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Business Details
50+ Years
experience
Construction & Property Development Experts London
Established in 1966, O'shea Developments has grown into one of London's leading privately-owned construction and property development companies, with over 1.75 billion worth of projects currently under development. Our six-decade track record demonstrates expertise across diverse sectors including mixed-use developments, high-rise buildings, and heritage refurbishments. Through strategic joint ventures and in-house capabilities in design, construction, and project management, we deliver complex projects ranging from 10 million to over 300 million.

Our success stems from long-term partnerships with clients, consultants, and supply chain partners, supported by a management team with deep industry experience. We maintain competitive advantage through continuous investment in modern techniques, plant equipment, and professional development, while prioritising safety and sustainability across all operations. Our joint venture expertise extends to land acquisition, planning, and delivering mixed-tenure developments across London and the South East.
Services
Property Development Construction Management Joint Venture Partnerships Plant Hire Services Refurbishment Projects Groundworks Concrete Framing Formwork Solutions Project Programming Design Services
Details
  • Year established: 1966
Highlights and features
  • We have 60 years of construction and development expertise in London
  • Our team manages projects from 10m to 300m value
  • We maintain in-house design and technical engineering capabilities
  • We deliver through strategic joint venture partnerships with major stakeholders
  • We operate modern plant and equipment fleets for construction efficiency
Services
Property Development
We develop major property schemes through joint ventures, specialising in mixed-use, residential, and commercial projects. Our expertise covers land acquisition, planning, and execution of developments valued up to 300m. We deliver sustainable, market-leading schemes across London and the South East.
Construction Management
From pre-tender budgets to completion, we manage complex construction projects including high-rise buildings, infrastructure, and refurbishments. Our services cover programming, procurement, and site management across schemes valued from 10m upwards, ensuring timely and cost-effective delivery.
Plant Hire Services
Through O'shea Developments Plant Hire, we offer formwork, falsework, and construction equipment to contractors across London. Our fleet includes steel and aluminium systems for concrete structures, supported by design services and nationwide delivery capabilities.
Joint Venture Partnerships
We create long-term partnerships with public and private sector organisations to deliver development opportunities. This approach combines our industry expertise with partners' resources to execute large-scale projects across London's evolving property market.
Refurbishment Projects
We execute permitted development schemes and heritage refurbishments, transforming commercial properties into residential units. Our experience covers complete project management from initial concept through to final fit-out, ensuring modern functionality while preserving architectural integrity.
People
Rory O'Connor
Managing Director
With two decades at the helm, Rory O'Connor has expanded O'shea Developments from a specialist contractor to a multi-faceted development group. His leadership drives strategic decision-making across property acquisitions, construction operations, and partnership ventures.
Crohan O'Shea
Chairman
Founder of the group in 1966, Crohan O'shea Developments established our reputation for quality formwork services. His vision laid the foundation for our growth into a leading London construction firm through consistent focus on technical excellence and client relationships.
Questions
What construction sectors do you specialise in?
We specialise in commercial, residential, and mixed-use developments including high-rise buildings, refurbishments, and infrastructure projects across London and the South East.
Do you work in joint venture partnerships?
Yes, we deliver most developments through strategic joint ventures with housing associations, local authorities, and private developers.
What project values do you handle?
Our project experience ranges from £10 million to over £300 million in value across diverse development types.
Do you provide plant hire services?
Yes, our O'shea Developments Plant Hire division offers formwork, falsework, and construction equipment hire across the South East.
What construction techniques do you employ?
We use modern methods including jump form, slip form, and post-tensioned concrete systems alongside traditional techniques tailored to each project.