Find out more information, get useful advice and view a range of double glazed uPVC window styles in a selection of designs.
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UK Wide Trusted Installer Network
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E - East London, EC - City of London, HA - Harrow, N - North London, NW - North West London, SE - South East London, SW - South West London, W - West End, London, WC - West Central London
AL - St. Albans, CB - Cambridge, CM - Chelmsford, CO - Colchester, EN - Enfield, HP - Hemel Hempstead, IG - Ilford and Barking, IP - Ipswich, LU - Luton, MK - Milton Keynes, NR - Norwich, PE - Peterborough, RM - Romford, SG - Stevenage, SS - Southend-on-Sea, WD - Watford
South East England
BN - Brighton, BR - Bromley, CR - Croydon, CT - Canterbury, DA - Dartford, GU - Guildford, KT - Kingston-upon-Thames, ME - Medway, OX - Oxford, RG - Reading, RH - Redhill, SL - Slough, SM - Sutton, SO - Southampton, PO - Portsmouth, TN - Tonbridge, TW - Twickenham, UB - Uxbridge
South West England
BA - Bath, BH - Bournemouth, BS - Bristol, DT - Dorchester, EX - Exeter, GL - Gloucester, HR - Hereford, PL - Plymouth, SN - Swindon, SP - Salisbury, TA - Taunton, TQ - Torquay, TR - Truro, WR - Worcester
DE - Derby, DN - Doncaster, LE - Leicester, LN - Lincoln, NG - Nottingham, NN - Northhampton
B - Birmingham, CV - Coventry, DY - Dudley, ST - Stoke-on-Trent, SY - Shrewsbury, TF - Telford, WS - Walsall, WV - Wolverhampton
North East England
DH - Durham, DL - Darlington, DN - Doncaster, HD - Huddersfield, HG - Harrogate, HU - Hull, NE - Newcastle, S - Sheffield, SR - Sunderland, TS - Teesside
North West England
BB - Blackburn, BD - Bradford, BL - Bolton, CA - Carlisle, CH - Chester, CW - Crewe, FY - Blackpool, HG - Harrogate, HX - Halifax, L - Liverpool, LS - Leeds, LA - Lancaster, M - Manchester, OL - Oldham, PR - Preston, S - Sheffield, SK - Stockport, WA - Warrington, WF - Wakefield, WN - Wigan, YO - York
AB - Aberdeen, DD - Dundee, DG - Dumfries and Galloway, EH - Edinburgh, FK - Falkirk, G - Glasgow, IV - Inverness, KA - Kilmarnock, KW - Kirkwall, KY - Kirkcaldy, ML - Motherwell, PA - Paisley, PH - Perth, TD - Galashiels
BT1-17 - Belfast, BT18 - Holywood, BT19-20 - Bangor, BT21 - Donaghadee, BT22-23 - Newtownards, BT24 - Ballynahinch, BT25 - Dromore, BT26 - Hillsborough, BT27-28 - Lisburn, BT29 - Crumlin, BT29 - Belfast, BT30 - Downpatrick, BT31 - Castlewellan, BT32 - Banbridge, BT33 - Newcastle, BT34-35 - Newry, BT36-37 - Newtownabbey, BT38 - Carrickfergus, BT39 - Ballyclare, BT40 - Larne, BT41 - Antrim, BT42-44 - Ballymena, BT45 - Magherafelt, BT46 - Maghera, BT47-48 - Londonderry, BT49 - Limavady, BT51-52 - Coleraine, BT53 - Ballymoney, BT54 - Ballycastle, BT55 - Portstewart, BT56 - Portrush, BT57 - Bushmills, BT58 - Newtownabbey, BT60-61 - Armagh, BT62-67 - Craigavon, BT68 - Caledon, BT69 - Aughnacloy, BT70-71 - Dungannon, BT74 - Enniskillen, BT75 - Fivemiletown, BT76 - Clogher, BT77 - Augher, BT78-79 - Omagh, BT80 - Cookstown, BT81 - Castlederg, BT82 - Strabane, BT92-94 - Enniskillen
Frequently Asked Questions
Can I Choose Custom Glass?
You can choose from a wide range of custom glass. Your double glazing installer will offer you a choice of glass types and glazing designs so you can choose custom glass for your windows, doors or conservatory.
How Much Do Double Glazed Sash Windows Cost?
UPVC sash window prices will vary according to glazing style, your choice of locks and even your chosen colours and finishes. You can get an average sash windows cost using our window cost calculator.
Replacement Sash Windows In A Conservation Area
If your home is a listed property or within a conservation area then you will need to seek planning permission.
Why Should I Choose a UPVC Sash Window?
UPVC sash windows are incredibly attractive and make a stunning addition to any property and are relatively low maintenance thank to their UPVC design. You can enjoy a traditional aesthetic for many years to come thanks to their long standing properties.
Are UPVC Sash Windows Easy To Use?
UPVC sash windows are very easy to use. Their spiral balance mechanism allows for smooth operation so you can open and close your windows with ease. UPVC sash windows are also incredibly low maintenance and require very little cleaning.
How do UPVC Sash Windows Work?
UPVC vertical sliding sash windows are built to either slide vertically downwards or upwards. This opening function makes the UPVC sash window much easier to use compared to traditional wooden windows where the only choice is double hung and single hand.
How Much Do French casement windows cost?
The cost of French casement windows will vary depending on installer but you can get an average casement windows cost using our free online quoting engine
How Does The Tilt and Turn Window Mechanism Work?
The tilt and turn window can be ‘tilted’ inwards due to its unique turning action which allows the window to be easily accessed from both inside and out. All it takes is a swift turn of the handle.
Where Can I Get A Tilt and Turn Windows Price?
You can get a tilt and turn windows price using our window cost calculator which will give you a free and unique quote within a matter of minutes.
What is a Casement Window?
A casement window is attached to its frame by one or more hinges. A casement window is hinged at the side allowing them to open extremely wide. These windows can double up as emergency exits and are perfect for hard to reach places within the home, with many home owners installing these windows behind their kitchen sinks.
Can I Choose My Casement Window Handles?
Your double glazing installer will offer you a choice casement window handles and casement window hardware options so you can achieve the perfect look.
Are There Different UPVC Casement Window Sizes?
UPVC casement windows come in a wide range of sizes to suit your property. You can specify your casement window size in our window cost calculator to get a unique window price!
What Are Flush Casement Windows?
Flush casement windows are where the unit sits flush to the frame, creating a super sleek look.
Will I Have A Choice of Casement Window Locks?
A high security lock will be fitted as standard with your new casement window but your double glazing installer will also offer a choice of security upgrades.
Are There Other UPVC Casement Window Styles?
Other UPVC casement window styles include the French casement window which is a more traditional take on the standard casement style.
Are UPVC Casement Windows Better Than Timber Casement Windows?
UPVC casement windows are more durable and long lasting than timber casement windows and require much less maintenance. UPVC windows are even available in authentic woodgrain finishes so you can now achieve a traditional look.
How Can I Get Casement Window Prices?
You can get instant casement window prices by using our free online quoting engine or you can contact us on: 0800 954 8085 to speak to one of our advisors.
How Long Will It Take To Install My Casement Window?
Because every job is different, it is best your talk to your double glazing installer who will be able to give you an exact timescale.
Why Should I Choose One Of Your Installers?
All installers that operate in affiliation with Double Glazing on the Web are accredited by a recognised industry body such as FENSA or CERTASS. Double Glazing on the Web vet all of our double glazing installers to make sure you receive a professional and efficient quality service.
If I Use Double Glazing on the Web Who Will Fit My Double Glazing?
Double Glazing on the Web have a fully accredited network of local installers. Once you have created your free online quote we will put you in touch with up to three reputable local suppliers. Each of these suppliers will offer you a free no obligation quote and who you choose is completely up to you.
What Colour Options are Available?
There is a wide range of colour options available including both standard and bespoke colours and finishes. Aluminium windows and doors even come available in a RAL colour chart which gives you an infinite choice.
Why Should I Install Double Glazing in My Property?
Double glazing will add much value to your home and it is seen as a standard requirement in modern homes. Double glazing offers lots of benefits including enhanced insulation, energy efficiency, comfort and security as well as looking fantastic.
Do UPVC Windows Need Trickle Vents?
Trickle vents are not a requirement, however they do offer additional ventilation without the need for opening your windows so can be a valued add on.
What Does UPVC Stand For?
UPVC is an abbreviation for unplasticised polyvinyl chloride which is used in window frames.
Do UPVC Windows Look Cheap?
UPVC windows do not look cheap. They can be designed to offer slim sightlines and come in a wide variety of colours and finishes, not just the standard white. Authentic woodgrain finishes are available to achieve more of classic look.
Do UPVC Windows Discolour?
Your UPVC window will never rot, rust, peel or flake due to its long lasting material. An occasional wipe clean is all that is required.
What Are The Benefits of Triple Glazed Windows?
There are many benefits to triple glazing, the most obvious being a warmer home and cheaper energy bills. Designed to give an excellent thermal performance, triple glazed windows ensure cold spots are eliminated. The third layer of glazing also provides enhanced security, especially if the glass is laminated.
Are Triple Glazed Windows Soundproof?
Like double glazing, triple glazed windows are designed to provide excellent sound insulation as well as heat reduction. The third layer of glass adds another insulating layer great noise reduction.
What Are Triple Glazed Windows?
Triple glazed windows are made up of three glass panels instead of two. These panels of glass have double argon filled cavities that provide high insulation. Triple glazed windows are available in a wide variety of styles and colours to suit your home.
Are Double Glazed Windows Good For The Environment?
Once of the best ways of making your home more energy efficient is insulation. Double glazed windows act as another layer of insulation, helping to prevent the loss of valuable heat.
Are Double Glazed Windows Soundproof?
Double glazed windows are built to provide improved sound insulation. Double glazed windows are recommended for homes situated on busy roads or built up areas where external noise can be a problem.
How Much Do Windows Cost?
Window prices will depend on your specifications such as size, style, glass type and security locks. At Double Glazing on The Web you can get an instant window cost online using our online quoting engine. Simply choose your window style and enter your window measurements to receive a unique window price.
What Are Double Glazed Windows?
Double glazed windows feature two panes of glass for better heat insulation and noise reduction. Window frames come in a variety of materials such as UPVC, wood and aluminium. Double glazed windows also come in a choice of styles to suit your home, you can choose from a wide range of window designs which include the casement window, tilt and turn window, sash window, sash horn window and bay window.
What Happens if I Have a Problem with my Windows or Doors?
All of the double glazing installers in our network offer product guarantees. Provided you are still covered by your manufacturer's guarantee, all you need to do is contact the installer in question and they will either repair or replace your windows and doors.
Condensation on Double Glazed Windows
When moisture in the air suddenly cools and condenses on a cold window, you get condensation. Well insulated (Low E) double glazing will help prevent condensation from forming on the interior of your window. Replacement glass units or replacement double glazed windows are recommended for windows with condensation.
How Does Double Glazing Work?
Heat loss is greatly reduced using double glazing. Double glazing features two panes of glass with a layer of trapped air or gas in-between. Air is a poor conductor of heat so much less heat is lost through the window itself.
What is Double Glazing?
Double glazing is where windows have two layers of glass with air tight gap between them to reduce loss of heat as well as provide effective noise insulation.