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FREQUENTLY ASKED QUESTIONS 

We understand that you may have many questions regarding a conservatory of windows installation project. Here are a few we have put together, if you still have concerns or need help with any queries to help you make the best decisions for your property, feel free to contact us. 
A. Under new regulations that came into effect from 1st October 2008 adding a conservatory to your house is considered to be permitted development, not needing an application for planning permission, subject to the limits and conditions listed below: 
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 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: the permitted development allowances described here apply to houses not flats, maisonettes or other buildings. 
 
Where work is proposed to a listed building, listed building consent may be required. 
*The term “original house” means the house as it was first built or as it stood on 1st July 1948(if it was built before that date).Although you may not have built an extension to the house, a previous owner may have done so. 
 
*Designated land includes national parks and the Broads, Areas of Outstanding Natural Beauty, conservation areas and World Heritage Sites. 
A. All installations are fitted by our own employed fitting teams. Dust sheets are used throughout the area of the installation. 
 
Windows are checked for size before the old product is taken out. After the new product is fitted the fitter will show you how the handles, easy clean/egress hinges (if applicable) and how night vents work. 
 
Our Operations Manager will be available to answer any questions you may have during the installation. 
A. PVCu products have a very low maintenance requirement. 
 
For the frames just simply wipe down with product cleaner (available to purchase) or a mild liquid detergent would do if you have run out of product cleaner. 
 
To keep hinges, handles and locking mechanisms operating smoothly, lightly lubricate with a silicone based lubricant. 
A. Dimplex electric heaters are now the most commonest way of heating your conservatory. Wall mounted, slimline in design and programmable for an easy, effective source of heating. 
 
Underfloor heating, in our opinion, is by far the best way to heat a conservatory. Fully thermo stated for total control this method heats the conservatory evenly and quickly. 
 
Radiators can be used but planning permission may be required. 
A. All frames are internally beaded so the sealed units can not be removed from the outside. 
 
All handles are key locking handles. 
 
Night vents can be locked open giving ventilation with security. 
 
Espagnolette locking as standard, increased security locking mechanisms are available. 
 
Hinges are available for fire escape and child safety. 
A. All window companies are required to offer a guarantee for any FENSA regulated work, but at MC Glass we always issue a Ten Year Insurance Backed Guarantee along with the FENSA certificate. 
 
When an installation is carried out which is not FENSA regulated we give our own guarantee ranging from one year to ten years, the length depends on the product purchased. 
As from July 2002 all new and replacement windows and doors are regulated either by either FENSA or your local council. 
 
FENSA is a governing body that means most window companies would join and then do what they call self certify their installations each time one is carried out. 
 
As a member of FENSA each company is subject to inspections throughout the year to be sure that they are fitted correctly within the FENSA remit. 
 
The glass that we all should be fitting is called a low emissions glass (low ‘E’). This is to reduce the carbon emissions from your property, thus helping to reduce the effect on the O Zone. 
 
We are also checked to make sure that safety glass is fitted where required by law. 
 
There are other FENSA regulations that we must adhere to such as size of opening, fire escapes and ventilation. 

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