of the property Property Type: Terrace How many bedrooms do you have: 3-4 Bedrooms Property Age: 1900-30 Interested ...

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10 Nov

Insulation | External Wall

Swansea - SA3

Enquiry from: M. R

Start Date: 1 to 3 months

exterior wall insulation (not to extension built on side), adding fascia plus barge boards where needed Are you the property owner: Relative of Owner Property Type: Semi detached How many bedroom...

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30 Oct

Insulation | External Wall

Swansea - SA3

Enquiry from: M. R

Start Date: Immediate

exterior wall insulation (not to extension built on side), adding facia plus barge boards where needed Are you the property owner: Relative of Owner Property Type: Semi detached How many bedrooms do...

Post a similar request >

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FAQs

Will external wall insulation stop condensation?

Damp issues on a property are usually generated by a lot of factors such as a poor or broken guttering, condensation and lots more. The question arising here is what is the possibility of External Wall Insulation (EWI) preventing condensation? Not only is EWI a reliable way to reduce condensation-caused damp, but it’s also one of the major reasons property owners in solid wall homes consider thermally rendering or cladding their external walls.

Condensation arises as a result of warm moist internal air hitting a cold surface such as the steaming up of both windows and mirror when having a shower. What happens here is the condensation of the water vapour in the air from a gas to liquid in the process of touching the cold surface - one whose temperature is significantly reduced to reach the dew point. At the dew point, condensation is very rampant, and to tackle this issue you’ll have to heighten the wall temperature in order to convert the moisture to vapour and permit it to pass through the wall. And that’s exactly the job of an external wall insulation!

To get started you must ensure that the walls are clean and dry prior to fitting the external wall insulation. The month of May through to September when the weather tends to be dry and more stable are usually the best period to carry out the project. The external wall insulation will function just like a cosy blanket around the building. Ultimately, changing the feel and temperature of the inside of your home. As a result, the previously cold walls will no longer be cold which goes a long way to mitigate the effects of condensation. Furthermore, when an EWI is installed, the rooms of your home will automatically trap more thermal mass as the heat is saved in the walls’ fabric and released back when the temperature drops.

Are there grants available for external wall insulation?

External wall insulation works to keep your home cosy and comfy while also helping to cut the energy bills. However with the great benefits also comes great costs, so it’s actually a logical decision to know whether there are grants out there which you’re eligible for to help you handle the cost of the external wall insulation.

There are grants available for external wall insulation, but rarely will you find one that covers the full installation cost. With the help of the government’s Energy Company Obligation (ECO) scheme, a couple of energy companies assist in making your home more energy efficient by offering grants or free insulation. In certain cases whereby you receive particular state benefits, you may as well qualify for a higher grant that’ll cover more of the insulation cost.

However, if your energy supplier doesn’t offer any grant, you need not worry as you can save as much on energy bill after installation. Here’s what insulation can help you save per year on energy bills:

• Floor insulation can help you save within a range of £30 to £75 each year.

• Cavity wall insulation can help you save about £85 to £280 a year.

• Loft Insulation (270mm) can help you save about £135 to £250 a year.

Generally, the amount you’ll be able to save on your energy bills depends mainly on the type and size of your property, as well as how energy efficient it already is without the insulation. In the long run, your external wall insulation will more than give you back your investment on the valuable project through your savings on energy bills. In other words, whether or not you’re eligible for a grant should never stop you from installing an external wall insulation.

Do I need planning permission for external wall insulation?

If you want to install an external wall, it is only wise to consider whether or not a planning permission is required in order to avoid a hefty fine. In a great kudos to the government and a welcome relief to home and property owners, the installation of external wall insulation is seen as an “improvement to the house and not an “extension or an “enlargement. Ultimately, this implies that external wall insulation fitting is to be done under permitted development and a planning application may not be required. However, like many other regulations, there are also exceptions to this rule and the main one is if the activity changes the appearance of your property. Properties such as a listed building having tighter regulations may pose some issues. As a result, we’d advise you to consult your local authority to ensure that there’s no fast rule to this topic before commencement of the external wall insulation project.

At the moment, according to the Government Building Regulations, the surface of the entire wall is to be improved to existing standards if the area to be insulated exceeds 25 percent of the wall. In normal situations this is usually the typical case, however to prevent avoidable fines and other possible punishments, it is always best to reach to your local authority and check out the rules guiding external wall insulation in your constituency. Furthermore, since external wall insulation is not a task that’s recommended to be done by yourself, you can also ask the professional external wall insulation fitting company for the applying rules before proceeding. As a good professional, the company should have a better knowledge of the rules and regulation guiding its activities.

Does external wall insulation add value to your home?

The answer is yes! Houses whose external walls have been insulated are more valuable than their uninsulated counterparts. And not only does it add to the value of a home, but also significantly reduces the amount of electricity consumption. This is a major turn on for potential investors which implies a greater demand and ultimately, a higher price. The real estate market is a very dynamic one which can be hard to predict at any particular time. The frequent changes in price are usually down to factors beyond the owners’ control, but if you’re looking to put up your house for sale in the near future, it would be a wise decision to consider ways in which you can increase its value. While renovating each room can be on the expensive side, a great solution would be insulate the external walls.

An insulated house is one that is well secured against the harmful impact of extremely high or low temperature, humidity and other atmospheric factors. Hence, the reason why a house with external wall insulation has a greater value which you would not want to miss out on. What’s more? You’ll get a great thermal insulation with the top notch materials like foamed polystyrene, high quality renders, mineral wool or polyurethane.

With an external wall insulation, you know the transaction will always be favourable on both ends. You get to smile to the bank, while the buyer also gets to enjoy great value for every penny spent. To employ the services of a reliable external wall insulation expert, simply conduct an in depth research from family and friends, online and other sources. Go through their online reviews and ask questions to become more familiar with the process and its value-adding potentials.

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