
Durham Castle
Restoration of sash windows.
Green Key Restoration Ltd · Company 14501132
Active, accounts up to date·subcontractor·Head office Newark
Green Key Restoration is a business dedicated to achieving excellence in restoration, employing a team of highly skilled tradespeople who utilize both traditional and advanced methods to bring period and listed properties back to their former glory. The company sees itself as a vital part of preserving Britain's heritage. Their expertise extends to a wide range of services including the restoration of sash windows, frames, glass, and ironmongery, as well as creating new and replica timber doors.
They also specialize in leaded lights, thermal upgrades and insulation for timber windows and doors, extensive timber works such as panelling and staircases, micro abrasive cleaning for various surfaces, and surveying for heritage buildings. The team is committed to providing a quality service, guided by core values that emphasize client guidance, correct material selection, and long-term advice. They are passionate about the restoration business and aim to meet client requirements while continuing to "Restoring Moments in History".

Restoration of sash windows.
Project involving restoration works.
Project involving restoration works.

Restoration of timber doors.
Project involving restoration works.

Restoration of timber doors.
Project involving restoration works.
Project involving restoration works.

Restoration of leaded lights.

Restoration of leaded lights.

Restoration of sash windows, including paint removal, refurbishing, new ironmongery and weights, reassembly with thermal upgrades, and filling/priming.

Extensive timber works including panelling, staircases, and timber sourcing.
schools.
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Green Key Restoration specialises in the restoration of sash windows, timber works, gold leaf, thermal upgrades, vapour honing, and surveying for period and listed properties. Their listed services include Restoration & heritage, Carpentry & joinery, Glazing, Windows & doors and Damp proofing.
Green Key Restoration Ltd is registered at 18b Balderton Gate, Newark, NG24 1UE, in East Midlands.
Green Key Restoration Ltd states that it works across Nationwide.
Accounts filed for the year to 2025 report 2 employees, which places the company in the 1-9 employees band.
Green Key Restoration Ltd does not disclose turnover: UK small-company accounts are not required to. Based on creditors in its filed accounts, turnover is likely to fall between £20k and £82k. This is an estimate, not a filed figure.
Companies House lists Green Key Restoration Ltd as active, with accounts most recently made up to 2025-11-30.
Green Key Restoration Ltd displays CHAS, Constructionline, First Aid at Work and DBS check on its website.
Green Key Restoration Ltd works in Residential, Commercial and Public.
Green Key Restoration Ltd was incorporated on 2022-11-23.
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