We’re a conservation business with a passion for restoring historic buildings and windows

Historic buildings and windows conservation

Delivering exceptional work across the UK for clients in the Commercial, Public and Ecclesiastical sectors
Our brochure Who we are

Buxton Crescent 5-star Hotel & Thermal Spa, Derbyshire

A major structural and restoration project of the Crescent’s Georgian exterior and interior, to transform it into an exclusive 5-star hotel and thermal spa.

Oldham Town Hall, Greater Manchester

Complete regeneration of the town hall internally and externally, together with a major new extension, to turn it into a unique cinema complex.

HSBC Bank, Bishopsgate, London

External façade alterations to the main branch in the City of London, and major interior renovation and remodelling to modernise the branch and extend its accessibility.

Pitmaston House, Scientology, Birmingham

Major conservation, renovation and refurbishment programme to transform this impressive neoclassical building from a neglected office space into a modern church and community venue

London Borough of Lambeth Town Hall, Brixton, London

Complete restoration and repair of this grand Edwardian building’s exterior and interior, to transform it into an elegant location for marriages and civil partnerships.

Lilleshall National Sports & Conferencing Centre, Shropshire

Extensive renovation and expansion program to transform the Georgian stately home into an ultra-modern national centre of sports excellence with conferencing, leisure, accommodation and exhibition facilities.


We’ve been renovating some of the UK’s most important heritage properties, across the Commercial, Public and Ecclesiastical sectors, for over 17 years.
From London’s most notable town halls, museums and banks; to five-star hotels, schools and cathedrals across the South of England, Midlands and the North.

We’re also one of the country’s most experienced timber window restoration experts. We specialise in sash, steel (crittall) and timber casement windows, as well as renovating aluminium, bronze and cast iron windows to modern-day performance standards.

Years of operation

Buildings renovated

Windows restored

Happy clients

Accreditations & Qualifications


We’re a principal contractor and a specialist subcontractor for many of the UK’s largest construction companies, and accredited by best-practice industry bodies and regulatory agencies.

Our clients

We’re proud of our long-standing client relationships with so many respected national brands and household names, and that the majority of our work comes from repeat business.


Fundamental to our success is our excellent customer service, unwavering safety-first approach and our dedication to delivering exceptional quality at competitive prices.


We’re experts in delivering conservation work up to the value of £4m. We specialise in renovating historic joinery, windows, masonry and glazing on listed buildings, commercial city-centre properties, ecclesiastical estates and government buildings.

Altrincham Interchange, Greater Manchester

Window restoration

We’ve restored over 15,000 historic windows and modernised their energy-efficiency and security performance. We pride ourselves on preserving the period beauty of windows that may appear beyond repair.

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Joinery & Carpentry

Our talented of joiners and carpenters deliver a wide range of projects from working to detailed commission specifications, to providing bespoke solutions.

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Masonry & Stonework

Carefully combining traditional methods and materials with contemporary approaches and technology, our skilled stonemasons address both structural and cosmetic masonry defects.

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Historic glazing

Our glazing specialists use traditional techniques to restore and repair historic glass, stained glass, leaded domes, lanterns and lights which are often hundreds of years old.

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Trinity Renovations delivered a first-class window renovation and glazing programme of work for us at Lambeth Town Hall. Their delivery was safety-conscious, on schedule and on budget. We look forward to working with them again.

Commercial Manager – Morgan Sindall

Trinity Renovations were exceptionally helpful throughout our conservation programme and completed all of their work to a very high standard.

Project Manager and Sport England Cost Consultant – Baker Mallet

Trinity Renovations worked tirelessly to meet our exacting standards on quality, cost and time at the Crescent. It’s an important heritage site and not a straightforward project, but we were impressed with Trinity’s approach, attitude, safety on site and final output.

Senior Project Manager, Vinci Construction

We look forward to working with you

Contact us today to discuss how we can help you with your conservation project.