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Working on such a wide range of project types enables us to provide all elements of 1st & 2nd fix carpentry and joinery. Below is a short list of the most popular genres of joinery but with our management's background we will set our hand to any joinery task and work with our clients to make it happen.


Our range in specialities and bespoke services has allowed us to be a part of many different types of successful projects including; new build labs, schools, hospitals, hotels, grade 1 & 2 listed refurbishments, structural timber frame extensions, new build high end residential, high rise housing association, high rise private residential and commercial office space.


DPT are involved in a wide range of projects, and are fortunate to have consistently healthy relationships with our clients. Although we are company who hold very traditional values when it comes to both relationships with clients and production, the continued expansion and modernisation of our business is allowing us to accommodate all types of projects which come our way.



DPT Ltd has established itself as one of the market leaders in Carpentry & Joinery Contracting in and around London and the Home Counties. We undertake a wide range of work from a selection of Blue Chip Contractors and Designers. The company was formed in 2005 by Denis Treacy as a result of the continued success and development of DP Treacy Carpentry. It comprises of three directors with Denis Treacy as Managing Director and two other directors, Andrew Giles and Betty Treacy. 


At DPT we commit to a pro-active approach of management in all sizes of projects. Every project undertaken is backed up by a professional team who work in a non-confrontational and personal style to achieve complete client satisfaction. 


We source quality carpenters & joiners to suit the project requirements, all of which are CSCS registered. All our site operatives are trained in Health & Safety and in our internal quality requirements. Each operative is individually responsible for the quality of his/her work and is closely managed by our supervisory team throughout any project.


​We work closely with all our suppliers to ensure quality and deliveries are monitored and managed to the highest standard, visiting factories and workshops personally to ensure they are able to reach our expectations. 

We are proudly FSC® certified (FSC® C007915) & PEFC certified and audited.


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Unit 11, Chancery Gate Business Centre,

St Mary's Rd, Langley, Berkshire, SL3 7FL

Tel: 0208 903 9561

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