How Much is Decking Installation? A Complete Guide to Costs in 2024
Decking is a fantastic way to enhance the beauty and functionality of your outdoor space. Whether you're looking to create a relaxing retreat or a stylish entertainment area, a well-installed deck can significantly boost your property’s value and curb appeal. But the question remains: how much is decking installation?
The cost of decking installation depends on various factors, including materials, labour, and location. In this article, we will break down the costs associated with decking installation, help you choose the right material, and provide tips to save money on your project.

Understanding the Costs of Decking Installation
1. Material Costs
The choice of decking material plays a major role in the overall cost. Below are the most common decking materials and their price ranges:
Pressure-Treated Wood: £12 - £20 per square foot (including labour)
Composite Decking: £24 - £48 per square foot
Hardwood Decking (e.g., Ipe, Mahogany): £32 - £64 per square foot
PVC or Vinyl Decking: £28 - £56 per square foot
Aluminium Decking: £32 - £68 per square foot
The question of how much is decking installation often hinges on the choice of material, as some options require more maintenance or specialised labour.
2. Labour Costs
Labour costs can vary depending on the complexity of the project, the contractor’s experience, and the region. On average, decking installation labour costs range from £8 - £28 per square foot. Custom designs, multi-level decks, or intricate railing systems can increase labour costs significantly.
3. Size of the Deck
The total size of your deck directly impacts the price. A small 10x10 deck may cost around £2,000 - £4,000, whereas a large 20x20 deck could range between £6,400 - £24,000, depending on the materials and labour involved.
4. Permits and Inspections
Depending on your location, you may need permits for your deck installation, which can cost anywhere from £80 to £400. Some municipalities require inspections, adding to the total cost.
5. Additional Features
Extra features such as built-in seating, lighting, pergolas, or staircases will increase the cost. For example:
Built-in seating: £400 - £2,000
Pergolas: £1,600 - £4,000
Lighting: £400 - £2,400
Railings: £16 - £48 per linear foot
6. Decking Installation Cost by Material
To get a clearer picture of how much is decking installation, here’s a cost comparison based on materials:
Material | Cost per Square Foot (Installed) | Maintenance Needs |
Pressure-Treated Wood | £12 - £20 | High |
Composite | £24 - £48 | Low |
Hardwood | £32 - £64 | Medium |
PVC | £28 - £56 | Low |
Aluminium | £32 - £68 | Low |
How to Save on Decking Installation Costs
If you’re wondering how much is decking installation, you might also want to know how to reduce costs without sacrificing quality. Here are some ways to save:

1. Choose Affordable Materials
If you're on a budget, pressure-treated wood is the cheapest option, but it requires regular maintenance. Composite decking is more expensive initially but requires less upkeep over time.
2. DIY Some of the Work
If you have some construction experience, you might be able to handle parts of the project yourself, such as removing old decking or applying finishes, to save on labour costs.
3. Compare Multiple Quotes
Get quotes from at least three contractors to ensure you’re getting a fair price. Ask about their experience, previous projects, and warranty offers.
4. Build During Off-Peak Seasons
Spring and summer are peak times for decking projects. Hiring a contractor in autumn or winter could save you money.
5. Opt for Simple Designs
Elaborate deck designs with curves, multiple levels, or custom railings can drive up costs. A straightforward design will be more affordable.
FAQs on Decking Installation Costs
1. How much is decking installation for a small deck?
A small 10x10 deck can cost anywhere from £2,000 to £4,000, depending on the material and labour costs.
2. How much is decking installation for composite decks?
Composite decking costs range from £24 - £48 per square foot, making it one of the more expensive but durable options.
3. Does location affect how much is decking installation?
Yes. Urban areas or places with a high cost of living generally have higher labour costs. Rural areas may be cheaper.
4. What is the most budget-friendly decking material?
Pressure-treated wood is the most affordable option, typically costing £12 - £20 per square foot installed.
5. How much is decking installation if I hire a professional?
A professional installation can cost anywhere from £8,000 to £24,000 for a medium-sized deck, depending on the materials and complexity.
6. Can I finance my decking project?
Many contractors offer financing options, and you can also explore home improvement loans or credit options.
Conclusion
So, how much is decking installation? The answer depends on various factors, including material, labour, size, and additional features. A basic wood deck could cost as little as £2,000, while a large, high-end composite or aluminium deck might reach £24,000 or more.
To get the best value for your money, compare material options, obtain multiple quotes, and consider DIYing some aspects of the project. By planning carefully and making informed choices, you can achieve a beautiful and functional deck that fits within your budget.
Are you planning a decking project? Let us know in the comments! We’d love to hear about your experiences and help you navigate your deck installation journey.
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