
Kings Gate, Caernarfon Castle
Caernarfon
The pioneering redevelopment of the King's Gate at Caernarfon Castle marks a new chapter in the mediaeval site's rich history.
Client · CADW
Grosvenor Construction Ltd · Company 06793432 · Trading heritage since 2008
Active, accounts up to date·main contractor & developer·Head office Rhyl
Founded in 2008, Grosvenor Construction Ltd is a specialist building conservation company operating throughout the United Kingdom. With a vast wealth of experience, the company is firmly anchored within the full spectrum of the historic built environment and new build. They are proud to be involved with the people, organisations, and communities behind the conservation of treasured places and spaces.
Quality craftsmanship is guaranteed through continuous personal development at practitioner and professional levels, with extensive experience in the planning, enabling, procurement, and completion of conservation projects. Grosvenor Construction Ltd is committed to a systematic approach to Health and Safety, Environmental Stewardship, and Quality Assurance, keen to use conservation principles towards the sustainable and safe management of the historic environment. Over the past 20 years, the company has been privileged to be associated with numerous award-winning projects.
Their state-of-the-art facility for stone offers the full gamut of stone services, from tooling to fine detail undercutting, continuing a great tradition using stone as an expression of architecture.

Caernarfon
The pioneering redevelopment of the King's Gate at Caernarfon Castle marks a new chapter in the mediaeval site's rich history.
Client · CADW

Colwyn Bay
Restoration of Victoria Pier.

Caernarfon
A major regeneration project of new buildings amongst the existing unique, and very different, historic buildings.

Holyhead
A neglected but beautiful building has been transformed into a modern day library and business and visitor hub.

Grosvenor is known for stonework, but we also have a full spectrum of skills including bespoke carpentry.

Chester
Restoration of The Propylaeum.

Snowdonia
The project at Yr Ysgwrn, Snowdonia to conserve and transform the home of the Welsh poet Hedd Wyn was a landmark project.

Sandiway
Restoration of the Round Tower.

Holyhead
Grosvenor Construction Ltd have been working at Canolfan Ucheldre, Holyhead, after securing the "R&R Works" Contract. Ucheldre is a registered charity based in Holyhead.

Works at the Marquess of Anglesey's Column include restoration work to the column and extending the cottage to provide a visitor centre and café.

Harlech
We have been awarded an exciting new project to improve access to and safety of the visitor experience at the stunning Harlech Castle.

Bangor
Grade II listed St Mary's Church is being transformed into a new arts, culture and community hub.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Multi award-winning construction company specialising in historic built environment and new build projects across the UK. Committed to quality craftsmanship and sustainable management. Their listed services include Restoration & heritage, Refurbishment, Design & build, Stonemasonry and Carpentry & joinery.
Grosvenor Construction Ltd is registered at Grosvenor Construction Limited Tir Llwyd Industrial Estate, Kinmel Bay, Rhyl, LL18 5JA, in Wales.
Grosvenor Construction Ltd states that it works across Nationwide.
Accounts filed for the year to 2025 report 34 employees, which places the company in the 10-49 employees band.
Grosvenor Construction Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount and trade debtors in its filed accounts, turnover is likely to fall between £2.4m and £6.5m. This is an estimate, not a filed figure.
Companies House lists Grosvenor Construction Ltd as active, with accounts most recently made up to 2025-03-31.
Grosvenor Construction Ltd works in Public, Residential, Commercial and Leisure.
Grosvenor Construction Ltd was incorporated on 2009-01-16, though the company says it has traded since 2008.
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