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Verified ProOver 20 Reviews

GCB Windows

26 review(s)
Offers services in CASTLEWELLAN
Bell Windows was brought together in 2008 by Gordon Bell. Even though it is a relatively young company, Gordon himself has...

Vimark Approved Applicator

0 review(s)
Offers services in CASTLEWELLAN
Vimark is a SME Piedmontese enterprise that has been manufacturing materials, systems and providing services for specializ...
Loft insulation and boarding. Affordable warmth grant work price matched.

Frontline drives

0 review(s)
Offers services in CASTLEWELLAN
From a Simple Slate To a full New drives and patos Replacement We Got You Covered. Free Quotes And Advice. If We Can’t Fix...

Durabase

0 review(s)
Offers services in CASTLEWELLAN
Durabase is the modular conservatory base & wall system that makes building a new conservatory, orangery, garden room or e...

Recent Builder Enquiries

05 Feb

Insulation | External Wall

Castlewellan - BT31

Enquiry from: Aoife B

Start Date: Immediate

I would like to get a quote for how much it would be to add external wall insulation to by house

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18 Oct

Building work | Sound Proofing

Castlewellan - BT31

Enquiry from: Bernadette M

Start Date: Immediate

Draught proofing doors and windows

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04 Oct

Building work | Sound Proofing

Castlewellan - BT31

Enquiry from: Kathleen M

Start Date: Immediate

Looking to cut out neighbour noises like constant banging from running up and down stairs and noise ftom them banging on the upstairs of there house. Its vibrates all round my livingroom downstairs.

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24 Jan

House Extensions

Castlewellan - BT31

Enquiry from: Aislinn M

Start Date: Immediate

Side extension to kitchen

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15 Oct

Insulation | Cavity Wall

Castlewellan - BT31

Enquiry from: Matthew M

Start Date: Immediate

I need a price for my cavity insulation, it will be the blown in type.

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14 May

Conversion | Garage

Castlewellan - BT31

Enquiry from: Michelle D

Start Date: Immediate

converting a garage room with a toilet|garage houses teh boiler as well so would be building around it an creating a small toilet Are you the property owner: Owner of the property Do you have a: Sin...

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13 Nov

New Build | Residential

Castlewellan - BT31

Enquiry from: P

Start Date: Immediate

12 Apr

Building Work | Porch

Castlewellan - BT31

Enquiry from: T M

Start Date: Immediate

small porch Homeowner UPVC Supplied and fitted Please contact to appoint

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31 Mar

Insulation | Loft / Roof

Newry (South Down section) - BT34

Enquiry from: Catherine M

Start Date: Immediate

External wall insulation Lead

loft insulation in eves around dormo windows

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27 Feb

Driveway Repair

Downpatrick - BT30

Enquiry from: Martin M

Start Date: Immediate

need the entire driveway done up again

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09 Jun

Building work | General

Newry (South Down section) - BT34

Enquiry from: Noel M

Start Date: Less than one month

truss type: roof job type: supply urgency: within 2 weeks postcode: *** roof trusses for garage

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21 Mar

Conversion | Garage

Banbridge - BT32

Enquiry from: Stephen M

Start Date: Immediate

Internal garage converted into additional sitting room.

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19 Feb

Conversion | Garage

Banbridge - BT32

Enquiry from: Stephen M

Start Date: Immediate

Integrated single garage conversion to sitting room.

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31 Jan

Building work | General

Downpatrick - BT30

Enquiry from: Rod M

Start Date: Immediate

External wall insulation Lead

I need someone to do some general maintenance work to my mum's apartment as and when required. Currently I need someone to repair minor damage caused by a water leak from the apartment above which wi...

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26 Apr

Insulation | Loft / Roof

Large Prk - BT26

Enquiry from: Philip O

Start Date: Immediate

Our house is circa 30 Years old and we would like a survey/quotation for loft insulation.

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15 Apr

Insulation | External Wall

Ballynahinch - BT24

Enquiry from: George H

Start Date: Immediate

Roof insulation for conservatory roof approx 3.5 x 3.6 mtrs

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18 Nov

House Extensions

Banbridge - BT32

Enquiry from: Catherine K

Start Date: Immediate

knock down existing sun room - extend kitchen out across patio - create utility room - entrance/mud room with shower - convert garage to room- add ensuite shower and toilet to garage room - add ensuit...

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02 Aug

Insulation | External Wall

Newry (South Down section) - BT34

Enquiry from: Brian M

Start Date: Immediate

Conservatory ceiling insulation

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24 Jan

Building work | General

Newry (South Down section) - BT34

Enquiry from: Hugh J

Start Date: Immediate

mr requested quotes for building maintenance from a builder around newry (south down section). they are considering a couple of projects at the moment.call anytime to arrange appointment to discuss. t...

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19 Jan

Insulation | Loft / Roof

Downpatrick - BT30

Enquiry from: Rosie M

Start Date: Immediate

Affordable warmth scheme loft insulation

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How much do Builder services cost?

How much do Builders cost? Prices for Builders in 2026 can fluctuate relying on the sort of work that you need to have carried out in your residence.

Are you planning to erect a new house or structure? If yes, then you’d probably want to know just how much it’ll take to get the project over the line to help you set a budget and start to plan. Building a new house is requires huge financial investment and as a result, there’s the need to carry out your due diligence before you proceed. In this post, we’re going to give you an insight into the prices charged by builders to erect a new home or structure.

First and foremost, like every other home project, the price charged by builders to construct a new house or structure depends on a wide range of factors. These factors include the size, location, accessibility as well as qualifications of the builders you wish to employ just to mention a few. For instance, you’d expect the cost of building two-storey in London to be a lot more expensive than the price of a one-story building in Scotland. However, we’ll try our best to give you an idea of the price range you can expect to incur to complete your project.
In general, a builder will charge within the range of £10 to about £15 per hour on the average. For small building projects which includes wall and foundations repairs, a builder will typically charge about £11 per hour. However, the price charge will depend on the extent of the job due to the fact that simple tasks such as repointing only costs about £10 per hour, while laying new foundations can cost up to £15 per hour.

The table shows the types of work that Builders typically do and the average cost range of these tasks. Some tasks take longer to finish than others so prices do fluctuate by job.

View our Builder cost guide View our Builder advice

The average price
of a Builder in Castlewellan is:

£23,840

Builder job Builder cost in 2026
Garage conversion in Castlewellan £4,500-£6,900
Loft conversion in Castlewellan £18,750-£28,750
House extensions in Castlewellan £42,000-£68,000
Loft insulation in Castlewellan £450-£690
Upvc or wood porch in Castlewellan £2,625-£4,025
Barn conversions in Castlewellan £112,500-£172,500
Basement renovation in Castlewellan £30,000-£46,000
Bedroom fitting in Castlewellan £1,500-£2,300
Bricklayers in Castlewellan £300-£460
Cavity wall insulation in Castlewellan £400-£820
Commercial new builds in Castlewellan £105,000-£161,000
Conservatory base in Castlewellan £675-£1,035
Building maintenance in Castlewellan £2,250-£3,450
Building insurance works in Castlewellan £2,250-£3,450
Pebble dashed walls in Castlewellan £2,000-£9,200
Plasterboard dry lining in Castlewellan £638-£978
Residential new builds in Castlewellan £105,000-£161,000
Restoration and refurbishment in Castlewellan £37,500-£57,500
Roof insulation in Castlewellan £7,500-£11,500
Underpinning in Castlewellan £2,250-£3,450
Wall cladding in Castlewellan £1,125-£1,725
Wall rendering in Castlewellan £3,750-£5,750
Demolition in Castlewellan £2,440-£3,660
Roof room in Castlewellan £15,000-£23,000
Shop refurbishment in Castlewellan £3,750-£5,750
Single storey house extension in Castlewellan £23,200-£34,800
Soundproofing in Castlewellan £900-£1,380
Driveway repair in Castlewellan £1,520-£2,280
Garden room in Castlewellan £6,400-£9,600
External wall insulation in Castlewellan £6,000-£15,000

Related Builder searches in Castlewellan

Builder FAQs

how to refurbish your house?

If you’re thinking about refurbishing your house or property but don’t know how to go about it, then you’ve come to the right place. In truth, not every home refurbishment works goes in exactly the same order, however it’ll do you some good to abide by a specific plan in order to avoid both unnecessary works as well as expenses. For instance, how would it feel if you have already closed walls and paint only to realize that there’s a need to include a new plumbing stack that has to go behind the wall? Not good, right? Well, this guide is designed to help you avoid such frustrating situations. Let’s have a look!

✓ Establish a plan. This involves carrying out a good assessment of what you’d like to refurbish and set the priorities like deciding where to start and making sure you have both the time and budget to complete the project.

✓ Set a budget. Establish a final amount that’ll be the threshold to your spending. It’s always good to add an additional 10% to 15% to cover unexpected costs.

✓ Hire a contractor. Carry out a research, reach out to many contractors, compare their prices, work quality as well as integrity before hiring.

✓ Talk to your insurance company. Find out if you have the amount of coverage that suits your needs from your insurance company before and after your project.

✓ Secure permits and order materials. Make sure you check with the latest regulations before commencement. Once done, you can start ordering the required materials.

✓ Start demolition. This is optional as it only applies if space is being added.

✓ Work behind the walls. This include doing all the works necessary behind the walls like plumbing, electrical, heating etc.

✓ Paint and install flooring

✓ Fit in the cabinetry

✓ Add finishing touches. This includes the last details and decorations.

How much does it cost to renovate a house?

Presenting with its unique sets of components, the price for every house renovation project varies considerably. Though giving a proper price for the house renovation is not possible, you can generally expect to pay anything between £40,000 and £75,000 for renovating a three-bedroom house.

You must list out all the changes needed since renovation comes with several potential costs. This makes it easier for you to calculate the renovation costs and start planning your budget accordingly.

Let us take a look at some of the crucial factors that affect the cost of renovating a house

• Property size

• Property’s condition and age

• Complexity oof the job

• Structural work

• Building extension work

• The quality of materials, fixtures and finishing

• Decoration

• Location

When it comes to renovating a three-bedroom house, the average cost is around £ 57,000. A new gas supply will cost you around £1,500, depending on the route of the supply. There may other additional costs involved if you are looking to do any work to extend the gas supply line.

The cost of rewiring a house is in the region of £5,750. That price will also be dependent on the complexity of the electrical systems in your house and the size. If you are looking at installing a new set of windows, it can cost you up to £6,000, with the average cost being about £4,250. Replastering walls will add another £2500 to the total budget. A new kitchen will set you back around £7,000, on average including the cost of design, materials and installation. Most renovations will need a new bathroom. Installing a new bathroom will cost you around £4,250.

How do I manage drainage for my paving?

There is a variety of methods available to ensure that your paving drains properly, for example draining into a lawn or soakaway. Correct drainage of paving is a requirement for planning permission. See our guide on planning permission for paving for more information.

How do I know if I have cavity wall insulation?

With cavity walls being very similar to other type of brick works, it can be quite confusing to figure out the type of wall your property possesses. If your house was constructed after the 1920s, then its highly likely the you have cavity walls, while older houses (houses before the 1920s) are likely to have solid walls. What’s more? If you happen to own a home that was built in the last decade, then it’s very possible that it was built with insulation installed during construction.

An effective way to determine whether or not your property is built with cavity wall is to examine the brickwork on your home’s exterior. The bricks will typically possess a regular pattern if it features cavity walls. In the event whereby the brick work is covered by render, you can also figure it out by taking a measurement of the wall’s width. If the brick wall is beyond 3000mm in thickness ( from the exterior wall to the interior wall), then it probably features a cavity. Meanwhile, a wall that’s narrower is very likely to be solid. Stone walls, on the other hand, may actually be thicker but are most times solid.

In a situation whereby your house is built using steel frame or timber frame, or made using pre-fabricated concrete, there are varying rules that applies when it comes to insulation and should be examined by an expert before any insulation is installed. More often than not, most contractors will have installed special air vents, which can also be a good indicator that a cavity wall insulation has been done.

when do you need planning permission for a house extension?

If you’re planning on adding a house extension to your property, you’d probably be worried about whether or not your proposed extension would require a planing permission. Well, it may be relieving to know that not every house extension project would require a formal consent, and in fact, several extensions are covered by the permitted development rights. Not only can this save you a considerable amount of time especially at the project’s planning phase, but it’ll also save you money on the application fee. In the UK, single storey extensions to the house’s rear can be 3 metres deep for both semi detached houses and terraces or 8 metres deep for detached homes.

So how do you know when you’d require a planning permission for your home extension? Well, if your extension plan fits these criteria explained below, then your project is most likely going to be allowable as a permitted development.

• Extensions, which includes previous additions, must not go beyond half of the original house’s total surrounding land area.

• The main elevation, or side elevation where it fronts the highway, must not be extended forward.

• For single storeys, the rear additions must not extend more than the original house’s rear by more than 3 metres in both semi attached homes and terraces (4 metres for detached houses).

• Extensions to the side must be a single storey with a height not exceeding 4 metres and not going beyond 50% of the original house’s width.

• Extensions hat within 2 metres of a boundary should have a eaves height not more than 3 metres.

• Multi storey addition must not extend beyond the original house’s rear wall by a maximum of 3 metres or 7 metres of the boundary opposite the rear wall.

• Permitted development rights do not apply in listed buildings or designated areas.

how disruptive is a loft conversion?

Asides the questions relating to planning permission of a loft conversion as well as the total cost of completing a loft conversion project, this is perhaps the most common question on the loft conversion subject matter. Before making an investment decision, many homeowners will want to know just how disruptive a loft conversion is. Well, we’ve all heard the several horror stories when loft conversion builder with dirty boots tramples all over the fresh and just-acquired shag pile or the noise of the construction loud enough to annoy neighbours from four blocks away or an obvious shortage of teabags, sugar and lots more. Good news is, the disruption of loft conversion is not as bad as people make out. Let’s have a look at how it works!

Just like all other major building projects, a loft conversion is disruptive to your property. However, no two loft conversions are the same, therefore some are certain to be more drastic and invasive than others. In the long run, the project is worth the stress and inconveniences caused and in most cases, it’s usually a very good investment.

Normally, an average loft conversion is expected to last for about 9 to 12 weeks (depending on the complexity of the loft conversion project some might take longer). Some of the factors that affects the duration of a project includes the type of the loft, the design of the loft as well as the style of the property.

Generally, a loft conversion is a lot less disruptive than say completely moving a home. It all has to do with how you’re able to deal with it as a person. And besides, the effect it’s going to have to a large extent depends on the company you hire. A good company will always look to ensure to keep disruptions to a minimal when carrying out the loft conversion project.

How can I find a builder in my area?

Finding a builder nearby can have enormous assistance when it comes to your build. Period on site, their familiarity of local planning permission, constructors’ dealers and other local trades are all vital bits of knowledge that you’ll welcome on site.

It is always wise to walk around in your local area or drive to a site where any construction work is going on. It’ll give you a proper impression of the constructors who are active nearby. You don’t have to like their style of work or the project they are currently carrying out – after all, a builder can only produce what’s on the plans in front of them.

Find a Builder Other Tradesmen Recommend

If you’ve had to call an electrician before or a local plumber and liked their work, you can always ask them if they have any builders whom they would recommend. Maximum tradesmen get used to seeing the similar acquainted names from one place to another in the sites they are working on and every so often has favourites for who they like to work with — and who they see as a good source of work.

Always Talk to Previous Customers

Once you’ve found a builder you would like to work with, ask them for a list of previous customers they have worked with; they ought to be glad to offer particulars if they’re self-assured they’ve done an effective job.

Look for a builder online

A decent place to start looking for builders online is on sites like the Federation of Master Builders. They have a search tool where you can find precise crafts in your area and look at their situations. All FMB members are assessed and individualistically examined and are checked to ensure that they have the correct insurances in place.

Can my loft be converted?

Many types of loft are suitable for a loft conversion. In general, you will need at least 2.3 metres of headroom in your existing loft. This is to make sure there is enough headroom after the conversion. Speak to a conversion specialist about the probability and possibility of doing this in your house.

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