Sustainably Developing


Benkoski is a family run business, with a passion for property development. Over the years we have sourced high quality products that meet the needs of good design, affordability, durability, energy efficiency whilst maintaining our ethos of being sustainable.  We specialise in Scandinavian building materials through our network of trusted suppliers.


Benkoski specialise in timber products, with a a range of timber windows, timber and composite doors, timber cladding and bulk sustainable timber for larger projects.


Benkoski are also available to document your project with the use high quality photography and use of a high definition camera drone.  We will then convert it into a stylish video for you to share your building renovation with social media or just for friends as you wish.


You will be given a personal service to enable you to choose the perfect product for your design specification.

Since 2000

Benkoski are authorized distributors for Rationel windows and doors. Having worked with Rationel for over a decade, Benkoski have a detailed knowledge and understanding of the products they offer and can advise to suit your project!


Good, solid, quality workmanship has characterised Rationel’s windows and doors since the first products were shipped in 1954. Based on this sound foundation, Rationel is today an international company with sales offices in Great Britain, Ireland and Denmark.


Rationel manufactures energy saving windows and doors of premium quality in terms of both comfort and security. Their continuous programmme of research and development ensures that the company always meets current statutory requirements as well as market requirements for design and functionality.


With a choice of Traditional or Contemporary designs and a limitless range of Door options, Rationel are sure to be able to meet your design requirements.


Rationel can provide: • patio doors • triple glazing

• timber windows • windows and doors • sliding patio doors • secured by design • triple glazed windows

• sliding glass doors • tilt and turn windows • patio door • entrance doors • doors and windows • composite windows • garden doors • triple glazing windows • window installation • triple glazed patio doors • door installation • aluminium windows • triple glazed doors • triple glazed sliding doors • composite doors and windows • triple glazed doors


Register your interest to find out more!




Click the links below to find out more about Rationel's products!




To receive a quote, please register you interest by filling out the form below.


Please provide the measurements of the windows that you wish to install and the range/ranges that you are interested in.


Alternatively you can email plans/window schedule straight to BenkoskiPropertySolutions@Gmail.com


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Sustainable Development