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Building A Conservatory Cost

How much is a conservatory? What styles are available? When choosing a conservatory for your home, there are different styles, frames, roofs, flooring, and more that you can choose from...

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What is a Conservatory

A conservatory is a glass room which is attached to the house but is considered to be a separate room. It is usually made entirely from glass or poly carbonate materials and this includes the roof.

What is the difference between a Conservatory and a Orangery?

Your typical orangery provides more functionality and home value than a lean-to or Victorian conservatory extension.

Because orangeries are built out of brick and include a more substantial roof, they are far more energy efficient. It means that in the midst of winter, when any ordinary conservatory might be a no-go zone, an orangery will continue to offer a great living space with views across the garden

Conservatory Terminology

Conservatory Frame Materials:

  • Usually made from uPVC
  • Metal
  • Wood
  • Conservatory frames

    Installers will generally offer you three choices on the frame of your conservatory – that’s the bit between either the ground or the top of the dwarf wall and the roof.

    uPVC conservatories

    Still the most popular choice for homeowners, uPVC technology has come on a long way in the last 30 years. It’s not prone to fading any more, fit quality is a lot better because of more precise measurement tools used in the manufacturing process, and they’re more tough and durable than ever.

    Most uPVC installations are in the classic white shading however your installer will be able to offer you a variety of different colours than ever before.

    Of the three options, uPVC requires the least amount of maintenance and it is the cheapest, a point of particular interest to homeowners operating on a tighter budget.

    Metal conservatory frames (usually aluminium)

    Of the three frame options, aluminium frames are the longest lasting – you can expect at least 50 years’ resistance to wear and tear if you choose this for your conservatory. They undergo extensive weathering and drying treatment prior to leaving the factory making them incredibly tough, warp- and distortion-proof, and they will not rust.

    Just like uPVC frames, you can choose from a range of colours to suit your home and your personality. In terms of maintenance, a rub-down every six months or so is all you need to do.

    Wooden conservatories

    This is the frame that everyone wants but because the raw material is so expensive as are the treatments that the wood used undergoes prior to being sent to your installer, it’s not budget-friendly for most homeowners.

    Of the three types of frame, they need the most maintenance and you will need to repaint your frames every three or four years to weatherproof them. So, how much more does wood cost than uPVC? We’ve gathered up some quotes to give you an idea of the price differential between the two on a 3.5m2 new conservatory.

    Conservatory Styles:

  • Lean To
  • Victorian
  • Edwardian
  • P-shaped
  • T-shaped
  • L-shaped
  • Orangary
  • Conservatory wall and base

    There are two types of wall you can choose for your conservatory – either a dwarf wall with the framing placed on top or you can choose having your conservatory walls entirely made of double-glazing panes.

    Dwarf wall

    Having a dwarf wall adds to the cost of your conservatory but, for a variety of different reasons, it is the most popular choice for homeowners.

    A dwarf wall provides really strong support for the frame of your conservatory – that’s important if you choose a heavier glass or standard-tiled roof. Generally, dwarf walls extend generally to about a metre in height from the ground.

    Glazed wall (top to bottom)

    Fully-glazed conservatory walls which reach from the base right to the roof are certainly more in fashion at the moment. Open many home improvement magazines and you can see some beautiful and elegant glass wall conservatories.

    They are cheaper than having a dwarf wall but there are extra considerations you’ll have to take into account, including:

  • security – will the all-glazed walls be strong enough to resist intruders? If that’s a concern, make sure you ask your installer about toughened glass (more on that later) and if they offer stronger security frames to resist someone trying to prize the panes apart.
  • strength – you may be constrained on your desired choice of roof with a glazed wall because the frame will have to be strong enough to support the roof.
  • insulation – the dwarf wall on a conservatory will insulate it more than a glazed wall. Ask your installer to give you an educated assessment for your particular situation on whether having a fully glazed wall will require a more expensive type of glass to keep the cold out and the warmth in.
  • Size Type Frame Material Roof Material Prices range from

    3500 x 3500 Edwardian Wood Glass £13,500- £15,000

    3500 x 3500 Edwardian uPVC Glass £9,500-£11,000

    3500 x 3500 Lean To Wood Glass £12,750-£14,250

    3500 x 3500 Lean To uPVC Glass £9,500-£11,000

    3500 x 3500 Victorian Wood Glass £16,000-£17,500

    3500 x 3500 Victorian uPVC Glass £12,000-£13,500

    Your conservatory roof

    Your frame (and, if you choose one, your dwarf wall) must be strong enough to hold your conservatory roof in place. The roof you choose has a direct effect on both how much light gets into your conservatory and its overall heat- and noise-insulation qualities.

    What are your options?

    Polycarbonate conservatory roof

    Polycarbonate shares many of the same qualities as a double-glazed roof but it’s by far the most economical option available to you. In addition, polycarbonate weighs a lot less than double-glazing meaning that, in most cases, you won’t need to ask your installer to reinforce the frame to hold it up.

    Many installers find polycarbonate roofing much easier and quicker to install on conservatories. So, as well as the cost saving on the materials, there are further savings to be made on the installation costs too.

    You can save even more money but choosing thinner layers of polycarbonate for your conservatory roof but there is a price to pay – thinner polycarbonate won’t insulate your conservatory as well meaning that it will get hotter in the summer and colder in the winter. Looks-wise, most people can’t tell the difference between a polycarbonate conservatory roof and a double-glazed conservatory roof.

    Classic tiled conservatory roof

    More and more homeowners are investing in new tiled roofs to put on top of their existing conservatory so why not choose a classic tiled roof from the start?

    There are a number of distinct advantages to have a tiled roof for your conservatory, including:

  • superior insulation to double-glazed and polycarbonate roofs: it is easier to get the temperature inside your conservatory just as you want it
  • you can add as many rooflights as possible to let in as much daylight as you like
  • much better at insulating noise from the outside condensation is rarely a problem
  • lots of other personalisation options are available
  • The length of time it takes to install your conservatory increases greatly with a classic tiled roof and your installer may have to sub-contract to a trained roofer on more complex installations, further adding to the cost.

    System tiled conservatory roof

    Guardian conservatory roofs and Supalite conservatory roofs are pre-assembled in the factory before being shipped out for delivery to your installer at your home. Your installer sends in the dimensions of your conservatory and, although it’s not quite as simple as this, they essentially drop the roof onto the top of your new conservatory and then they fasten it on tightly. System tiled conservatory roofs offer virtually identical benefits to classic tiled roof but for many homeowners who are either getting a new conservatory installed or their existing roof replaced, there are a few important advantages:

  • installation takes place in a fraction of the time of a classic tiled roof
  • system tiled conservatory roofs tend to be much lighter than classic tiled roofs
  • you can specify in great detail how you want both the inside and the outside of your roof to look – particularly important when it comes to matching against brick and house roof colours, styles, and hues.
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    Useful Information

    Low Cost £15,700
    Typical Cost £13,800
    High Cost £50,000

    Average Cost based on 3X3 size
    cost per m2

    Prices will vary depending on your region and the design choices you make. Get in touch with local professionals for a FREE estimate on the cost to build a conservatory.