Our Services

 Denval Co Ltd specialises in a wide range of Aluminium and window products ranging from Curtain Walling to Structural Glazing, windows, roof glazing, screens and doors.


Our teams experience, commitment and technical ability allows us to produce items of a superior quality.


We pride ourselves in ensuring a quick, accurate response from the enquiry stage to quote stage. Our in house Computer Aided Design team allows us to produce accurate and detailed designs to speed up the response times.


Guardian House features a modern factory boasting the latest fabrication machinery including CNC machinery to ensure only the finest items are produced.


Our factory employees are highly trained to guarantee set deadlines for fabrications.


Our site installers are also highly trained in use of different machinery including lifting equipment, cherry pickers and hand held tools to name but a few. 


At Denval we pride ourselves in sourcing only the finest materials for use in fabrication and because of this you can be assured that our products are unsurpassed.


All our timber for our hybrid windows comes from sustainable sources, something we at Denval take great satisfaction in as it helps us work towards saving the environment.


If you require us to use a specific system we will endeavour to fulfil your wishes to the best of our abilities.



What we do

Commercial Aluminium Windows and Doors


Aluminium or hybrid composite curtain wall


Parallel ventilation systems


Structural and patent roof glazing




Structural glazing with frame less ventilation


Ground floor entrance screens and shop fronts


Manual and automatic swing or bi-part entrances


Rain screen cladding


In house bespoke pressed metal fabrication



Denval Co Limited

Guardian House

Capital Business Park





Tel: 02920 360576


ISO 9001

Green Dragon

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© Denval Co Limited 2016