Wooden Decking in Northern Ireland

Discover Wooden Decking Prices in Northern Ireland

Wooden Decking in Northern Ireland

Wooden decking is an increasingly popular option for providing outdoor seating areas in gardens. Because of the natural beauty of wood, they can be very beautiful areas that can be used year round by installing outside heating and illumination. Wooden decking is usually installed in locations in front of patio or French doors where they can create a smooth transition between interior and exterior spaces. Wooden decking is available in any size or shape to fit any area. Curved designs or large areas connected by pathways can create a stunning effect. Wooden decking is relatively simple to install and causes minimal disruption, particularly when compared to alternatives like patio or paving. It can even be installed over the top of an existing patio. It is critical however to make certain that your wooden decking is structurally sound and capable of taking the load of any furniture or plants that you would like to use on the decking. There is a collection of varieties of wood that can be used in wooden decking. Typically decking is made of hardwood, but there are softwoods available that fulfil the durability specifications. As hardwood decking will require maintenance, which commonly consists of yearly cleaning and staining for weather proofing, composite woods are becoming popular for use in wooden decking because they are more robust and require far less maintenance.

Average Wooden decking cost in Northern Ireland

The typical cost of Wooden decking is £1500. Costs can change based upon the materials and the firm hired. The upper price range can be as high as £1725. The material costs are commonly approximately £375

Average price per Wooden decking job in 2026

Avg. price low	Avg. price low £1,125
Avg. price	Avg. price £1,500
Avg. price high	Avg. price high £1,725

£1900

£1425

£950

£475

£0

Prices based on actual Wooden decking costs for Northern Ireland, as reported by local LeadsDoWork members.

Wooden decking installation cost in Northern Ireland 2026

	Labour cost	£1,050
	Material cost	£375
	Waste removal	£75

Time frame: 1-4 days

Wooden decking searches in September 2026

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No. of estimated projects Estimates by cities and towns

Wooden decking Projects in Northern Ireland in August 2026

27,288

Requests for quotations in Northern Ireland in August 2026

0

Requests for Wooden decking quotations in Northern Ireland in August 2026. 0% change from July 2026.

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Requests for Wooden decking quotations in United Kingdom in August 2026. 0% change from July 2026.

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

Wooden decking searches in counties near Northern Ireland August 2026

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Northern Ireland

Northern Ireland is the Irish area of the United Kingdom, with the Republic of Ireland providing the remainder of the island. It comes with a population of just over 1.8 million, plus a population density of 133 people per square kilometre. This population is just 3% of the United Kingdom and 28% of people on the island of Ireland. Northern Ireland’s capital city of Belfast holds the most significant population of around 340,000, while Derry and Lisburn have 100,000 and 45,000 respectively. For all your home improvement projects in Northern Ireland, use reputable specialists to make sure you get a high-quality finish.

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Wooden decking pros in Northern Ireland

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Latest review

Michael F., HA8

8th July 2018

Garden | Decking in Edgware

The job was well done, some of the finishing could have been better

Similar Customer Enquiries for Wooden decking in Northern Ireland

07 Sep

Garden | Decking

Newtownards - BT22

Enquiry from: Rosemary K

Start Date: Immediate

Hi I am looking the bottom of static caravan enclosed

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22 May

Garden | Decking

Newtownabbey - BT37

Enquiry from: Andrew M

Start Date: Immediate

Need quote for fixing decking or replacement

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18 May

Garden | Decking

Omagh - BT78

Enquiry from: Terry G

Start Date: Immediate

Need my wooden decking completely cleaned with a heavy duty sander etc, then given 2 or 3 coats of good quality decking oil.

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07 May

Garden | Decking

Newton Aycliffe - DL5

Enquiry from: Kelly N

Start Date: Immediate

Replace full deck back garden

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09 Apr

Garden | Decking

Belfast - BT6

Enquiry from: Keith M

Start Date: Immediate

Deck needs to be replaced.

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04 Apr

Garden | Decking

Stanley - DH9

Enquiry from: Andrew S

Start Date: Immediate

5 x boards 3.7m to be replaced.

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13 Jan

Garden | Decking

Dungannon - BT71

Enquiry from: Mc M

Start Date: Immediate

Garden maintenance and decking

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13 Nov

Garden | Decking

Belfast - BT14

Enquiry from: Gerard M

Start Date: Immediate

Hi Can you please give a cost for a flat 7 metre by 3.5metre composite decking area raised only 15 to 20 cm from the ground. The area is currently is covered with decorative stones and is situated ...

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18 Sep

Garden | Decking

Belfast - BT6

Enquiry from: Ricky F

Start Date: Immediate

Decking around summer house

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16 Aug

Garden | Decking

Bishop Auckland - DL13

Enquiry from: Amanda W

Start Date: Immediate

i have 1 acre land. weeding and regular maintenance. pruning, hedge cutting are you the property owner: owner property type: detached do you have a: large garden current state of garden: the garden is...

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23 Jun

Garden | Decking

Belfast - BT10

Enquiry from: Tapan M

Start Date: Immediate

Repairing of existing wooden deck

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16 Jun

Garden | Decking

Ballymena - BT42

Enquiry from: Elaine A

Start Date: Immediate

Replace existing decking

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15 May

Garden | Decking

Belfast - BT8

Enquiry from: Jude T

Start Date: Immediate

i would like a small area of decking with rails and steps installed in my garden. are you the property owner: owner of the property property type: semi detached what level of service do you require: s...

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03 May

Garden | Decking

Newtownards - BT23

Enquiry from: Paul V

Start Date: Immediate

I need decking and a banster rail fitted in garden just in front of my shed

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20 Apr

Garden | Decking

Chester le Street - DH3

Enquiry from: Sandra H

Start Date: Immediate

new layout of my garden , to include, summer house, fire pit, possibly hot tub, but to fit in with a cottage style house. are you the property owner: owner of the property property type: semi detached...

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19 Apr

Garden | Decking

Londonderry - BT47

Enquiry from: Paul T

Start Date: Immediate

installing a hot tub in front garden so need a decking that will be suitable what level of service do you require: supply and deck property type: semi detached are you the property owner: tenant (with...

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17 Apr

Garden | Decking

Durham - DH1

Enquiry from: Anna C

Start Date: Immediate

grey composite decking roughly 4m x 5m are you the property owner: owner of the property property type: semi detached what level of service do you require: supply and deck please call to appoint

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13 Apr

Garden | Decking

Banbridge - BT32

Enquiry from: Colette W

Start Date: Immediate

Cleaning and restoration of decking

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11 Apr

Garden | Decking

Newtownabbey - BT36

Enquiry from: Chris F

Start Date: Immediate

a small area of decking over a slanted area where there is currently grass. preferably with a bench/seat built in along the walled sides. the area is approx 3x3m, i would prefer it if the grass was re...

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03 Apr

Garden | Decking

Ballynadolly - BT28

Enquiry from: Sarah D

Start Date: Immediate

i’d like a quote for some garden decking of around 20m squared with railings are you the property owner: owner of the property property type: semi detached what level of service do you require: supp...

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FAQs

Building a simple deck frame, or decking subframe, that you’re laying on level ground is easy if you take time to prepare and get all the things you need. We’ll go through the steps on how to build a deck frame here. Tools and equipment To get building your deck frame, you’ll need:

Decking joists
Coach screws
Coach bolts
Combi drill
Socket set
A saw suitable for your project and the thickness of the timber
Pencil
Decking preservative
Sandpaper or sander

Build your subframe

Measure your deck frame and cut to size if necessary.
Make 2 pencil marks on each end of the frame’s 2 outer joists to mark where the coach screws will go. They need to align with the centre of the adjoining outer joist. Then, use a flat wood drill bit to drill recesses into each mark. Make them the same depth of the screws that your using’s head and wide enough for a ratchet or socket to tighten them.
Using a thinner drill bit, line up the outer joists and drill a pilot hole through the middle of the recess. These pilot holes act as a guide for the screws and stops them from splitting the wood.
Fit the coach screws with either a drill driver or socket and ratchet.
Repeat the process for the inner joists once you’ve assembled the outer frame.

IMPORTANT: While you’re building your deck frame and the decking itself, remember to cover all pilot holes and ends of timber in decking preservative to ensure that your decking remains structurally sound for as long as possible. Though relatively simple, building a deck frame and the decking will take some time. It would be much quicker and easier to get a professional in to do it, who could represent more value for money.

How much decking you need will – of course – depend on how big you plan your deck to be. There is an equation to help you work out how many deck boards you need. It’s a little complicated until you’ve been shown how it works, but once you know how to do it it’s easy to work out how much decking you need for any project. The equation takes into account the recommended 10% wastage and includes the expansion gaps that are required, which is between 5-8mm along the length of the deck boards (EGL, or expansion gap length) and 3mm along the ends of the deck boards (EGW, or expansion gap width) for timber. It also assumes you’re laying your decking horizontally, as if you’re looking for a diagonal or chevron design you’ll need more deck boards. Let’s go through an example, assuming you have a 10m x 6m area that you want to cover with decking made from timber boards that are 2.4m long and 144mm wide. We’ll use the EGL of 5mm and EGW of 3mm.

Calculate the surface area for your decking Multiply the length (L) of your decking area by the width (W): L x W = Decking Surface Area (DSA) in m² 10 x 6 = 60m²
Work out the coverage of your deck boards Add your deck board width (DBW) to the expansion gap length (EGL), then add the deck board length (DBL) to the expansion gap width (EGW). Then multiply these numbers. (DBW + EGL) x (DBL + EGW) = Single Board Coverage (SBC) 0.144m + 0.005m = 0.149m 2.4m + 0.003m = 2.403m 0.149 x 2.403 = 0.358m²
Calculate the number of deck boards you need Multiply the SBC by 1.1 to allow for 10% wastage. Then, divide the DSA by the SBC. DSA / SCB x 1.1 = Total number of boards required 60m² / 0.358m² x 1.1 = 184.36 boards – so round up to 185 so you’re not left short.

If that all seems a bit complicated for you, let a professional do the maths – they will be able to give you an idea of how much decking you’ll need in no time.

If your deck isn’t going to be flat to the ground, it’s a good idea to have some kind of balustrade to avoid any tripping. If the gap between the deck and the ground is less than 600mm, use a 900mm balustrade. If it’s higher than 600mm, the balustrade should be 1100mm tall.

How much decking costs depends on the type of material you go for, how big you want your decking to be and where you live in the country. But typically, the cost of decking is between £1,200 - £1,800. The most popular material for decking is pre-treated softwood, which will set you back around £1,000 for 15m². Hardwood is more expensive but is more durable, and will cost approximately £2,000 for the same amount. Homeowners are also beginning to choose composite decking, which is made from recycled plastic and wood fibres, and is low-maintenance and eco-friendly. This will cost around £1,600 for 15m², while uPVC which is also a low-maintenance option costs around £600. People tend to choose composite over uPVC because it looks more like natural timber. If you’re a competent DIYer, you might want to have a go at laying decking yourself which will set you back around £1,000 for a standard softwood timber deck. We think it’s worth paying the extra £600 for a professional to lay your decking, since they will be able to do it much more quickly. If you do want to try it yourself, we recommend leaving at least a whole weekend open to do it, but it’s likely to take you longer. Factor in the possibility of having to take time off work to complete it and it might be more cost-effective to leave it to the pros.

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Customer Reviews

Overall rating:

Northern Ireland Wooden decking installers are rated 4.6 out of 5 based on 29 reviews of 97 pros.

The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Wooden decking projects that have been connected with Wooden decking pros to help them. All Wooden decking contractors All Northern Ireland Wooden decking contractors

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Wooden Decking in Northern Ireland

Discover Wooden Decking Prices in Northern Ireland