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Conservatory Cost: What You Need to Know Before Starting Your Project


Conservatory with glass roof, white furniture and green windows

Credit: orangeries-uk.co.uk

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Adding a conservatory to your home is an excellent way to create extra living space while also enhancing the overall appeal and value of your property. Conservatories allow you to enjoy the beauty of the outdoors while staying cosy indoors, regardless of the weather. Whether you want a light-filled space for relaxation, a playroom for the kids, or even a home office, conservatories offer great versatility. However, before embarking on this exciting home improvement project, it’s crucial to fully understand the conservatory cost and the factors that influence it. 


In this comprehensive guide, we’ll break down everything you need to know about conservatory costs, including the different types of conservatories, how planning permission affects your budget, and tips for saving money. We’ll also explore how platforms like HiiGuru can help you with your project by providing access to expert advice without the complexity or high cost typically associated with home renovations. 


Table of Contents



What is a Conservatory?


A conservatory is a glass-enclosed space, typically attached to the back or side of a home, designed to let in as much natural light as possible. Traditionally, conservatories were used to house plants and flowers, hence their name. However, today they are used for a variety of purposes, from casual sitting rooms and dining areas to home offices and even indoor gardens. 


What sets a conservatory apart from other extensions is its extensive use of glass—often comprising the majority of the walls and sometimes even the roof. This design makes conservatories ideal for capturing sunlight and providing unobstructed views of the outdoors, giving the space an open, airy feel. 


Why Add a Conservatory?


Conservatories are a popular home improvement because they blend indoor and outdoor living, creating a peaceful retreat bathed in natural light. They are also versatile; you can design them for virtually any purpose, and they fit well in both modern and traditional homes. Best of all, a conservatory can increase the overall value of your property, making it an attractive investment.


However, as attractive as they may be, conservatories come with costs. To avoid any surprises, it’s essential to understand the factors that influence the overall conservatory cost.


Conservatory with white frame windows

Credit: contemporarystructures.co.uk

Would you like a similar design for your conservatory? Let Rick help you create your dream project.

Factors That Affect Conservatory Cost


Conservatory costs can vary significantly based on several factors. Being aware of these can help you budget more accurately and make informed decisions during the planning process. 


Size of the Conservatory


The size of your conservatory is one of the most critical factors in determining cost. Larger conservatories naturally require more materials and labour, which increases the price. If you’re looking for a spacious area to entertain guests, you should expect to pay more compared to a smaller, more intimate conservatory designed for relaxation.


Materials Used


The type of material used for the frame of your conservatory also plays a big role in the overall cost. The most common materials are uPVC, aluminium, and timber:


  • uPVC is the most cost-effective option and requires very little maintenance. It’s widely used for conservatories due to its affordability and durability. 

  • Aluminium is more expensive but offers a sleeker, more modern appearance. It is also very durable and can support larger panes of glass, making it ideal for those who want a more minimalist look.

  • Timber is the most expensive option, providing a more traditional and natural appearance. While it’s aesthetically pleasing, timber requires more maintenance and tends to be less energy efficient compared to uPVC or aluminium.


Glazing Options


The type of glass you choose can also affect your conservatory cost. Most conservatories use double glazing for insulation, but triple glazing is an option for better energy efficiency, albeit at a higher cost. Additionally, glass with special coatings that reduce glare or enhance thermal efficiency will also add to your overall expenses.


Need the help of an architect? Book one of our Architecture Gurus for a 30-minute video call. Transforming your home into a space you love shouldn't be a daunting task. With HiiGuru you can save time, avoid costly mistakes and bring your goals to life with experts by your side.

Roof Type


The choice of roof can make a significant difference in both the cost and energy efficiency of your conservatory. The three main options are:


  • Polycarbonate roofing: This is the most affordable option, but it tends to offer lower insulation and is prone to noise during rain.

  • Glass roofing: Glass roofs are more expensive than polycarbonate but provide a cleaner, more transparent look and better insulation.

  • Solid roofs: A solid roof, made from tiles or other materials, can transform your conservatory into a more traditional extension. While this is the most expensive option, it also provides the highest energy efficiency and helps regulate temperature better than glass or polycarbonate.


Labor and Installation Costs


Professional installation is essential for ensuring that your conservatory is safe, durable, and compliant with regulations. Labour costs vary based on location and the complexity of your conservatory’s design. Urban areas typically have higher labour rates compared to rural locations.


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Types of Conservatories and Their Costs


Different styles of conservatories come with different price tags based on design complexity, materials used, and the amount of labour required. Below are the most common types of conservatories and their respective costs:


Victorian Conservatory Cost


A Victorian conservatory is characterised by its bayfront, steeply pitched roof, and ornate detailing. Its design is more complex, which typically makes it more expensive than other types. This style is perfect for homeowners who want to add a touch of elegance and traditional charm to their property.


  • Average Cost: £10,000 to £25,000, depending on the size and materials used.


Edwardian Conservatory Cost


The Edwardian conservatory features a more modern design with a square or rectangular shape, which maximises interior space. Its simplicity in structure and clean lines make it a practical yet stylish choice.


  • Average Cost: £9,000 to £20,000.


Lean-to Conservatory Cost


Lean-to conservatories are among the most affordable and straightforward designs. With their rectangular shape and sloping roof, they are easier and quicker to build, making them the go-to choice for those on a budget.


  • Average Cost: £7,000 to £15,000.


Conservatory overlooking the garden

Credit: conservatoryland.com

Need the help of an expert for your conservatory? Book a consultation with Bea today.

Planning Permissions and Regulations


Before you start building your conservatory, you’ll need to determine whether you require planning permission. Many conservatories are considered "permitted developments" under UK planning laws, meaning you don’t need formal approval, as long as your conservatory meets specific size and location criteria.


However, if your property is in a conservation area, or if you live in a listed building, you may need to obtain planning permission before construction begins. Obtaining permission can add time and cost to your project, so it's essential to check with your local planning authority before starting.


How to Save on Conservatory Cost


While conservatories can be a significant investment, there are several ways to keep costs down:


  1. Opt for uPVC Materials: uPVC is not only affordable but also low maintenance, making it an excellent choice for homeowners looking to save on material costs.

  2. Consider a Smaller Design: A smaller conservatory not only requires fewer materials but also cuts down on labour costs.

  3. DIY Installation: For those with DIY experience, self-build conservatories are available as kits, reducing labour costs. However, keep in mind that this option requires technical skills and time.

  4. Use Standard Designs: Custom conservatories tend to be more expensive. Opting for standard designs can save you a significant amount of money.


HiiGuru: Making Your Conservatory Project Easier


Planning and building a conservatory can feel overwhelming, especially when considering all the design options, regulations, and costs involved. This is where HiiGuru comes in. HiiGuru is an online platform that connects homeowners with professional architects and structural engineers who can provide expert advice for your home project. 


The great thing about HiiGuru is that it’s easy to use and affordable. Unlike traditional architectural firms that require lengthy contracts and expensive consultations, HiiGuru allows you to book expert consultations on demand. Whether you’re seeking advice on the best materials for your conservatory, navigating planning permissions, or figuring out how to optimise your budget, HiiGuru’s professionals are there to guide you through the process.


By using HiiGuru, you can avoid costly mistakes, ensure your project complies with regulations, and get tailored advice specific to your needs—all without the high price tag.


Conservatory with bow window overlooking the garden

Credit: phairwindowsandglass.co.uk

Do you want to know the best solution for your home project? Book a call with Juan today. 

Our Final Thoughts


Building a conservatory is a fantastic way to enhance your home’s functionality and value, but it's essential to have a clear understanding of the conservatory cost involved. Whether you’re opting for a Victorian, Edwardian, or lean-to conservatory, factors like materials, size, glazing, and labour will all impact your final budget. Careful planning and strategic decisions can help you stay within your budget while still creating a beautiful and functional space.


For those looking for expert guidance, HiiGuru provides a convenient and affordable solution. With access to architects and structural engineers, you can make informed decisions that ensure your project is a success from start to finish. By investing time in research and expert advice, you can create the conservatory of your dreams without unnecessary costs or headaches.


Need the help of an architect? Book one of our Architecture Gurus for a 30-minute video call. Transforming your home into a space you love shouldn't be a daunting task. With HiiGuru you can save time, avoid costly mistakes and bring your goals to life with experts by your side.

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