Everything You Need to Know About Conservatories: A Homeowner's Guide

Conservatories remain one of the most popular home improvements in the UK, offering additional living space, improved natural light, and the potential to increase property value. Whether you're considering installing a new conservatory, upgrading an existing one, or simply curious about options and regulations, this comprehensive guide will answer your most important questions.

Collington's Conservatory Guide

What Is a Conservatory?

A conservatory is a glass-walled extension typically attached to the rear of a property. Traditionally, conservatories were built to house plants and enjoy the sun year-round. Today, they are used for a wide range of purposes including dining areas, lounges, home offices, and playrooms. Most conservatories feature a pitched glass or polycarbonate roof and uPVC or aluminium frames.

Do You Need Planning Permission for a Conservatory?

In most cases, conservatories fall under "permitted development" rights in England, Scotland, and Wales. This means you generally do not need planning permission, provided the build adheres to certain limits:

• The conservatory does not extend beyond 3 metres from the original rear wall of a terraced or semi-detached house, or 4 metres for a detached house

• It is no taller than 4 metres

• It doesn’t cover more than half the land around the original house

• It’s not built forward of the principal elevation facing the road

However, planning permission may be required if:

• You live in a listed building or conservation area

• The structure does not comply with permitted development limits

• You plan to install a conservatory on a flat or maisonette

Always check with your local authority before starting any work.

Do Conservatories Add Value to a Home?

A well-designed, professionally built conservatory can add value to your property, especially if it increases the overall square footage and offers functional living space. It is important, however, that the style of the conservatory matches the property and is usable year-round.

Poorly insulated or outdated conservatories may actually deter buyers.

According to various UK estate agents, a conservatory could add around 5% to a property's value, depending on the size, quality, and location.

How Much Does a Conservatory Cost?

The cost of a conservatory in the UK can vary significantly based on size, materials, glazing, roofing, and additional features. Here's a general estimate:

• Basic lean-to uPVC conservatory: from £8,000

• Victorian or Edwardian style: £10,000 to £25,000

• Orangery-style conservatories: £20,000 to £50,000+

Extra costs may include foundations, heating, electrics, flooring, and blinds.

Types of Conservatories

Different styles of conservatories suit different properties and purposes:

• Lean-To: Simple and cost-effective, suitable for smaller spaces

• Victorian: Features a bay front and ornate roof, ideal for period properties

• Edwardian: Offers a square or rectangular shape with a pitched roof for maximum space

• Gable-End: High vaulted ceilings with a grand appearance

• P-Shaped or L-Shaped: Larger designs that combine styles for multi-functional space

• Orangeries: Blend solid walls and roof sections with glazing for a more room-like feel

Choosing the Right Materials

The most common frame materials are:

• uPVC: Affordable, low-maintenance, and available in various finishes

• Aluminium: Slim, strong, and modern with excellent durability

For roofing, options include:

• Polycarbonate: Cost-effective but poor insulation

• Glass: Allows maximum light but may need solar control features

• Tiled/solid roofs: Offers better insulation and a room-like feel, but may require planning permission

How to Keep a Conservatory Warm in Winter and Cool in Summer

Temperature control is one of the biggest challenges. Tips include:

• Installing high-performance glazing (e.g., Low-E glass)

• Adding roof and window blinds or solar control film

• Using underfloor heating, electric radiators, or air conditioning

• Opting for a tiled roof or adding insulation

What Are the Common Uses for Conservatories?

Modern conservatories serve a range of practical purposes, such as:

• Dining room

• Home office

• Children’s playroom

• Lounge or reading area

• Garden room

• Hobby or craft space

When planning, think carefully about access, layout, and how it complements the rest of your home.

Do Conservatories Require Building Regulations?

Even if planning permission is not needed, building regulations may apply if:

• The conservatory is more than 30 square metres

• It's not separated from the main house by external doors

• It includes heating systems connected to the main house

To comply, the conservatory must meet energy efficiency and structural standards. Always consult a qualified builder or your local authority for advice.

How Long Does It Take to Build a Conservatory?

Timelines vary depending on the design and contractor, but a typical conservatory can take:

• 2 to 3 weeks for small to medium installations

• Up to 8 weeks or more for larger or bespoke projects

This includes groundwork, frame installation, glazing, and internal finishing.

Conclusion

Conservatories offer a versatile and attractive way to extend your living space. With the right planning and a professional team, they can become a year-round asset to your home. At Collingtons, we’ve been designing and installing high-quality conservatories across Cornwall for over 50 years.

Our expert team will guide you through every stage. From initial ideas and planning permission advice to custom design and professional installation.

Whether you're looking for a cosy lean-to or a grand orangery, we take pride in delivering tailored solutions that complement your home and lifestyle. Contact Collingtons today to arrange a free consultation and discover how we can help bring your conservatory project to life.