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Ashleigh House
John F Kennedy Road, Dublin 12
Republic of Ireland


Tel: 00(353)16208135

Project: Single storey rear extension in Chapelizod, Dublin 20.     Date: April 2016 to March 2017      Job Description: Design, Project Management, certification

Single storey rear dwelling extension in Chapelizod, Dublin 20

The Brief

CK Architecture was contacted to extend a semi-detached 2-storey 3 bedrooms dwelling built during the 1980s in Chapelizod, Dublin 20. The clients were interested with a modern design to accommodate a large open plan at ground floor and possibly photovoltaic solar panels. They were willing to extend without planning permission. New windows and external doors were also required throughout the dwelling. The rear garden had a gross area of approximately 121 square metres. The site has a gross area of approximately 287 square metres. The existing ground floor had a gross area of approximately 62 square metres, non including a domestic garage with a floor area of approximately 15 square metres. The rear garden is orientated East. The garden level is rising at rear causing additional ground works requirements.

The Project

The rear garden offered diverse solutions to provide the required open plan. Working with the clients, we proposed a selection of ideas with different shapes for the proposed extension. The roof had to be flat due to first floor windows which were obstructive for the creation of a pitch roof. The clients opted for a double rear facade in order to maximise Southern Sunlight within the rear of the dwelling. 2 roof windows also provide for the same on the fibre glass flat roof. We advised the clients to contact the adjacent neighbours in order to obtain written consent for the removal of an existing boundary wall. The clients selected Rationel Windows and Kube Kitchens for the project. The clients also required new floor finishing and internal doors at ground floor. The extension has a gross floor area of approximately 23 square metres. Photovoltaic solar panels were omitted due to budget concerns. The survey and design works started in April 2016. The tender was organised in July 2016.


  Dwelling extension in Chapelizod, Dublin 20

House extension in Chapelizod, Dublin 20



The Construction

Construction works started in October 2016. CK Architecture prepared all the design for compliance with building regulations and planning exemption. We were appointed to inspect the construction works and confirm compliance at different stages. CK Architecture was also appointed as the PSDP for the project, while the contractor was appointed as the PSCS in compliance with the "Safety, Health and Welfare at Work (Construction) Regulations 2013". Delays occurred due to an order mistake from Rationel Windows which delivered a door with an incorrect opening. The clients also requested modifications to the design and additional works. The modification consisted in the enlargement of opening within the rear facade. The additional works consisted in the insulation and refurbishment of an existing flat roof. The walls were built with a fully filled cavity. Works were halted during the festive period. Construction works were completed in March 2017.


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