What we do

Our Services

We’ve been breathing new life into historic properties and period windows across the UK for over 17 years.

Our team’s expertise has been developed over centuries in the UK’s conservation and construction industries. Our conservation services range from objective advice and specialist surveys right through to enabling works and final-finishes.

Window restoration

We’re dedicated to preserving the character of historic windows and modernising their energy-efficiency and security. Specialising in sash, steel (crittall), timber, aluminium, bronze and cast iron window frames, our window restoration experts:

  • Reduce window drafts, rot, sound and rattles
  • Repair decayed or damaged timber casements and sills to SPAB standards
  • Restore hard to open or fixed historic windows
  • Upgrade single-glazed windows to double-glazing casements
  • Improve window performance and security
  • Maintain the historical continuity of each heritage window using traditional methods and high-quality, sustainable materials



Improve performance

Joinery & Carpentry

With over 750 years of combined conservation experience, our expert team of joiners and carpenters carefully combine traditional methods with modern approaches to offer a broad range of on-site specialist services, including:

  • First, second and final fix joinery
  • Structural repairs, restorations and treatments
  • Replication and replacement of existing joinery and carpentry
  • Bespoke commissions and designs
  • Fire prevention



Bespoke commissions

Masonry & Stonework

Our accomplished team of stone masons offer a wide range of heritage services for structural and cosmetic projects. From historic replicas and commissions to delivering our own creative designs, our stonework expertise includes:

  • Stone and masonry restoration, alternation, cleaning and conservation
  • Repair and replication of terracotta and faience
  • Brick restoration, reproduction and replacement
  • Traditional lime mortar repairs and pointing
  • Walling, cladding and concrete repairs







Historic glazing

We’re experts in sympathetically restoring, repairing and reproducing heritage glazing. Over the years our experts have restored historic glass originating from medieval times right through to the modern eras. Our specialist glazing services include:

  • Reproduction, restoration and protection of original, stained and leaded glass
  • Heritage glazing repairs and replacements, including ironmongery
  • Restoration of glazed roof domes, lanterns and leaded lights
  • Bespoke glazing commissions and designs
  • Protective glazing, toughened glass, wire guards and polycarbonate

Detailed assessments


Specialist surveys

We carry out a number of specialist surveys to ensure our clients have an objective and detailed understanding of their conservation challenges, and to support our work in developing the best solution. Our survey specialisms include:

  • Timber
  • Windows
  • Masonry & stonework,
  • Joinery
  • Ornate glasswork
  • Damp
  • Materials testing
  • Drainage
  • Roofing

“We were impressed with Trinity Renovations and how they managed to restore so much of Pitmaston House’s original masonry and stonework, and so many of its windows that we thought were beyond repair!”

Conservation Officer – Birmingham City Council

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

“We were delighted to work with Trinity Renovations on renovating Pitmaston House and enabling us to open it to our local community. They worked collaboratively with us, showing great skill and dedication. They also achieved all of our deadlines and budget goals.”

Project Director on Pitmaston House – Clearview Management

We’ve a track record for delivering excellent project quality at highly competitive prices!

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