Double and Triple Glazed Windows

We offer windows in 5 styles and 3 materials, in addition to our bespoke design option (for those wanting to fit a window in an unusual building). We build for comfortable temperatures, great security and strong noise cancellation.

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    Live comfortably while saving money

    The price of windows should not be considered alone. Every style and material offers differing levels of heat retention – meaning that the right choice could go on saving you money far into the future. Our highest-rated double and triple glazing products really are the highest rated: there’s no higher grade on the WER (Window Energy Rating).

    We’ve achieved this via a number of top-range technologies and features including multi-chambered window profiles, argon-filled inter-pane areas, low-e glass, specially treated to reflect heat back into a room, and the newly patented Warm Edge Spacer Bar.

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    Replacement window installation for large home
    Flush sash heritage style windows in grey

    Sleep safe and sound

    Being burglar-proof is a must for any reputable window company – because it’s a must for every customer.  We’re proud to say we’re part of Secured by Design, the home-security initiative developed by the British Police Force, which supplies designers with the latest and greatest ideas in crime prevention for double and triple glazed windows.

    Building products to these specifications makes a big difference. In a recent study conducted in Nottingham, Secured by Design standards affected a decline in break-ins of nearly 50%.

    You may live in a low-crime area – but it never hurts to build the best as standard. Those with additional concerns can explore our range of locking mechanisms and find out what other specifications influence security.

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    Keep your quiet nights quiet

    The same high standards which will keep your home warm and safe will also keep it quiet. In part, noise cancellation is a bi-product of good heat retention. Warm Edge Spacers Bars, multi-chambered profiles and argon-filled inter-panes all dampen noise in both our double and triple glazed windows.

    The other half of the equation is good workmanship: how snugly seals, panes and frames are fitted. Installers who aren’t skilled and experienced may make mistakes during installation or while pre-measuring, both leading to gaps through which heat and noise may pass. We, on the other hand, have 45 years’ experience of building a great reputation by hiring and training the best people.

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    Replacement windows in a traditional inspired kitchen
    Bespoke grey aluminium windows

    Double or triple glazed windows?

    Both double and triple glazing provide additional home security, enhance energy efficiency and reduce noise pollution. But which is best for your home’s replacement windows?

    Double glazing is made from two high-performance panes of glass with a layer of argon gas between that is sealed with a warm edge spacer bar. Triple glazing incorporates an additional panel of glass with two argon gas filled layers, meaning it’s up to five times more effective than single glazed windows.

    All of our windows are A-rated for their thermal efficiency, meaning they will keep the cold from entering your home. So, choosing between double and triple glazing really depends on your home’s needs. The utilisation of modern manufacturing in our high-quality double glazing provides a comfortable temperature for your home all year round. Our triple glazing boasts the lowest u-value of any glazing type, offering unparalleled levels of noise reduction, making it ideal for homes in particularly busy areas.

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    Areas we serve






    Eco-conscious double glazing in Suffolk

    From Ipswich to Lowestoft and Bury St Edmunds to Felixstowe, this historic East Anglian county is bursting with exciting architectural promise. Suffolk borders Norfolk to the north, Cambridgeshire to the west and Essex to the south, with the vast North Sea to the east. Offering a real fusion of urban and picturesque towns and villages, we supply a wide range of window types here; from uPVC wood effect sash windows to double-glazed timber casement windows – we have a window style to complement all Suffolk homes. From new builds to properties located in conservation areas, our bespoke range of double, triple and secondary glazed windows truly allow Suffolk homeowners to be as daring as they like!

    Traditional and modern double glazing in Oxfordshire

    From Oxford to Banbury and Bicester to Abingdon, with the River Thames to the south, the Cotswolds to the west, the Chilterns to the east and the Midlands to the north Oxfordshire provides the ideal combination of contemporary houses and flats side by side a plethora of stunning heritage architecture. Our heritage inspired vertical sliding sash window range are the perfect option for homes looking to preserve and enhance their aesthetics, whilst our traditional flush sash windows offer a functional option for versatile modern living spaces.

    Bespoke double glazing in Buckinghamshire

    From Buckingham to Aylesbury and High Wycombe to Chesham, Buckinghamshire is packed full of charming ‘chocolate box’ villages that are within easy reach of London. With some of the prettiest towns and villages the UK has to offer, quaint cottages and opulent country houses appreciate the likes of our conservation-friendly, timber look windows and our double-glazed wooden bay windows. Whereas modern Buckinghamshire homes enjoy the complimentary features that our coloured uPVC and aluminium window ranges provide.

    Heritage double glazed windows for Hertfordshire homes

    From Watford to Hemel Hempstead and Stevenage to St. Albans, Hertfordshire is a medieval country with deep-set agricultural roots. With a high volume of intact medieval and Tudor-era buildings, multiple casement windows, transom windows, diamond leaded glass panel effects and bay windows for period homes are highly fashionable in this region. Conservation grade uPVC windows and traditional sliding sash windows are also popular with the many homes that fall within Hertfordshire conservation areas, especially St Albans which boasts many elegant listed Georgian townhouses.

    Upgrade to double glazing in Essex

    From Southend-on-Sea to Colchester and Chelmsford to Basildon, with such a wide range of architectural property eras lining the streets of Essex we’re experiencing a noticeable increase of enquiries interested in upgrading their double glazing to triple glazing. Virtually paying for itself through its exceptional heat-loss repelling qualities, more and more Essex homeowners are looking to actively reduce their CO2 emissions whilst saving money on energy bills by proactively installing triple glazed windows. A true county of contrasts, with over 14,000 listed buildings our double glazed heritage uPVC sash windows and double glazed bespoke windows reign supreme here.

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    Buying a product through SEH BAC offers you real peace of mind

    Customer promise

    We have gained the knowledge and experience to provide you with exactly what you need. Our staff are expertly trained to guide and advise you. We offer you a 10 Year Guarantee.

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    Our Accreditations

    BSI ISO 9001:2015
    BS 7412
    Celebrating 45 Years of trading
    Glass and Glazing Federation
    Trading Standards Institute Approved
    The Glazing Arbitration Scheme
    NHIC 2018 Winner
    Which? Ultra Installer
    The Master Window & Conservatory installers association
    QA National Warranties
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    Triple glazing offer

    Free upgrade to triple glazing on standard uPVC windows. Until 11:59pm Sunday 30/06/19.

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