architect in Welwyn

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John O'Conner (GM) Ltd is a respected market leader in public sector grounds maintenance operating a large portfolio of prestigious partnership contracts with local authorities, housing associati…

Hertfordshire Architects Ltd (HAL) is a local architects' covering Welwyn Garden City, Stevenage, Royston & St Albans.

We cover projects over a wide geographical area including London, the northern home counties and into East Anglia and East Midlands