How Much Does Decking Cost in 2026? UK Price Guide
Thinking about adding decking to your garden?
Whether you want a stylish space for entertaining, a raised seating area or a low-maintenance outdoor living space, decking is one of the UK’s most popular garden improvements.
So, how much does decking cost in 2026?
Across the UK, professionally installed decking typically costs between £120 and £250 per m², with most homeowners spending £2,500 to £8,000 depending on the size, material and complexity of the project.
Here’s everything you need to know before requesting quotes.
Decking costs at a glance
| Decking type | Estimated 2026 cost |
|---|---|
| Softwood timber decking | £120–£180 per m² |
| Hardwood decking | £180–£280 per m² |
| Composite decking | £180–£350 per m² |
| Raised decking | £200–£400 per m² |
| Decking repairs | £150–£800 |
These are average UK prices and usually include labour and materials.
How much does decking cost by size?
| Deck size | Average cost |
|---|---|
| Small (15m²) | £2,000–£3,500 |
| Medium (30m²) | £3,500–£6,000 |
| Large (50m²) | £6,000–£10,000 |
| Extra large (70m²+) | £8,500–£15,000+ |
The final cost depends on the material, design and site conditions.
What affects the cost?
Decking material
The material you choose has the biggest impact on the price.
Softwood decking
The most affordable option.
Benefits include:
- Lower upfront cost
- Natural appearance
- Easy to stain or paint
However, it requires regular maintenance to protect it from the weather.
Hardwood decking
Hardwood offers:
- Premium appearance
- Greater durability
- Longer lifespan
It costs more but generally lasts longer than softwood.
Composite decking
Composite decking is becoming increasingly popular because it offers:
- Low maintenance
- Rot resistance
- Fade resistance
- Long lifespan
Although it’s more expensive initially, many homeowners appreciate the reduced maintenance.
Ground conditions
Installation costs may increase if your garden requires:
- Levelling
- Excavation
- Drainage
- Weed control
- Removal of existing decking or paving
Raised or ground-level decking
Raised decking requires:
- Structural supports
- Additional framing
- Steps
- Balustrades
This makes it more expensive than a simple ground-level deck.
Extras
Many homeowners also choose:
- Glass balustrades
- Timber railings
- Built-in seating
- LED deck lighting
- Pergolas
- Planters
These features can significantly increase the overall cost.
What does the price usually include?
Most decking quotations include:
✔ Ground preparation
✔ Timber or composite boards
✔ Structural frame
✔ Installation
✔ Basic finishing
Some quotations may not include:
- Lighting
- Stairs
- Handrails
- Waste removal
- Landscaping
- VAT
Always ask for a detailed written quotation before work begins.
How long does decking installation take?
Typical installation times are:
| Deck size | Approximate time |
|---|---|
| Small deck | 2–3 days |
| Medium deck | 3–5 days |
| Large deck | 1–2 weeks |
Poor weather or complex designs may extend the project.
Is decking worth it?
For many homeowners, absolutely.
Benefits include:
✔ Creates additional outdoor living space
✔ Improves garden appearance
✔ Ideal for entertaining
✔ Suitable for uneven gardens
✔ Can increase your home’s appeal to buyers
Composite decking also offers excellent durability with minimal maintenance.
Timber vs composite decking
Timber decking
Advantages:
- Lower upfront cost
- Traditional appearance
- Natural finish
Disadvantages:
- Requires staining or treatment
- Needs ongoing maintenance
Composite decking
Advantages:
- Low maintenance
- Won’t rot or splinter
- Long lifespan
- Modern appearance
Disadvantages:
- Higher installation cost
The best option depends on your budget and how much maintenance you’re willing to do.
How to save money
Compare several quotes
Always get at least three detailed quotations.
Compare not only the price but also the materials, guarantees and what’s included.
Keep the design simple
Straight edges and simple layouts are generally much cheaper than curved or multi-level designs.
Build during quieter months
Some contractors offer more competitive prices outside the busy spring and summer seasons.
Frequently Asked Questions
How long does decking last?
- Softwood decking: 10–15 years
- Hardwood decking: 20–30 years
- Composite decking: 25–30 years or more
With proper installation and maintenance, all can provide many years of use.
Does decking add value?
There’s no guaranteed increase in property value, but an attractive outdoor living space can make your home more appealing to buyers.
Is composite decking worth the extra cost?
For many homeowners, yes.
Its durability and low maintenance often make it a worthwhile long-term investment.
Do I need planning permission?
Most domestic decking projects don’t require planning permission, provided they meet permitted development rules. However, raised decking or projects in conservation areas may require approval.
Final thoughts
Decking is one of the best ways to transform your garden into a practical outdoor living space.
Whether you choose affordable timber or premium composite decking, investing in quality materials and an experienced installer will help ensure your deck looks great and lasts for years.
Before hiring a contractor, compare detailed quotes, read customer reviews and make sure you understand exactly what’s included.
Find a trusted decking installer
Planning a new deck?
Use The Right Guy to compare trusted local decking installers, landscapers and carpenters, read genuine customer reviews and request quotes from experienced professionals near you.
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