- How to build a shed base out of paving slabs
- Mix sand and cement together to make mortar or use a pre-mixed one
- Use a trowel to lay mortar for 1 slab at a time on the sub-base and lift a damp-sided slab onto the mortar, using a piece of timber and club hammer to tap the slab into position carefully. Continue to lay the first row of slabs
- Make equally-sized spacers in all the joints in the slabs to ensure they’re the same size, checking it’s level as you go along
- Next lay slabs along the two adjacent outer edges, filling in the central area row by row
- Leave the mortar to set according to the instructions or for at least 48 hours before filling in the joints with mortar or paving grout
- Building a shed base from concrete
- Create a wooden frame around your shed base area (also called formwork) to stop the concrete from spreading
- Mix pre-mixed concrete with water or use 1 part cement to 5 parts ballast
- Wet the sub-base using a watering can with a rose on the end
- Pour the concrete onto the framed base starting in one corner
- Push the blade of a shovel up and down in the edges of the concrete to get rid of air bubbles
- Use a rake to spread the concrete, leaving it around 18mm higher than the top of the frame. Work in sections of around 1-1.m2
- Compact the concrete using a straight piece of timber that’s longer than the width of the base. Move the timber along the site, hitting it along at about half of its thickness at a time until the surface is evenly ridged
- Remove excess concrete and level the surface by sliding the timber back and forwards from the edge that you started. Fill in any depressions and repeat until even
- Run an edging trowel along the frame to round off exposed edges of the concrete and prevent chipping
- Cover the concrete with a plastic sheet raised on wooden supports to allow slow drying. Weigh it down with bricks
- Once the concrete is set, you can install your shed and remove the wooden frame with a crowbar
Garden Sheds in Cookstown
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Garden Sheds in Cookstown
Garden sheds are a crucial element of any useful garden space. They can provide storage for bulky garden tools, as well as for other equipment. A generous shed could provide enough space for plant potting or a general workshop. Alternatively, a substantial shed could be utilised as an indoor seating area. Garden sheds come in a large array of sizes and can be specified to your particular needs, providing you with total control over the number and placement of windows, type, size and location of door, and design of roof. Garden sheds normally come in one of three materials. Wooden sheds are the typical style and can be integrated well into any garden creating a natural look, particularly if the wood used for the shed is matched to bordering fences. Wooden sheds remain extremely popular, although they will need maintenance by retreating or staining the wood to maintain the lifespan of the shed. Garden sheds are also made of metal, which is very durable and therefore ideal for storage of tools and other equipment. Metal sheds also require minimal maintenance. The final material for garden sheds is plastic, which in modern examples is much more resilient than might be expected. When considering a garden shed, it's essential to ensure that you select one which will fit in your garden space. Garden sheds will need to be sited on a flat area, and will need a base to be built as a foundation. This base could be produced from either concrete, paving, gravel or a floating wooden base, but will have to be the right size for your shed and capable of supporting the weight of your shed when loaded.
Average Garden shed cost in Cookstown
The typical cost of Garden shed is £600. Costs vary based on the materials and the organisation selected. The upper price range can be as high as £690. The material costs are typically around £150
Average price per Garden shed job in 2026
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| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
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Garden shed installation cost in Cookstown 2026
| Labour cost | £420 | |
| Material cost | £150 | |
| Waste removal | £30 |
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FAQs
- Remove any existing fascia boards Remove the fascia boards and the old felt if you’re re-felting.
- Measure the shed roof Measure the roof, taking into account that you should leave around 50mm for overlaps at the eaves and 75mm at the gable ends. You’ll probably need 3 pieces of felt, but some smaller sheds only need 2.
- Apply felt to the roof Once you’ve cut the felt to size, apply the each piece to the roof, pulling it tight. Then nail along the length of the roof at 100mm intervals. For nails at the bottom edge, they can be wider – around 300mm. If you’re adding a piece of felt in the middle of the shed along the apex, fix it using adhesive, then nail it at the lower edge at 50mm intervals.
- Tidy up the overhangs Fold down the felt at each overhang and nail it securely. Cut a slit in the overhang at the apex using a pen knife, then fold that down and nail at 100mm intervals along the gable. If you like, you can add fascia boards to keep the shed looking neat. Use wood nails to secure them and then trim away any excess felt.
Try to put your shed in open space, away from trees, bushes and other buildings. This will help to protect it from falling branches and sap. It will also mean that you can access all sides of the shed for repair and maintenance purposes. Make sure you take a look at garden shed planning rules before you pick a final spot for your shed.
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