Durajoin is a leading supplier of aluminium windows and doors in London. We manufacture aluminium windows in our fabrication unit in Hitchin (Hertfordshire) under strict quality criteria to offer premium products at affordable prices. Our aluminium window and door profiles are sourced from reputable brands such as Cortizo, SMART Systems, Alunet, AluK, and Schüco.

We offer a variety of aluminium windows including casement, flush casement, tilt and turn, and sash windows. In addition, we provide made-to-measure aluminium French doors, aluminium sliding doors, aluminium bifold doors and crittall style doors, which are popular for internal use. Our heritage windows and doors series offer slim aluminium profiles for internal doors, available in bifold, sliding, and French opening options. You can select Durajoin's aluminium doors and windows in standard colours such as black, white, anthracite grey, or customize them with over 200 RAL colours to match your interior. We offer single-colour or dual-colour options. All our aluminium windows and doors are powder-coated.

To expand our offerings, we now provide uPVC options manufactured in our London factory. uPVC windows are known for their affordability and energy efficiency. Our uPVC windows and doors come in double glazing and triple options, including casement, flush, sash windows, and French doors, all available at affordable prices and made to measure to fit your home's specifications.

We also offer a premium range of front doors including composite, aluminium, and uPVC options. Our front doors are available in various styles and over 200 RAL colours.

Customers have the choice of 'supply only' or 'supply and fit' for both uPVC and aluminium windows and doors. We offer double glazing windows service available across London, Hertfordshire, Buckinghamshire and Surrey.

Product: Casement windows, Flush windows, Tilt and turn windows, Sash windows, Bay windows, Sliding patio doors, French doors, Bifold doors, Front doors, Single back doors, Roof lights, Skylights, Roof Lantern, Garage Doors.

Area we cover in Hertfordshire: Abbots Langley, Ashwell, Baldock, Barnet, Berkhamsted, Bishop's Stortford, Borehamwood, Broxbourne, Buntingford, Bushey, Cheshunt, Chorleywood, Cuffley, Elstree, Harpenden, Hatfield, Hemel Hempstead, Hertford, Hertingfordbury, Hitchin, Hoddesdon, Kimpton, King's Langley, Knebworth, Letchworth, Little Hadham, London Colney, Markyate, Much Hadham, New Barnet, Northaw, Potters Bar, Radlett, Redbourn, Rickmansworth, Royston, Sawbridgeworth, St. Albans, Stevenage, Tring, Waltham Cross, Ware, Watford, Welham Green, Welwyn Garden City, Welwyn, Wheathampstead, Whitwell, Wormley

Area we cover in Buckinghamshire: Amersham, Aylesbury, Beaconsfield, Bletchley, Buckingham, Burnham, Chesham, Gerrards Cross, High Wycombe, Ivinghoe, Marlow, Milton Keynes, Newport Pagnell, Olney, Princes Risborough, Wendover, Winslow, Wolverton

Boroughs we cover in London: Ealing, Hammersmith and Fulham, Harrow, Hillingdon, Hounslow, Kensington and Chelsea, Richmond upon Thames, East London, Barking and Dagenham, City of London, Hackney, Havering, Newham, Redbridge, Tower Hamlets, Waltham Forest, South London, Bexley, Bromley, Croydon, Greenwich, Kingston upon Thames, Lambeth, Lewisham, Merton, Southwark, Sutton, East London, Barnet, Brent, Camden, Enfield, Haringey, Islington