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dennis hellyar Architects

About Us

Dennis Hellyar Architects is an RIBA Chartered Practice providing Architectural Services in the South Wales and South West Regions. The Founder Dennis Hellyar is an award winning Chartered Architect with over 20 years experience in professional practice, formerly directing teams to deliver major public projects in the South Wales Region. Passionate about Sustainable and Innovative - Architecture and Design and with an unsurpassed enthusiasm for Architecture projects, all clients benefit from Dennis’s personal attention to their project. He personally guides each scheme through the various stages of Feasibility, Client Consultation, Design, Approvals and Construction of the building project. Every project in the office, receives the same rigorous approach utilising State of the Art Virtual Building Modelling software to achieve the optimum design, in response to the brief and budget.

Services Provided

3D Rendering, Accessible Design, Architectural Design, Architectural Drawings, Basement Conversion, Basement Design, Bathroom Design, Building Conservation, Building Design, Drafting, Eco Homes, Floor Plans, Home Renovation, House Extensions, House Plans, House Restoration, Loft Conversion, New Home Build, Passive Houses, Prefab Homes, Project Management, Site Planning, Space Planning, Staircase Design, Sustainable Design, Swimming Pool Construction, Tiny House Building, Utility Room Design, Custom Build Homes, Green Building, Kitchen Renovation, New Home Construction, One Off Houses

Areas Served

Barry, Cardiff, Bristol, Swansea, Portishead, South West, South Wales, Penarth, Newport, Sully, Cowbridge, Vale of Glamorgan, Llantwit Major, St. Mellons, Neath, Neath Port Talbot, Pontypridd, St. Donats, Ogmore, Llanelli, Carmarthen, Bath


ARB, RIBA, RIBA Chartered Practice; RIBA competition Winner for Hereford Butter Market 2012; Welsh Breeam Award winner for Higher Education 2008 and Health 2011 projects; RICS Award Winner for Loudoun Square Regeneration, 2015; LABC Award winner in Social Housing Category (Vale of Glamorgan) 2020

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Unit 15, BSC
Hood Road, The Waterfront
Barry, Vale Of Glamorgan CF62 5QN
United Kingdom
Typical Job Cost £150,000 - £2,500,000
For Private domestic work the projects can be broken down into 3 key stages: 1) RIBA Stage 0-3: Design up to Planning Submission 2) RIBA Stage 4: Technical Design 3) RIBA Stage 5-6: Construction to Handover Typical fees start at 2-3% of Construction Budget ex vat. per stage (Therefore 6-9% for stages 1,2 and 3) Note:These percentages are for guidance only. Each project is quoted for based on complexity and size; Appointment is one stage at a time.
United Kingdom
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