5 Conservatory renovation mistakes you shouldn’t make 

Miles Procter
30 January 2025
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conservatory renovation mistakes

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Renovating a conservatory is a great opportunity to transform your home, creating a space that’s as practical as it is comfortable to be in. If you’re aiming for a bright, peaceful space, a practical home office, or even a cosy family room, your conservatory has the potential to become one of the most used areas of your home. However, without taking time to plan the space well, a conservatory renovation can easily go off track, leading to issues and unnecessary expenses. 

To help you make the most of your conservatory renovation, we’ve shared five common mistakes to avoid. By keeping these in mind, you’ll be better informed to design a space that meets your needs, improves your home, and provides comfort all year round. 

Mistake #1: Not taking into consideration the intended use of the conservatory 

One of the first steps in planning a conservatory renovation is deciding how you want to use the space. This might seem obvious, but it’s surprising how many homeowners don’t think about this important factor. Without a clear purpose, your conservatory can end up underused or feel disjointed from the rest of your home. 

How to plan for functionality 

You may be planning to create a dining room, a playroom, a study, or perhaps just a peaceful place to relax. Having a specific purpose in mind for the space will really help to organise many aspects of your renovation. For instance: 

  • Layout: A dining room may need a more open layout to accommodate a large table and chairs, while a study might benefit from a more organised, sectioned design with space for a desk and storage. 
  • Flooring: Durable, easy-to-clean flooring like tiles or laminate might be ideal for a playroom, while soft carpets or warm hardwood could comfort a study or relaxation space. 
  • Furniture: The furniture you choose will also vary. A dining room needs sturdy dining sets, whereas a playroom may need toy storage, beanbags, and low tables. Comfortable and practical desks and chairs are important for a study, while a relaxation space might include cosy seating, like a sectional sofa or chaise lounge.  
  • Lighting: Lighting choices will depend heavily on the space’s planned use. A study works well with focused lighting like desk lamps, while a playroom might feature soft, ambient lighting to create a fun and inviting atmosphere. A dining room could use a statement chandelier or pendant lights to set the mood, and a relaxation space might rely on dimmable lights for a calming effect. 

Designing for your specific needs 

By adjusting things like lighting, flooring, and furniture to suit the room’s purpose, you can ensure that the finished space is functional, comfortable, and perfectly matched to your needs. It’s important to get the best from your space and not create an environment that is underused or impractical.  

If you’re unsure where to start, think about your daily needs and how the conservatory can best serve your lifestyle. For inspiration, check out our home office ideas for conservatories. 

Mistake #2: Choosing the wrong style of conservatory for your house architecture 

Matching design to your home’s style  

Your conservatory should complement your home, not clash with it. While it’s tempting to choose a design based purely on what catches your eye, the style of your conservatory needs to harmonise with the architectural features of your property. House and Garden share some great conservatory ideas here for every kind of house.  

Avoiding mismatched aesthetics 

Keeping your property consistent in looks helps with its flow and stops it from feeling like simply an add-on extension. For example, a stylish, modern conservatory with clean lines might look out of place attached to a traditional Victorian home. Similarly, a classic Edwardian-style conservatory may feel mismatched on a contemporary new-build. Matching the design to your home’s overall looks and style makes sure that the conservatory feels like a natural extension, improving its appeal and adding extra value to your property. 

Take the time to research conservatory styles or consult professionals for advice. Our guide to conservatory windows and conservatory styles can also help you make choices that work with your home’s look. 

Mistake #3: Overlooking planning permission and regulations 

What you need to know about planning permission  

One of the biggest mistakes you can make during a conservatory renovation is failing to check whether planning permission is required. In most cases, conservatories are considered permitted developments, but this isn’t always the case. Factors like the size, height, and location of your conservatory could mean you’ll need approval from your local council. 

For example, conservatories built on listed buildings or properties in conservation areas often require planning permission. Similarly, if the structure exceeds specific size limits, you may need to apply for permission. Ignoring these regulations can lead to fines or even the need to dismantle your conservatory, which no one wants to deal with. 

To stay on the safe side, always consult your local planning authority or a trusted professional. For more information, government resources like the Planning Portal provide comprehensive guidance. 

Take a look at our blog on legal considerations for further assistance.  

Mistake #4: Not being mindful of heating and cooling year-round 

The importance of temperature control 

Temperature control is a huge issue for conservatories, especially in the UK, where weather can change dramatically. Many conservatories become uncomfortably hot in summer and freezing cold in winter, making them out of bounds for large parts of the year. 

Solutions for year-round comfort 

If you fail to address heating and cooling options during your conservatory renovation, you risk ending up with a space that’s too hot in summer or too cold in winter, making it too impractical to enjoy. Fortunately, there are a variety of solutions to make sure you get year-round comfort.

One of the most effective ways to create a comfortable conservatory is by improving insulation. Installing insulated roof panels, such as cosy panels, can really improve temperature control. These panels are designed to retain warmth during colder months while preventing excessive heat buildup in summer. You could also look at upgrading to double- or triple-glazed windows which can reduce heat loss and improve energy efficiency.

As an extra to insulation, adding temperature-regulating features can help to improve the comfort of the room even more. Underfloor heating is a popular choice for keeping a pleasant warmth under your feet in winter, while energy-efficient blinds can block out harsh sunlight during summer, keeping the space cooler. Thermal curtains or solar-control films are other effective options for managing temperature.

Proper ventilation is key to preventing overheating in summer. Adding roof vents or installing ceiling fans can promote airflow and keep the space fresh. To make life easier, look at automated systems that open vents or adjust blinds based on temperature or sunlight levels. 

By combining options such as insulated roof panels, improved windows, temperature control features, and ventilation – you can transform your conservatory into a space that’s both practical, comfortable and stylish, no matter what time of year. For more detailed advice, read our tips on how to insulate your conservatory. 

Mistake #5: Failing to plan for the furniture you want to include in the space 

How furniture affects conservatory design

Furniture might seem like an afterthought, but it’s an important aspect of conservatory design. Failing to plan for the type and size of furniture you want can lead to problems with layout and the way you can use the space. 

Start by thinking carefully about the dimensions of your conservatory and how much space is available for furniture without making the room feel cramped. If you’re planning to use the conservatory as a dining area, make sure that there’s enough room for a table and chairs, as well as room to move around the table.  

Maximising space and comfort with the right furnishings 

You’ll also need to think about how furniture interacts with natural light and temperature. Materials like metal or leather can become uncomfortable in extreme temperatures, so look for durable, heat-resistant options where possible. If you’re after affordable furniture ideas, our blog on conservatory furniture is a great place to start. 

 

Making the right choice 

Renovating a conservatory can be a rewarding project, but it’s not without its challenges. By avoiding these common mistakes, you’ll be well on your way to creating a space that’s stylish, comfortable, and perfectly matched to your needs. 

For more expert tips and inspiration, explore the CosyPanels blog. And if you’re ready to start your renovation journey, we’re here to help you make the most of your conservatory. 

 

Frequently Asked Questions

Do I need planning permission for a conservatory renovation?

Not always. Most conservatories fall under permitted development, but it’s essential to check with your local authority, especially if your property is listed or in a conservation area.

How can I keep my conservatory warm in winter?

Adding insulated roof panels, upgrading windows, or installing underfloor heating can help. You can find detailed advice in our conservatory insulation guide.

What’s the best style of conservatory for a modern home?

A contemporary lean-to or glass-to-floor conservatory often works well with modern properties, offering clean lines and minimal design.

How do I choose the right furniture for my conservatory?

Think carefully about the space’s intended use, the room’s temperature conditions, and your personal style preferences. Take a look at our affordable furniture ideas for inspiration.

Can I turn my conservatory into a bedroom?

Yes, but it requires careful planning to meet insulation, privacy, and structural requirements. Learn more in our blog on turning a conservatory into a bedroom.