Wooden Decking in Guernsey

Compare Wooden Decking Prices in Guernsey

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Wooden Decking in Guernsey

Wooden decking is an increasingly common option for creating outdoor seating areas in gardens. Due to the natural beauty of wood, they can be very fashionable areas which can be used year round with the addition of outside heating and light. Wooden decking is commonly fitted 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 virtually any size or shape to complement any area. Curved designs or large areas joined by pathways can produce a striking effect. Wooden decking is relatively easy to install and causes little disruption, particularly in comparison to alternate options like patio or paving. It could even be installed over the top of a pre-existing patio. It is important 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 selection of species of wood that can be used in wooden decking. Often decking is constructed from hardwood, but there are softwoods available that fulfil the durability requirements. As hardwood decking will need maintenance, which usually requires annual cleaning and staining for weather proofing, composite woods have become popular for use in wooden decking because they are stronger and require far less maintenance.

Average Wooden decking cost in Guernsey

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 Guernsey, as reported by local LeadsDoWork members.

Wooden decking installation cost in Guernsey 2026

Labour cost £1,050
Material cost £375
Waste removal £75
Time frame: 1-4 days
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Guernsey

Guernsey is an island off the Normandy shoreline but nonetheless holds British Crown dependency. This island carries a population of 66,000 and also a density of 2,578 individuals for every sq mile. With the other major island of Jersey, Guernsey forms the group known as the Channel Islands. Guernsey housing is split between local market houses and open market properties. Anybody can live in open market buildings, but local market is limited to those who qualify. For home upgrades on the Guernsey Island, be sure you make use of vetted specialists to guarantee an excellent price and a quality finish.

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FAQs

How much maintenance will a wooden deck need?

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.

How much is decking?
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.
How to lay decking on uneven ground?
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
  1. 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.
  2. Add a 50mm layer of hardcore and make sure it’s compact.
  3. Build the decking sub-frame as we describe in ‘How to build a deck frame’.
  4. Lay out paving slabs along the edges and in the centre of the area. This will help to spread the weight of the decking.
  5. 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.
  6. 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.
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
  1. 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.
  2. 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.
  3. 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.
  4. Add the next board, ensuring that the fastener clips sit within the groove – make sure you don’t force it. Repeat step 3.
  5. 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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