A sunlit conservatory with sliding glass doors leading to an outdoor patio. Inside, there are wicker chairs, a colorful area rug, plants, and decorative pillows. The ceiling is made of glass with a metal frame, and the room has warm wooden accents.
A row of modern brick townhouses with white doors and windows, small porches, and front gardens, under a partly cloudy sky.
A modern residential house with a red tile roof, green and yellow walls, and multiple windows. The house is surrounded by a well-maintained lawn, small trees, and a brick sidewalk. There is a street sign that says "Augustine Place." The sky is clear
Living room with a yellow sofa, colorful pillows, a black coffee table with pink orchids, large wall art with trees, and a tall green plant in the corner. Behind is an open space with a kitchen and a dining area.
A residential area with colorful houses, green lawn, trees, a parked car, and a blue sky with some clouds.
Bright modern kitchen and dining area with large windows and outdoor view, yellow chairs around a wooden table, kitchen island with white stools, potted plants, and decorative butterfly wall art.
Backyard view of a brick house with a red-tiled roof, multiple white-framed windows, a glass door, and a wooden fence, under a partly cloudy sky.
A yellow multi-story apartment building with pitched roof windows, located near a canal with a small boat, bordered by trees and a wooden fence, under a cloudy sky.

James Development Co. Ltd ~ est. 1959

A detailed blueprint of a residential area showing lots, roads, and infrastructure with annotations and measurements.

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

Land Acquisition

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

Blueprint of a supermarket and parking lot with trees and cars.
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Lavender Mill

Launched January 2026

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

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Bird's eye view of a residential neighborhood with multiple houses, roads, trees, and parked cars.
A bird's eye view of a suburban neighborhood with single-family homes, red-tile roofs, driveways, trees, and curved streets.

Fawn’s Leap by Broadbirch LTD

Coming Soon

A pair of detached four-bedroom dwellings featuring linked garaging and thoughtfully designed interiors extending to approximately 1,403 sq.ft. Each home offers generously sized bedrooms, a conservatory, and south-facing gardens,

Two modern houses with red-tiled roofs, brick and beige walls, and small balconies. A paved driveway with cars and people, surrounded by trees and greenery, under a clear blue sky.
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  • Bright, modern kitchen and dining area with large windows and sliding glass doors leading to a backyard with a grass lawn and wooden fence. The kitchen has white cabinets, a marble backsplash, and a marble island with barstools. There are decorative plants on the windowsill, a butterfly wall hanging, and stools with yellow seats around a wooden dining table.

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

    -Customer

  • A neighborhood scene with newly planted trees, a grassy lawn, and modern townhouses under a partly cloudy sky.

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

    -Customer

  • A residential neighborhood scene with a brick house featuring a tiled roof, large windows, a small window on the roof, and a brick fence along the sidewalk, with trees and plants in the yard.

    “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