Key Takeaways -

• Costs vary based on materials, size, and design complexity.
• DIY builds can save money, but pre-built kits offer convenience.
• Using reclaimed wood and materials from DIY stores can reduce expenses.
• A well-built playhouse adds long-term value to your outdoor space.

Building an outdoor playhouse can be a fun and rewarding project, but knowing the cost upfront is important to avoid overspending. The price depends on factors like the materials you choose, the size of the playhouse, and whether you build it yourself or buy a pre-made kit.

This article will break down the main costs to consider when building an outdoor Wendy house in the UK. It will cover material options, design choices, and the differences between DIY and pre-built kits.

Keep reading to learn what influences the cost of a children's playhouse and how to stay within budget while creating a fun, safe space for your children.

Factors Affecting the Cost of Building an Outdoor Playhouse

Materials Used

The materials you choose will greatly impact the cost. Wood options like pine, spruce, and larch vary in price, with pine being the most affordable. Pressure-treated wood is more durable but comes at a higher cost compared to untreated wood, which requires more maintenance.

Foundations also influence expenses—a concrete base is more expensive but stable, while wooden bases are cheaper. Eco-friendly options like waterproof membrane bases are a good alternative.

Material costs for a basic playhouse can be around £1,336, covering lumber, screws, concrete, and paint. However, fluctuating lumber prices may affect your overall budget.

DIY vs Pre-Built Kits

Building your own playhouse allows you to save money and customise the design. DIY projects can range from £200 to £2,000, depending on the complexity (1). Using reclaimed wood or pallets can reduce costs but requires more labour.

Pre-built kits are more convenient but less flexible. Prices range from £300 to £1,500, with wooden playhouses offering durability and plastic ones being easier to maintain. Customisation options are limited with kits, but they save time and effort.

Size and Design

The size of your playhouse directly impacts costs. Larger playhouses require more materials and labour, making them more expensive. A 100m² playhouse will cost more than a smaller 50m² option.

Simple designs are more affordable, but adding complex features like towers, slides, or porches can significantly increase expenses. Additional elements like windows, doors, and specific roofing choices also contribute to the overall budget.

Breakdown of Costs

Material Costs

Basic playhouse materials like timber can cost between £350 and £800 for an average-sized playhouse. Adding insulation will raise the cost, especially if you plan to use the playhouse year-round.

Roofing materials vary: bitumen sheets are affordable, while rubber roofing offers better durability at a higher price. Wooden playhouses tend to be more expensive than plastic ones, but they provide better longevity.

If you’re looking to save money, using pallets or reclaimed wood can significantly reduce material costs, though it may require more labour and preparation.

Labour Costs

DIY projects can save on labour costs, especially for simple designs. Labour time for DIY builds depends on complexity, with basic playhouses taking less time compared to those with intricate features. However, DIY requires tools and personal time investment, which adds indirect costs.

Hiring a professional for installation generally costs more but ensures quicker, more precise construction.

Factors like difficult site access or groundwork issues can increase labour costs, and regional differences mean that labour in urban areas tends to be more expensive than in rural regions.

Additional Costs

Foundations are essential, with concrete bases being the most stable but also the most expensive. For a more budget-friendly option, eco-friendly base alternatives can be used.

Utility connections, such as electricity and water, add to the overall cost, especially if you plan to use the playhouse year-round. Insulating the structure for cold weather also increases expenses.

Extra features like slides, swings, or custom designs will significantly increase the playhouse’s total cost, depending on the complexity and quality of the added items.

Playhouse Types and Cost Estimates

Small Wooden Playhouse

For a basic wooden playhouse, prefabricated options range from £2,750 to £6,500, depending on size and materials. These kits save time but come with higher upfront costs. If you prefer to build your own, DIY playhouses can be more affordable, costing between £350 and £800 for materials.

Tower playhouses, which often include slides or swings, fall in the mid-range of cost, with estimates ranging from £800 to £1,500 depending on the added features.

Larger or Custom Playhouse

Multi-story playhouses, which offer more space and design complexity, come with higher material and labour costs, typically ranging from £1,500 to £3,000. These designs often feature custom elements like extra levels or intricate play features, increasing both material and labour expenses.

Converted playhouses, such as those repurposed into garden offices or sheds, will require insulation and other modifications, with costs generally falling between £1,000 and £2,500 for the conversion, depending on the extent of repurposing.

Cost-Saving Tips for Building a Wendy House

Choosing Budget-Friendly Materials

Opting for pressure-treated wood can save money in the long run by reducing maintenance compared to hardwood. Sourcing free or low-cost pallets is another great way to cut costs, especially for a DIY build.

Reclaimed wood is not only eco-friendly but also a cost-effective alternative to new timber, though it may require more preparation and care during construction.

DIY Building Plans

Detailed planning is crucial for staying on budget. Free or low-cost blueprints are available online to guide your playhouse design. By taking a DIY approach, you can significantly reduce labour costs. However, this requires a time commitment and some level of woodworking skill to execute properly.

Long-Term Considerations

Designing the playhouse for multi-purpose use, such as a future garden shed or office, can add value and extend its usefulness. Keep in mind that yearly maintenance, like painting and waterproofing, will be needed to protect the structure.

Using durable materials from the start can help minimise long-term repair costs and prolong the wendyhouse's lifespan.

Legal and Planning Considerations

Do I Need Planning Permission for an Outdoor Playhouse?

In most cases, building a small outdoor playhouse won’t require planning permission, but it's important to check the rules. Playhouses must stay within height restrictions, typically no more than 2.5 meters, and not take up more than 50% of your garden space.

If the structure exceeds these limits, or if you live in a conservation area, you may need to apply for planning permission. Always check local permitted development guidelines to ensure your project complies with regulations.

Building Regulations

While playhouses are generally exempt from strict building regulations, certain legal requirements must still be followed. Solid foundations, proper drainage, and safety measures are essential, especially if the playhouse is elevated or has multiple levels.

Ensure that your kids playhouse meets local building codes to guarantee a safe and sturdy structure, particularly if you plan to repurpose it later as a shed or office.

How to Build Your Own Outdoor Playhouse

Planning and Design

Choosing the right playhouse type is essential. Single-story designs are simpler and cheaper, while multi-story options offer more play space but need extra safety features. Adding custom elements like towers or porches can make it more exciting but will increase costs.

You can design your playhouse using free tools like SketchUp or hire a professional for complex designs. Having a solid blueprint helps avoid issues later.

When selecting materials, go for weather-resistant wood like pine or spruce. For a budget-friendly option, use reclaimed wood or pallets, though these may require more prep work.

Laying the Foundation

A solid foundation is critical for long-term durability. For a concrete base, dig about 80 cm deep, pour quick-drying concrete, and ensure it’s level. This provides a stable, durable base for your playhouse and can cost between £300-£600, depending on size.

Alternatively, you can use a wooden base, which is more eco-friendly and easier to install. A raised wooden base made from treated timber beams and insulated underneath will keep the structure dry and stable, providing strong support for your playhouse.

Constructing the Frame

To build the frame, first cut your wood to the correct size for posts, beams, and joists. Once all pieces are prepared, assemble them into a solid frame, securing each part with screws or brackets. This creates the skeleton of your playhouse.

For the walls, use treated wood cladding to protect against weather. Roof materials like bitumen or rubber offer reliable waterproofing. When installing windows and doors, ensure they are securely framed and sealed to prevent drafts or leaks.

Adding Finishing Touches

Painting and decorating the playhouse can be a fun final step. Choose non-toxic, weather-resistant paints to protect the structure while adding vibrant colours or themes. Be sure to apply a waterproof layer to protect the paint from wear and tear over time.

You can also enhance the playhouse by adding optional features like a slide, swing, or sandpit. Securely attach swings with weatherproof ropes, or build a small porch to create extra play space. These features can boost the fun factor of your playhouse.

Safety Considerations

Safety should always be a top priority. For multi-story designs, install fall protection like railings or barriers. Ensure all windows and doors have child-safe locks and no sharp edges are exposed.

Weatherproofing is essential to protect the playhouse from rain, snow, and sun. Apply a waterproof sealant to all exterior surfaces and regularly inspect for damage. With proper maintenance, your playhouse can last for many years to come.

Frequently Asked Questions

How Much Does It Cost to Add Insulation to a Playhouse?

Adding insulation to a playhouse typically costs between £100 and £500, depending on the size and the materials used. Foam board, fibreglass, or even reflective insulation can be installed to help regulate the temperature for year-round use.

The type of insulation and its thickness will also affect the total cost.

Does Having a Flat Surface for Building a Playhouse Save on Costs?

Yes, building on a flat surface can reduce costs. It eliminates the need for additional groundwork or levelling, which can add significant expenses. A flat surface also ensures the playhouse is stable and safe, minimising the risk of structural issues later.

Is a Roof Overhang Commonly Included in a DIY Playhouse Kit?

A roof overhang is often included in many DIY playhouse kits, but this depends on the design. Overhangs help protect the structure from rain and extend the life of the playhouse. If not included, it can be added separately, but it may increase the overall cost.

How Much Does It Cost to Paint a Playhouse?

Painting a playhouse can cost anywhere from £50 to £200, depending on the size and quality of the paint. You will need to factor in the cost of primer, paint, and any tools, such as brushes or rollers. Regular painting is necessary to maintain the wood and protect it from weather damage.

Can I Use a Wood Stain for My Playhouse Instead of Paint?

Yes, wood stain is a great alternative to paint and can give the playhouse a natural look. Stains provide some weather protection while enhancing the wood’s texture and grain. However, it may need reapplication more frequently than paint to maintain its protective qualities.

Is There Any Alternative to Wood Preservative?

Yes, eco-friendly options like natural oils (e.g., linseed oil) or water-based sealants can be used as an alternative to traditional wood preservatives. These alternatives still offer protection against weather and pests but are often less harsh and more environmentally friendly.

What Types of Roofing Are Best for UK Weather Conditions?

Rubber roofing and bitumen sheets are the best options for UK weather conditions. Rubber roofing offers durability and water resistance, while bitumen is a more affordable option. Both materials provide strong protection against rain and can withstand the UK's variable climate.

Conclusion

In conclusion, building an outdoor playhouse in the UK can vary in cost based on materials, design, and whether you choose a DIY project or a pre-built kit. By carefully considering factors like size, roofing, and insulation, you can create a functional and fun playhouse within your budget.

DIY stores offer affordable materials and tools for those looking to save, while pre-built kits provide convenience. Whether you aim to create a simple or elaborate structure, investing in a durable playhouse will enhance your outdoor space for years.

Sources -

1. https://www.bosch-diy.com/gb/en/all-about-diy/build-your-own-playhouse