How to fit composite decking?

Fitting composite decking is similar to installing timber decking, but there are some small differences in terms of the gaps you need to leave between boards and the screws you use. We’ll go through a quick guide to show you the process involved in fitting composite decking so you can decide whether it’s something you want to do yourself. Prepare the area Prepare the area according to our instructions in the previous FAQs – or you can use an existing patio or concrete base if you have one. Measure and mark out the area using chalk (if using an existing base). Assemble the decking frame Build the outer frame as we show in our FAQs above; if the area you have planned is longer than your joists, you’ll need to join them together. When you’ve built the frame and it’s secure, ensure that it’s at the right level for water runoff and add risers, slabs or treated off-cuts of timber at 500mm intervals if you need to. Add joists The spacing of your joists will depend on the type of design you have chosen for your composite decking. If you’re laying arched boards horizontally, you’ll need to space the joists 300mm apart. Lay your composite decking boards If you’ve not got an overhang or it’s a fixed deck, fit starter clips along the outside edge of the frame and secure with screws provided with the composite decking. If you are working with an overhang, put the first board into position not exceeding 25mm. If you’re adding a fascia, put an off-cut of board under the overhang so you know it’ll be flush with the fascia. Pre-drill all fixing points, measuring in 30mm from the edge of the board. Secure the board to the joist below with composite decking screws. Slide a hidden fastener clip in so it sits within the groove of the deck board. It needs to be in the centre of the joist to keep the boards secure and ensure an expansion gap of 6mm. Tighten the clips until just tight, and repeat so there’s a clip at every joist. Add the next board, ensuring that the fastener clips sit within the groove – make sure you don’t force it. Repeat step 3. Continue steps 3 and 4 until you’re at the final board, which you should secure in the same way as you did the first. Add a fascia board If you’re adding a fascia, measure in 40mm from each end and add two guide marks: one at 40mm from the top and the other at 40mm from the bottom. Connect the marks, then mark at 300mm intervals down the board. Drill pilot holes, then put the fascia board into position. You need to make sure that there’s a 40mm ventilation gap between the bottom of the fascia and the ground. Ask someone to hold the board level until you’ve finished securing it with composite decking screws; you can get colour-matched ones so they don’t look unsightly at the end of your decking. Not so sure you want to carry out such a big project yourself? Get quotes from decking pros who will be able to fit composite decking much more quickly and easily.

Wooden Decking in Swanage

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Wooden Decking in Swanage

Wooden decking is an increasingly common option for creating outdoor seating areas in gardens. Because of the natural beauty of wood, they can be very beautiful spaces that can be used year round by using external heating and lighting. Wooden decking is frequently installed in locations in front of patio or French doors where they can create a smooth transition between inside and outside spaces. Wooden decking is available in virtually any size or shape to complement any area. Curved designs or large areas joined by pathways can create an attractive effect. Wooden decking is reasonably easy to install and causes little disruption, particularly when compared to alternatives like patio or paving. It can even be installed over the top of an existing patio. It is crucial however to be certain that your wooden decking is structurally sound and capable of taking the load of any furniture or plants that you want to use on the decking. There is a range 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 demand maintenance, which commonly includes annual cleaning and staining for weather proofing, composite woods are becoming popular for use in wooden decking because they are more robust and require much less maintenance.

Average Wooden decking cost in Swanage

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 2025

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 Swanage, as reported by local LeadsDoWork members.

Wooden decking installation cost in Swanage 2025

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

Time frame: 1-4 days

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Swanage

Swanage is a coastal town and also civil parish in the south east of Dorset in England. It is positioned at the eastern end of the Isle of Purbeck, approximately 6 1/4 miles south of Poole as well as 25 miles (40 kilometres) eastern of Dorchester. Close-by are Ballard Down and Old Harry Rocks, with Studland Bay and Poole Harbour to the north. Within the parish are Durlston Bay as well as Durlston Country Park to the south of the community. The church likewise consists of the areas of Herston, just to the west of the town, and Durlston, just to the south. According to the 2011 Census, the community has a long term population of around 9,601 people. The community, originally a tiny port and also fishing village, flourished in the Victorian duration, when it first came to be a considerable quarrying port as well as later a seaside hotel for the abundant of the day. Today, the town remains to be a popular traveler resort, with tourist being the town's primary sector as numerous thousands of visitors concern the town throughout the height summer season, attracted by the bay's sandy coastlines and also other destinations. The community is situated at the eastern end of the Jurassic Coastline, a World Heritage Site. The town consists of many detailed structures and also 2 sanctuary, Swanage Sanctuary and Herston Preservation Area. Although there are no huge cultural establishments based in the community, there is a range of small clubs as well as groups, consisting of the Swanage Town Band developed in the late 19th century. The biggest facility in the community is the Mowlem Theatre, on the site of the former Mowlem Institute, which opened up in 1967, and a number of yearly celebrations are kept in the town. For every one of your house improvements, make certain to recognize trustworthy professionals in Swanage to ensure of high quality.

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FAQs

There are two ways to lay decking on uneven ground. We’ve explained how to build a raised deck in our FAQ ‘How to build a raised deck’ above, and that’s great for uneven ground or sloped gardens. But there’s another way that you can lay decking on uneven ground if you don’t want a raised deck: you can create a level supporting base. We’ll go through the basics here. Materials you’ll need

Paving slabs – old or cheap ones are fine
Timber for the frame and legs
Type 1 MOT hardcore

How to lay decking on uneven ground

Mark out the area as we explain in ‘How to lay decking’. Then, dig to 200mm below where you want to surface of the decking to be.
Add a 50mm layer of hardcore and make sure it’s compact.
Build the decking sub-frame as we describe in ‘How to build a deck frame’.
Lay out paving slabs along the edges and in the centre of the area. This will help to spread the weight of the decking.
Set the decking frame on the slabs, checking for high or low points and adding off-cuts of timber where needed. Don’t forget to sand and seal these off-cuts with decking preservative.
Add your joists and then the deck boards, leaving the recommended gaps of expansion of between 5-8mm.

Building your decking on top of paving slabs is a good way to get it level, but you still may not be able to get as good a finish as if a professional did it. If you’re in any doubt, get in contact with some decking specialists and see what they would recommend.

Properly installed wooden decking will not need a lot of maintenance. Most manufacturers recommend regularly brushing leaves and dirt off the deck, and a yearly cleaning and staining procedure. This will keep the wood in the best condition. Fluids and treatments are readily available from all DIY shops and stores.

Usually, slipperiness is caused by algae or dirt on top of the deck or terrace. A full cleaning treatment should restore the natural grip of the wood or stone. If slipperiness is a persistent problem, consider installing grip mats in high traffic areas of the deck.

Fitting composite decking is similar to installing timber decking, but there are some small differences in terms of the gaps you need to leave between boards and the screws you use. We’ll go through a quick guide to show you the process involved in fitting composite decking so you can decide whether it’s something you want to do yourself. Prepare the area Prepare the area according to our instructions in the previous FAQs – or you can use an existing patio or concrete base if you have one. Measure and mark out the area using chalk (if using an existing base). Assemble the decking frame Build the outer frame as we show in our FAQs above; if the area you have planned is longer than your joists, you’ll need to join them together. When you’ve built the frame and it’s secure, ensure that it’s at the right level for water runoff and add risers, slabs or treated off-cuts of timber at 500mm intervals if you need to. Add joists The spacing of your joists will depend on the type of design you have chosen for your composite decking. If you’re laying arched boards horizontally, you’ll need to space the joists 300mm apart. Lay your composite decking boards

If you’ve not got an overhang or it’s a fixed deck, fit starter clips along the outside edge of the frame and secure with screws provided with the composite decking. If you are working with an overhang, put the first board into position not exceeding 25mm. If you’re adding a fascia, put an off-cut of board under the overhang so you know it’ll be flush with the fascia.
Pre-drill all fixing points, measuring in 30mm from the edge of the board. Secure the board to the joist below with composite decking screws.
Slide a hidden fastener clip in so it sits within the groove of the deck board. It needs to be in the centre of the joist to keep the boards secure and ensure an expansion gap of 6mm. Tighten the clips until just tight, and repeat so there’s a clip at every joist.
Add the next board, ensuring that the fastener clips sit within the groove – make sure you don’t force it. Repeat step 3.
Continue steps 3 and 4 until you’re at the final board, which you should secure in the same way as you did the first.

Add a fascia board If you’re adding a fascia, measure in 40mm from each end and add two guide marks: one at 40mm from the top and the other at 40mm from the bottom. Connect the marks, then mark at 300mm intervals down the board. Drill pilot holes, then put the fascia board into position. You need to make sure that there’s a 40mm ventilation gap between the bottom of the fascia and the ground. Ask someone to hold the board level until you’ve finished securing it with composite decking screws; you can get colour-matched ones so they don’t look unsightly at the end of your decking. Not so sure you want to carry out such a big project yourself? Get quotes from decking pros who will be able to fit composite decking much more quickly and easily.

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Customer Reviews

Overall rating:

Swanage Wooden decking installers are rated 4 out of 5 based on 6 reviews of 51 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 Swanage Wooden decking contractors

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Wooden Decking in Swanage

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Wooden Decking in Swanage

Average Wooden decking cost in Swanage

Average price per Wooden decking job in 2025

Wooden decking installation cost in Swanage 2025

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Wooden decking Projects in Swanage in February 2025

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Swanage

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Garden | Decking in Crawley

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