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Before and after cleaning of a building.
Prelude Stone Ltd · Company 03405785 · Trading heritage since 1988
Active, accounts up to date·subcontractor & consultant·Head office Westerham
Prelude Stone is a family-owned, independent company with over 35 years of experience, specializing in the restoration, conservation, and cleaning of listed and historic buildings, as well as new developments. Their expert craftsmen, including two generations of the family, work with a variety of materials such as stone, brick, and stucco, employing both traditional skills and modern technology. They serve a diverse client base, including private individuals, companies, local and national government bodies, educational institutions, and ecclesiastical organizations.
The company offers a comprehensive range of services, from pre-planned maintenance and preventative inspections to emergency call-outs, ensuring the longevity and integrity of buildings. They are committed to using industry-approved and accredited cleaning procedures, with a focus on biodegradable and environmentally friendly chemicals. Prelude Stone also lends its specialist expertise to major construction schemes, working collaboratively with lead contractors and providing consultancy services.
Their work encompasses all aspects of conservation and restoration, including delicate tasks like window tracery and statuary repair. They are renowned for their meticulous approach to cleaning, lime mortar repairs, pointing, and rendering, and have developed specialized restoration mixes to match various stone types. Prelude Stone has a strong track record, having worked on landmark sites such as Lambeth Palace, the British Museum, and Windsor Castle, solidifying their reputation as leading stone restorers.

Before and after cleaning of a building.

Restoration and conservation work.

Restoration and conservation work.

Example of new build work.

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National Trust, English Heritage, Lambeth Palace, British Museum, House of Commons, Polesden Lacey, Hampton Court, Windsor Castle.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Family-owned company with over 35 years' experience in restoration, conservation, and cleaning of historic and new buildings across London and the South-East. Their listed services include Restoration & heritage, Stonemasonry, Bricklaying, Concrete works and Painting & decorating.
Prelude Stone Ltd is registered at 1st Floor Office, 190 London Road, Westerham, TN16 2DJ, in South East.
Prelude Stone Ltd states that it works across London and South-East.
Accounts filed for the year to 2025 report 4 employees, which places the company in the 1-9 employees band.
Prelude Stone 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 £600k and £1.6m. This is an estimate, not a filed figure.
Companies House lists Prelude Stone Ltd as active, with accounts most recently made up to 2025-03-31.
Prelude Stone Ltd displays Restorative Techniques on its website.
Prelude Stone Ltd works in Residential, Commercial, Public, Education, Healthcare and Infrastructure.
Prelude Stone Ltd was incorporated on 1997-07-21, though the company says it has traded since 1988.
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