Setting the right budget

How much should you expect to pay?

We know it's difficult to estimate how much a project will cost, that's why we've surveyed our tradesmen to give you an idea of how much you should expect to pay for specific jobs. Tradesmen all across the country have contributed to the cost guides, so the costs you see are an approximate national average.


Up to 10m 10m-20m More than 20m
Low High Low High Low High
Decking £400 £800 £700 £1,200 £1,000 £1,700

Decking is becoming more and more popular as it looks good, defines an area of the garden and can add value to your home. But decking needs to be done right if it is to live up to your expectations. If you are not expert with woodworking then you should probably steer clear and have an expert plan and lay your decking for you. An expert in decking installation will know how to prepare the area for decking, how to lay it and, importantly, how to treat it once it is down.

Planning your decking

Fencing and decking experts (as well as carpenters and joiners) have plenty of experience of laying decking in all kinds of locations and in all kinds of sizes, so they should be able to advise you on how far out the deck should extend, as well as on materials.

Decking is a permitted development, so you don’t need to worry about planning permission if it is not going to cover more than 50% of your garden (when taken into account with sheds and other garden buildings), or rise more than 30cm above the ground. A professional will be sure to measure correctly and make good joins at the point where the deck meets the back of your house. They will also be able to advise you on aftercare to ensure that any potential problems with damp and mould are avoided.

Laying your deck

Most decking is made from pressure treated timber, which is then treated to make it resistant to fungus, mildew and insects. Once laid it can be further treated with wood stains and waterproofing, although this kind of decking will still need to be treated again every two years or so. The British weather is not that forgiving to decking and you will get areas of moss, weed growth or mildew that will need tidying up every spring.

Regular maintenance will stop boards from splitting or any water getting into the deck. Composite wood is another popular material to use, which is a plasticised wood that is more uniform (much as laminate flooring is) and is longer lasting. This is available in various coloured finishes and a good decking expert will be able to show you a range of options or give you ideas that suit your garden. You can also get aluminium decking, which is very long-lasting but does not have the same colourful warmth as a wood finish. It is, however, perfect for more modern homes.

Rated People surveyed 107 of our gardeners across the country to give you an idea of the approximate costs for a range of work in your garden. Please note these prices are average, do not include materials and are offered as guidance only, to help you budget when posting a job with Rated People. For a free quote tailored to your specific requirements please contact one of our local gardeners and garden designers.


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