Builders
Carpenters
Electricians
Flooring Specialists
Gardeners
Handymen
Heating Engineers
Painters & Decorators
Plasterers & Renderers
Plumbers
Roofers
Tilers
mySummer House Cost
At a Glance
- The average cost of building a summer house in the UK is around £3,000
- The job will approximately take between 3 to 14 days to complete
- Larger or more complex projects may take longer
- A breakdown of pricing information including types of summer houses and everything that such a task entails
- How long the job may take and a general overview of what types of jobs can be performed
- How to find and hire a builder
Get free estimates
Are you a trade? Get more work today!
£3,000
Table of Contents
- How Much Does a Summer House Cost to Build?
- Labour Cost to Build a Summer House & Timescales
- Supply-Only Summer House Costs
- Additional Summer House Building Costs
- Factors that Affect the Cost of a Summer House
- Do You Need Planning Permission for a Summer House?
- Building Regulations for a Summer House
- Types of Summer House
- Alternatives to Summer House
- Checklist: Finding a Summer House Builder Near You
- FAQs
How Much Does a Summer House Cost to Build?
In 2026, the average cost to build a summer house in the UK is around £3,000. A small, basic, prefabricated summer house kit can cost as little as £500 (not including labour fees), while larger bespoke builds can cost £10,000 or more.
Building a summer house is a complex job. Most tradespeople charge around £170 to £250 per day, so labour costs often exceed £2,000 depending on the size and specification.
The final price depends on the size, base requirements, materials, level of finish, and whether you require planning permission. Bespoke builds usually cost more than prefabricated kits because they involve additional design work, materials, and labour.
Summer House Prices
| Job Description | Duration | Material Costs | Labour Costs | Estimated Total Cost |
|---|---|---|---|---|
| Small Contemporary Summer House | 5-10 days | £500-£3,000 | £850-£2,800 | £1,350–£5,800 |
| Large Contemporary Summer House | 7-14 days | £2,000-£5,000 | £1,200-£3,800 | £3,200–£8,800 |
| Small Traditional Summer House | 5-10 days | £350-£1,500 | £850-£2,800 | £1,200–£4,300 |
| Large Traditional Summer House | 7-14 days | £1,000-£3,000 | £1,200-£3,800 | £2,200–£6,800 |
| Small Corner Summer House | 3-7 days | £600-£1,200 | £500-£1,900 | £1,100–£3,100 |
| Large Corner Summer House | 5-10 days | £1,000-£2,000 | £850-£2,800 | £1,850–£4,800 |
Want a custom price?
Post your job
Labour Cost to Build a Summer House & Timescales
Most contractors charge between £170 and £250 per day for labour. For a typical project, this means labour costs often range from £850 to £3,800, depending on the size and complexity of the build. In London and the South East, day rates can be £30 to £100 higher.
Size of Summer House
The size of your summer house can greatly affect the cost of labour. The larger the structure, the longer it will take to build, and therefore the more you can expect to pay. Larger or more complex projects may also require additional groundwork.
Your Location
Your location in the UK can affect the cost of labour. Areas with a higher cost of living, such as London and the South East, generally have higher day rates.
Materials Used
The materials used to build your summer house can affect the overall cost that you will pay for the labour. A concrete summer house will usually take longer to build than a wooden summer house.
If you choose to have a concrete summer house built, you can expect to pay around £1,000 to £5,000 more for the labour, depending on the size of the structure that you are having built.
Bespoke or Prefabricated
If you choose a prefabricated kit, installation is typically quicker. A bespoke design will take longer and may require additional planning, calculations, and finishing work, which increases labour costs.
Type of Labourer
Specialist trades such as electricians or joiners may charge higher daily rates than a general builder. Adding electrics or plumbing will increase the total labour cost.
Supply-Only Summer House Costs
There are many different types of prefabricated summer houses available to buy. Supply-only costs can range from £350 to £5,000, depending on the size, design, and materials used. Below are some of the most popular types of summer houses and their costs.
Contemporary Summer House
A contemporary summer house offers a more modern design, often featuring larger windows and clean lines. Supply-only prices typically range from £500 to £5,000 depending on the size and specification.
Traditional Summer House
A traditional summer house usually features an apex roof and classic window styling. Supply-only prices generally range from £350 to £3,000, depending on size and materials.
Corner Summer House
Corner summer houses are designed to fit neatly into smaller outdoor spaces. Supply-only prices typically range from £600 to £2,000, with most models being smaller in size than standard designs.
| Type | Typical Size | Supply-Only Cost |
|---|---|---|
| Contemporary | Small to Large | £500–£5,000 |
| Traditional | Small to Large | £350–£3,000 |
| Corner | Compact Designs | £600–£2,000 |
Want a custom price?
Post your job
Additional Summer House Building Costs
There are a number of additional costs that you may need to think about during a summer house installation. Below is a list of some additional costs that you may need to consider when it comes to building your new garden summer house.
- Electricity and Plumbing — Depending on the plan of use, you may need to hire a professional electrician to install light fittings or fit the appropriate plug sockets and other electrical wiring. Likewise, if you need any water supplies a plumber will carry out the work for you.
- Outdoor lighting — Outdoor lighting can come in a number of different styles to suit your personal taste and the average prices range from £10-£100
- Laying garden turf — The cost of laying garden turf averages out at around £12-£20 per square metre
- Garden decking — The cost of garden decking ranges depending on the style that you choose, however, as a guide a decent timber decking usually costs around £50-£100 per square metre
- Garden waste removal — Depending on the amount of waste that you have and the amount of time it takes to be removed, this should cost on average between £100-£200
- Fixtures and Fittings — This can include all the finishing touches once building your summer house has been completed. Whether it be furniture such as chairs and tables (on average between £50-£800), curtains, cushions and other decorative items, or by adding shelves and storage facilities.
- Ongoing Maintenance Costs — When choosing the type of summer house you want, you should consider potential maintenance costs. Wooden summer houses require regular treatment to prevent rot and moisture damage. A 5L container of wood preserver typically costs £15 to £25. Occasional roof repairs and resealing may also be required over time.
Ask a Trade
Got a question that only a tradesperson can answer? We have thousands of trades ready to answer any question you may have.
Ask your question
Factors that Affect the Cost of a Summer House
There are a number of things that can affect the cost of your summer house. Below is a list of some of the main factors that can affect the cost of your new summer house.
Ground Preparation and Base Requirements
If your garden is not completely level, it may require additional groundwork to create a stable and secure base. The more extensive the groundwork, the higher the labour cost is likely to be.
If the area needs clearing, excavation, or drainage improvements, this will increase the price before construction of the summer house begins.
Size of the Structure
The size of your summer house can greatly affect the cost. A small 7ft x 5ft summer house can cost as little as £350, whereas a larger 12ft x 12ft structure can cost up to £5,000.
If you are unsure about the size you need, requesting quotes for more than one option can help you make a more informed decision.
Materials and Specification
The type and quality of materials used will influence the overall cost. Thicker timber, insulation, upgraded windows, and higher-specification finishes will increase both material and installation costs.
Heating, Lighting, and Services
If you plan to install lighting, plug sockets, heating, or plumbing, these services will add to the total cost. Electrical work must usually be carried out by a qualified electrician, which increases labour costs.
Do You Need Planning Permission for a Summer House?
In the majority of cases, planning permission is not required for a summer house, provided it meets the conditions of Permitted Development Rights. These rules allow certain outbuildings without formal consent, provided you comply with height, placement, and use limits.
You may need planning permission if:
- The summer house is placed in front of your home.
- It covers more than 50% of the land around your property.
- It will be used as additional accommodation.
Height restrictions also apply. The structure must not exceed:
- 4m with a dual-pitched roof.
- 3m with any other roof type.
- 2.5m if located within 2m of a property boundary.
If your property is a listed building or located on designated land such as a conservation area, an Area of Outstanding Natural Beauty, a national park, or a World Heritage Site, you will likely need planning permission to add any outbuildings.
In these areas, additional limits may apply. For example, outbuildings located more than 20m from the house must not exceed 10m².
Where applicable, planning permission fees include the £258 householder application. Applications can be made through your local planning authority (LPA), which is usually managed by your local council.
Building Regulations for a Summer House
Building regulations will usually not apply if you want to put up a summer house providing it is less than 15m² and does not contain any accommodation for sleeping.
Also, if the floor of the summer house is between 15-30m², you will not normally be required to apply for building regulations approval as long as the summer house doesn’t contain any sleeping accommodation. It also has to be at least 1m away from the boundary.
The vast majority of the time, you will not need to apply for building regulation approval for a typical summer house. However, if you wish to check your project meets the appropriate guidelines then ask your local council’s Building Control department or check if a structural engineer’s input is needed.
Types of Summer House
There are a number of different summer house designs, each with their own pros and cons.
| Type | Best For | Typical Price Level |
|---|---|---|
| Contemporary | Modern garden designs and larger windows | Medium to High |
| Traditional | Classic gardens with apex roofs | Low to Medium |
| Corner | Maximising space in smaller gardens | Low to Medium |
| Small Summer House | Compact gardens or storage use | Low |
| Log Cabin Style | Thicker timber and year-round use | High |
| Summer House Shed | Combined relaxation and storage space | Low to Medium |
Want a custom price?
Post your job
Below is a list of some of the most popular choices when it comes to a summer house and a little bit of information on each of the different types.
Contemporary Summer House
For people that are looking for a more modern design of summer house a contemporary summer house is the ideal choice. A contemporary summer house tends to feature large windows and doors that offer a lot of natural light. A contemporary summer house is perfect for those that want to give their garden a more modern flair.
Traditional Summer House
One of the most popular choices of summer house is a traditional summer house. These summer houses usually feature Georgian windows and are commonly fitted with an apex roof shape. Traditional summer houses are perfect for those that want to keep an older aesthetic look within their garden.
Corner Summer House
It can sometimes be difficult to find the room needed to fit a summer house in your garden. This is particularly true for those who have smaller garden spaces.
These circumstances are where a corner summer house would come in perfect as they are specially designed to fit into a corner, so you can make the most of all of your available garden space. These designs of summer house typically feature two opening side windows and double doors at the front that give you a panoramic view of your garden.
Small Summer House
An alternative to a corner summer house is a small summer house which is also perfect for those with smaller gardens. A small summer house can usually be as small as 6’x4’ which makes them perfect as a small, quiet place to relax.
It can also make a great storage place to keep your garden furniture during the winter months. Small summer houses are a convenient, budget-friendly option.
Log Cabin Summer House
A log cabin style of summer house is a more luxurious summer house. They look absolutely magnificent in your garden and are very strong and sturdy. They are built to withstand harsh weather conditions and are guaranteed to last many years.
Summer House Shed
Summer house sheds are a combination of a summer house and a shed. This provides you with a lovely place to relax as well as a great place to store your garden items.
These types of summer house are ideal for people who like to utilise their space as best as possible.
Alternatives to Summer House
There are a number of alternatives to building a summer house. Below are some of the most popular alternatives that people choose over building a summer house.
Garden Shed
A garden shed is perfect for those who are looking for a place to store their outdoor items such as garden furniture and gardening tools. A garden shed is not really suitable for relaxing in as they tend not to feature any windows and are usually much smaller in size than a typical summer house. An average-sized budget shed with a simple slab base typically costs around £820.
Conservatory
A conservatory is a room with a glass roof and walls that is attached to a house on one side, usually at the back. A conservatory is a great place to relax but may take longer and be more difficult to build than a summer house.
Unlike a summer house, a conservatory has to be built as an additional room on to the side of your house. A typical conservatory usually costs on average around £5,000-£15,000.
Gazebo
If you are simply looking for a space to relax without having to worry about rain in your garden, a gazebo would work perfectly.
There are many different types of gazebo include ones with zip-up walls and even plastic windows. Depending on the size and style, a gazebo will usually cost on average between £50-£400.
Checklist: Finding a Summer House Builder Near You
Below are a few things that you need to consider when hiring someone to build your summer house:
- Do they offer any guarantees?
- How much experience does the contractor have in building summer houses?
- What designs do they offer?
- Can they provide a quote with the prices narrowed down to each part of the job?
- Be sure to obtain at least 3 quotes to ensure you are getting a good price for the work.
FAQs
Can I Put a Summer House on Decking?
It is very possible to build your summer house on foundations that are made up of level timber decking. You will need to ensure that there is a weed-proof membrane between the floor and the decking.
Can I Build a Summer House Myself?
If you have suitable building experience, then it is possible to build a summer house yourself, with a basic prefabricated kit being the most suitable option. However, whatever the design, building a summer house is a very big job and can take several weeks to complete. You could save £500-£3000 on labour costs but realistically, professional assistance is always recommended.
How Much Does It Cost To Remove a Summer House?
Removal labour typically costs £15 to £25 per hour. Garden waste removal usually ranges from £100 to £200, depending on the size of the structure.
Does a Summer House Add Value to Your Home?
A well-built summer house may increase property appeal, especially if it can be used as a garden office or additional living space. The potential value it can add depends on the size and quality of the structure.
