Distinctive and authentic, ideal for Dorset conservation areas

Our high-quality flush sash windows from the Timeless collection intelligently combine authentic timber window design alongside the outstanding thermal qualities that uPVC offers. Glazed and framed to the highest levels of efficiency, our flush sash range are also exceptionally secure and very low maintenance in comparison to their timber counterparts.

Seamlessly bridging the gap between standard uPVC and luxury timber window offerings, whether your home is new or old it will become warmer and cheaper whilst still retaining its enviable charm with a Premier Windows flush sash window installation.

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  • Security
  • Energy Efficiency
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  • Security

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    Secure peace of mind

    Offering peace of mind at all times, our flush sash windows offer exceptional security features. These include secure key locking handles, combined with a proactive multi-chamber constructed frames that provide remarkable structural strength. Complete with BS kitemark, BBA, BS7950 & PAS 023/024 accreditation for security, whilst being able to take advantage of tough triple glazing too.


    Energy Efficiency

    Efficient flush sash windows with double glazing that could help you save up to £105 per year

    Energy efficiency features

    Window heat loss can account for up to 30% of total heat loss within Dorset homes. Our flush sash windows boast energy saving ‘A’ ratings, a maximum U-Value of 1.3 W/m² whilst offering severe wind & water resistance; passing the BS6375 test. To ensure that we achieve the highest possible window energy ratings, we also include EcoClear® as standard within all our double-glazed units; minimising heat loss and reducing heating bills further.

    *When upgrading a typical single-glazed, gas-heated home to A+ rated double glazing. Savings are per year and are rounded to the nearest £5. Statistics provided by Energy Saving Trust



    Timber look uPVC window

    Authentic period design

    Our flush sash windows offer a superb conservation timber alternative to Dorset homeowners looking for accurate, effortless design.

    Chartwell green colour upvc flush sash windows - a close up

    Seasoned handcrafted feel

    Accommodating all kinds of properties, the classic sash fits perfectly flush into the frame which provides an authentic and ultra-sleek design.

    uPVC windows installed onto a cottage

    History without the hassle

    These fantastic flush sash windows ideally echo acclaimed traditional timber construction with the desirable low maintenance benefits of uPVC.

    Installation of Bi Fold doors

    "Fabulous work carried out to the finest standard from start to finish"

    Checkatrade Review - 12 April 2019

    Replacement Windows and Doors

    "Very good company, polite and courteous. Good quality work at reasonable price. Very pleased will be using them again. "

    Checkatrade Review - 10 January 2019

    New front-door and Sash window

    "Really pleased with the end result."

    Checkatrade Review - 20 March 2019

    New windows and doors

    "A very professional service carried out to a high standard. Nothing was too much trouble for them. I wouldn't hesitate to recommend this company."

    Checkatrade Review - July 2019

    New Bi Fold Door

    "Outstanding work from Nathan and his team and especially Darren, Thomas and Phil the plasterer. Everything from start to finish was completed to an impeccable standard. I am so pleased with these doors. I highly recommend Premier Windows. Top Job. Thank you so much."

    Checkatrade Review - 10 April 2019

    New Front Door

    "Quality product, fitted expertly by Ian the fitter. "

    Checkatrade Review - 6 April 2019

    2 new doors, Patio doors & window

    "Nathan was passionate about his company, giving us confidence to use him. Workers, very clean and efficient, pleased with finished result."

    Checkatrade Review - 19 March 2019

    Replacement Front Door

    "Nathan made me feel like a valued customer with his old fashioned courtesy and attention to detail. The new door and workmanship are of the highest quality and standard and the job was done without leaving a trace of mess. I have nothing but praise and strongly recommend Premier Windows."

    Checkatrade Review - 24 January 2019

    New front door supplied and fitted

    "Fitters arrived on time and did a very good job. They were quietly efficient and ensured I knew everything I needed to know about operating and maintaining the door. The area in which they had been working was left clean and tidy. These two young men behaved professionally and are a credit to Premier Windows. "

    Checkatrade Review - 23 January 2019

    UPVC conservatory with bifold door and skylight.

    Based on customers reviews, our average score is 10/10





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    Showroom coming soon!

    Our Showroom isn't quite finished yet, so please get in touch if you require further information on our products.

    Contact us

    Installing windows, doors & conservatories in the surrounding areas of Weymouth, Portland, Dorchester, Bridport, Beaminster, Swanage, Poole, Bournemouth & Yeovil.

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