James Development Co. Ltd ~ est. 1959

About Us

James Development Co. Ltd. is a family-owned property developer with roots dating back to 1959. Evolving from the renowned AJ Cooper Builders Ltd, we continue a tradition of quality that still defines “Cooper-built” homes today. We specialise in crafting elegant family homes and delivering large-scale commercial, healthcare and retail projects with care, integrity, and attention to detail. Our goal is to create spaces that are timeless, in quality and design.

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3397+

New Homes Constructed

108+

Development Sites Completed

66+

Years of Development Experience

We are currently seeking land in East Anglia and North / East London.

Land Aquisition

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Lavender Mills

Phase 1 Launching January 2026

29 open market homes comprising 23 two-bedroom bungalows and 6 three- bedroom bungalows.

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Current Developments

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  • “From the moment we first viewed the property to the day we moved in, the whole process was seamless.”

    -Customer

  • “We were looking for a quiet, well-built bungalow in a nice community, and we found just that.”

    -Customer

  • “We wanted to downsize but didn’t want to compromise on quality. Plus the garden is just the right size to enjoy without being too much work.”

    -Customer