Get a Free Quote
Free Consultation - No Obligation
Helping You Make an Informed Decision
Help & Advice: Read our FAQs or Contact Us for Expert Advice
We know there’s a lot to think about when you’re considering a conservatory. To lend a hand, we’ve compiled a guide to answer any questions you may have about how to choose a conservatory.
From roof options and frame colours to planning permission and security, we cover all the frequently asked questions. We’ll also guide you through the finer points of conservatory design.
If you have any additional questions or would like more information on our conservatories, don’t hesitate to call us on 01752 786015 or fill in our contact form.
General Conservatory FAQs
What is the difference between a conservatory and an extension?
Conservatories are mostly glass-built single-storey structures, which often feature glass roofs to provide an additional downstairs living space.
Extensions are single- or multiple-storey builds, normally used to either increase the size of a room or to create space for kitchens, bathrooms, bedrooms, and living areas.
Are conservatories cold in winter?
Older conservatories can be cold in winter or too hot in summer, an issue that’s largely contributed to/caused by the style of roof glazing material.
We use the Guardian Warm Roof system, which can be fitted on a brand-new conservatory or to replace your existing roof. The Guardian Warm Roof system is lightweight, well-insulated and highly energy efficient, so your conservatory stays cool during the warmer months and retains the heat in the winter.
How long does it take to build a conservatory?
Build time differs from project to project and is subject to a number of different factors, such as the level of the ground and the weather. On average, it takes around two weeks to build a conservatory. We can provide specific details once a design has been agreed upon and the site has been assessed.
We have an odd shaped space; can we still have a conservatory?
Absolutely! As all of our conservatories are bespoke, we can design something to fit your available space perfectly.
Planning & Regulations FAQs
Is Planning Permission necessary?
New planning regulations came into effect in October 2008, so adding a conservatory to your home is considered a permitted development (i.e., something that doesn’t need Planning Permission), providing its subject to the following terms and conditions, as stated by Planning Portal:
- No more than half the area of land around the ‘original house’ would be covered by additions or other buildings.
- No extension forward of the principal elevation or side elevation fronting a highway.
- No extension to be higher than the highest part of the roof.
- Maximum depth of a single-storey rear extension of three metres for an attached house and four metres for a detached house.
- Maximum height of a single-storey rear extension of four metres.
- Maximum depth of a rear extension of more than one storey of three metres, including the ground floor.
- Maximum eaves height of an extension within two metres of the boundary of three metres.
- Maximum eaves and ridge height of extension no higher than existing house.
- Side extensions to be single storey with maximum height of four metres and width no more than half that of the original house.
- Roof pitch of extensions higher than one storey to match existing house.
- No verandas, balconies, or raised platforms.
- On designated land no permitted development for rear extensions of more than one storey; no cladding of the exterior; no side extensions.
Please note that if you’re proposing work to a listed building, listed building consent may be required.
Can I build a conservatory on the front of my home?
You require Planning Permission to build a conservatory on the front wall of any property, so this kind of build can only be carried out once permission has been granted by your local authority.
Are building regulation approvals needed?
Building Regulations are typically only needed if the conservatory exceeds 30sqm, is comprised of less than 70% translucent material, and/or is open to the property (i.e., if there aren’t any doors between the house and the conservatory).
I live in a bungalow; can I still have a conservatory built on my property?
Yes, Lean to Conservatories work well on single-storey properties. In addition, Double Hipped Conservatories were originally designed for use on bungalows and other height restricted properties.
Insurance & Cost FAQs
How much does a conservatory cost?
As every conservatory we build is different, we provide a design and quote service and don’t have set prices. We can work within your budget to design and build your perfect conservatory. Simply call us to discuss your design or check out our example pricing.
For a general overview of the factors that determine overall costs, check out our in-depth guide to what impacts conservatory pricing.
Will my buildings insurance cover my conservatory?
We advise speaking to your insurance provider to get a definitive answer, but generally, conservatories are covered.
Conservatory Features & Functions FAQs
Are conservatories secure?
Conservatories are generally at least as secure as your existing home windows/doors (this is dependent on age). In most cases, they are even more secure. Our conservatory glazing is all internally beaded, so the glass cannot be removed from outside. All windows are lockable, with night vent facility, and our doors feature 5 point -multi locking.
What should I take in to account when planning my conservatory?
Consider factors such as:
- How much sunlight does your garden receive and at what time of day? – This could affect where your conservatory is built, the kind of glazing used, and what décor you choose.
- How often will you use the conservatory? – Consider whether you’ll be using the conservatory daily or as more of an occasional room.
- How big do you want the conservatory to be? – Whilst it may be tempting to opt for a large build, make sure that you’re not taking up too much garden space. Conversely, don’t choose a very small space if you won’t benefit from adding it to your home.
- Is your chosen style in keeping with your property? – It’s important to choose your conservatory with the exterior and interior style of your home in mind. A modern conservatory may be your dream, but is it best suited to the period and design of your home?
What kind of glass do you use?
We use Warm Edge glass for conservatory frames, made by a local Cornish supplier. This glass aims to minimise energy loss through your windows, helping to keep your conservatory warmer and reduce your energy consumption.
Can I choose the colour of the conservatory frame?
Yes, in addition to the classic white, we offer a wide range of frame colours including:
- Anthracite Grey
- Smooth Anthracite
- Rosewood
- Golden Oak
- Chartwell Green
- Black Brown
- Irish Oak
Can I have a conservatory and still retain my privacy?
Yes, various options to help you retain your privacy are available, such as incorporating a full height wall into the build and installing obscure glazing or window blinds.
Guardian Warm Roof FAQs
How can Guardian guarantee the thermal performance of the warm roof system?
The Guardian Warm Roof System has been subjected to independent thermal analysis that takes into account the entire roof assembly, including cold bridging, to give a true U-value, as required by Building Regulations. Cold bridging has a major impact on U-value and, if not taken into account, will reduce thermal performance.
Many roof conversions state similar U-values or better. However, unless the entire assembly has been thermally tested, these are only theoretical. If in doubt, ask!
Why is the Guardian Warm Roof structural frame made from aluminium?
After months of testing the Guardian Warm Roof with various UK materials, a superior lightweight aluminium frame was chosen due to its high-performance structural properties.
Many roof systems use timber, which weighs significantly more, putting additional stress on the existing conservatory walls. Additionally, timber is also prone to shrinkage and is often cut to size on-site. In contrast, the Guardian Warm Roof structural frame is manufactured and preassembled under quality controlled factory conditions.
I’ve read reports of condensation and mould with these types of roof – how is Guardian different?
The Guardian Warm Roof is a ventilated roof system. Slots in the ring and ridge beams let air flow freely through the roof, allowing any moisture to exit. With many unproven roof conversions, moisture can form inside the roof, which causes staining and mould growth to the internal plasterboard. In turn, this leads to deterioration or even failure of the roof components.
Need more Help & Advice? We’re happy to help!
Experienced & Reputable
Trusted by Hundreds of Families Across Devon & Cornwall
At Crownhill Conservatories, your satisfaction is our main priority. But don’t just take our word for it – have a look at what some of our clients have had to say about our services.
Want to Join Our Happy Customers?
Contact us, and let’s get started today!


