Glass Extension Credit: Darren Chung/Mainstream Images

Major Projects Advice On Building Glass Extensions

Email this page

Contents:

Date Published:
28/05/2008

Designing For Comfort

Heating And Cooling

So how do you stay warm inside your new glazed space? It's not just a question of wearing more layers, you know; the Conservation of Fuel and Power building regulations (part L) sets out some stringent rules that you must meet on thermal efficiency, which apply to extensions as well as new buildings.

With this in mind, companies specialising in glass extensions take measures to reduce heat loss. For example, the glass used should be coated with a metal oxide that allows heat and light to pass through, while stopping heat from leaving; and, naturally, the more layers of glazing the better. As always, and especially if you have a large glazed space in your home, you should consider investing in underfloor heating, or trench radiators that lie flush to the floor.

Of course, it's just as important to keep the space cool in summer, otherwise you'll overheat inside your own mini Eden Project. The more greenery you have surrounding the structure, the more shade it will get, but if you go too far, you'll stop the sun from getting through altogether, so be considerate with your landscaping plans. More practical options include fitting blinds.

Glass extension specialist GlasSpace supplies a blind system that fits in between the glazed panels, or you can get a special window film that reflects the sun's heat and UV penetration (go to www.abodewindowfilms.co.uk). Structural solutions include overhanging roofs that will look super-cool and provide a nice bit of shading, and you should consider installing air conditioning, too (go to www.air-conditioning-company.co.uk.

Glass Extension

Photo: David Churchill/Arcaid.co.uk

This all-in-one living area at the back of a period house, designed by dMFK Architects, makes the most of the picturesque outlook onto the south-facing garden. They replaced the back wall with folding glazed doors, and a side wall made way for a glazed side return where the kitchen is now situated. Both additions maximise light, plus the project fell under permitted development rights, so no planning permission was needed.

Choosing Flooring

In most cases, a glass extension opens up into the garden, which means you need to go for hard-wearing, low-maintenance (in terms of cleaning) flooring to deal with those soil-sodden shoes tramping in and out... and in... then out again. Hard flooring such as slate, concrete, stone and limestone will all look slick and natural, and particularly if you lay the same (or similar) stone outside on the patio area.

Glass Extension

Photo: Ray Main/Mainstream Images

This rear extension to a period property may look slightly more conventional, but it’s the perfect solution for smaller gardens. The aluminium-framed doors fold right back, opening up the living space to the garden and, because it's covered in decking as opposed to grass, it's super-easy to bring the furniture outside. You can buy similar doors from Sunfold Systems (see www.sunfoldsystems.co.uk).

Furnishings

If your extension opens out into the garden, you should consider buying furniture that can be taken outside for those summer days when you fancy lunch on the patio, through to those warm evenings when you want to take your dinner party on to the terrace.

More and more furniture is now weather-proofed to allow for this dual use; Pangea Home does a great selection. In terms of colour schemes, make the most of all that increased natural light by sticking to pale shades - but do double-check how well it will deal with fading before you buy.

Need Expert Help?

Find a trusted extension specialist in your area using MyBuilder.

Your Comments

Post your comment

Please note: In order to post a comment you need to be registered and logged in to Channel 4:

Sign In Here or Register Here

Comments closed

Comments are closed at the present time

Your comments

Post your comment
By posting on this website you are agreeing to abide by our Comments Policy.
Mandatory Fields are marked with *
Your Comment (Maximum characters: 4000) *
You have

Comments

Thank you for your comment!

Your message will be reviewed and the best ones will be published below.

If you intended to make an official comment to Channel 4 please contact us.

Comments

  1. We live in a 3 storey Victorian terrace with obligatory 2 storey kitchen and bathroom extension on the back (north west facing). What remins of the yards between our house and the neighbours have been rooofed over to create 2 scruffy garages with plastic roofs. Both our kitchens and dining rooms have windows into these roofed areas (these are the only windows for these rooms). We and our neighbours want to replace the current with something nicer, although the husbands still wants to keep bins and bikes in the 'garages' rather than use them as livig space. I want to improve the light quality to the kitchen and dining rooms, and next door are wondering whether a clear roof terrace is possible! Lots to think about and we don't know where to start. Ideas most welcome, thank you
    Posted by Jill on 05/06/2009 17:47:07
    Offensive? Unsuitable? Report this comment
  2. would like to be considered for the home show. live in an original 3 bed semi and have extended but my 40th birthday is just around the corner and we need to get some privacy from our 3 kids. the attic seems ideal but i'm not moving up there with spiders.
    Posted by j dolby on 19/03/2009 22:34:04
    Offensive? Unsuitable? Report this comment
  3. HI KEV. You might find this article useful: http://www.abbuilding.co.uk/article.htm along with our own http://www.channel4.com/4homes/diy-self-build/diy-build-advice/major-projects/guide-to-building-with-glass-08-05-28_p_1.html
    Posted by 4homes on 08/08/2008 16:31:55
    Offensive? Unsuitable? Report this comment
  4. I am thinking of linking my house with an adjacent cow byre by means of a glazed atrium. The ground between the two is at difference levels which complicates the issue. The buildings are listed and so great care must be taken in how the glass structure relates to these adjacent buildings. I have a mind to use large timbers to mount the glass on rather than maintaining seamless effect. Can you offer any advice or examples of atrium application etc.
    Posted by Kev Turpin on 07/08/2008 10:35:24
    Offensive? Unsuitable? Report this comment
  5. An inetresting article, but there seems to be some discrepancies with the extensions photographed, and the building regs which require <25% of floor area to be glazed! I'm currently scratching my head trying to deal with 'area-weighted u-values', which my local council requires to be submitted - is there any advice available on calculating this? Note: I've already referred to Part L and it's associated Guidance.
    Posted by P Smith on 06/08/2008 12:00:01
    Offensive? Unsuitable? Report this comment

Advertisement

More on 4Homes

4Homes Property Search

Over 300,000 properties to search, interactive maps, neighbourhood reports and more...

 

e.g. Notting Hill, SW3, Glasgow

Powered by: Nestoria

Advertisement


4Homes

Skip Channel4 main Navigation
Explore Channel4
Food
Homes
Film
4Car
News
See All

Channel 4 © 2009. Channel 4 is not responsible for the content of external websites.