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http://www.londonstoneconservation.co.uk/

London Stone Conservation, Unit 25, Enterprise Row, London (2026)

05/11/2025

Earlier this year, we completed the façade works at Canonbury House — a project that demanded precision, patience, and respect for original craftsmanship.

Our team carried out sensitive conservation across the elevation: carving and installing new stone indents where necessary, refining original profiles, consolidating weakened surfaces, and restoring brickwork to ensure long-term stability. Every decision followed one guiding principle: preserve as much of the original fabric as possible, and only replace what time has truly taken beyond repair.

Swipe to see the restored façade and the care that went into bringing this historic building back to its best.

11/04/2025

Some names are carved into history. Others are carved into stone. At Highgate Cemetery, a Grade 1 listing burial ground, the two often overlap.

The early Victorian Cemetery was opened in 1839 and grew to become one of the most significant burial sites in London. It went into despair in 1970. London Stone Conservation was brought in by the Friends of Highgate Cemetery to help take it off the heritage at risk register by an extensive conservation plan in 2010. Many of its most iconic monuments include the Mears Monument. The mears monument, dedicated to Thomas Mears, is made of Portland stone with a square base, spire, pinnacled buttress and pointed arches. It is adorned with tracery and ball flower enrichments.

Along with this, many other monuments were on the brink with tilted vaults and crumbling mausoleums. Our team carried out repairs across this monument to carve out intricate details that had faded into time.

From rebuilding large-scale vaults to delicately recarving and lettering inscriptions on memorials, our work honoured not just the architecture, but the legacies behind every name. By 2012, the site was officially removed from the Heritage at Risk Register. This was a proud milestone for the Friends, for us, and for London’s heritage.

24/02/2025

A Closer Look at Stone Carving

Our new workshop is buzzing with action as we breathe new life into this beautiful old water fountain. There’s nothing quite like seeing those intricate details emerge from the stone. Every curve and edge is a little nod to history, and we can’t wait to share the transformation when it’s complete! Swipe to see our expert stone mason give finishing touches!

13/02/2025

Preserving historic buildings is about more than just repairs—it’s about understanding traditional craftsmanship. Our team was approached by the Castle Climbing Centre to repair failing cornices and deteriorated parapets.

The building’s original construction materials, i.e. stucco enrichments and lime mortar were replicated to match the structure’s intricate architectural details before carefully cutting and prepping materials. We then introduced structural supports and moulded new parapet sections in place for durability. These materials were then allowed to set and cure naturally, for long-term stability and seamless integration with the original structure.

By using hand-matched materials and traditional lime-based mortar, we ensure this restoration stays true to the building’s heritage.
This approach isn’t just about fixing what’s broken—it’s about preserving history for generations to come.

22/01/2025

1/2 - St. Mary’s Church, Aldermanbury
The footings of the former St. Mary the Virgin Church in Aldermanbury are Grade II listed, a reflection of their special historical significance. Dating back to the 11th-12th century,

The plaque commemorates the church which has witnessed incredible transformations:
- Destroyed in the Great Fire of London (1666).
- Rebuilt by Sir Christopher Wren in 1677 with stunning Portland stone design.
- Reduced to ruins during a WWII air raid in 1940.
- Relocated to Missouri in the 1960s as a memorial to Winston Churchill.

Today, the original footings remain in London, nestled within a public garden, safeguarding centuries of architectural and civic legacy.

Stay tuned for our next post to find out how our conservation efforts stabilised this medieval building’s column bases and footings!

22/01/2025

1/2 - St. Mary’s Church, Aldermanbury
The footings of the former St. Mary the Virgin Church in Aldermanbury are Grade II listed, a reflection of their special historical significance. Dating back to the 11th-12th century,

The plaque commemorates the church which has witnessed incredible transformations:
- Destroyed in the Great Fire of London (1666).
- Rebuilt by Sir Christopher Wren in 1677 with stunning Portland stone design.
- Reduced to ruins during a WWII air raid in 1940.
- Relocated to Missouri in the 1960s as a memorial to Winston Churchill.

Today, the original footings remain in London, nestled within a public garden, safeguarding centuries of architectural and civic legacy.

Stay tuned for our next post to find out how our conservation efforts stabilised this medieval building’s column bases and footings!

11/01/2025

The white marble floor with black inset tile flooring of the Porte Corchere ( Music Room Balcony) at Lancaster House was restored by the skilled team at London Stone Conservation.

After dismantling the flooring and carefully storing it, waterproofing works were carried out. Once completely water-tight and levelled, the marble flooring was ready to be laid out. The detailed documentation and recording of the tiles helped our team carefully lay each unit in its original position before dismantling.

08/01/2025

The Grade I listed Lancaster House, managed by the Foreign, Commonwealth & Development Office (FCDO), is a masterpiece of 19th-century architecture. Originally commissioned in 1825 by the Duke of York, this iconic building has been a backdrop to centuries of social and political events.

Our team took on the task of conserving this historic gem with precision and respect for its heritage. Every step was executed with meticulous care!

Detailed Recording and Dismantling: Each element of the building's fabric was thoroughly documented through labels and photographs before removal, recording it's location and conditions. This was then transferred to schedules and drawings for future references.

Specialized Handling and Storage: All tiles were carefully removed, catalogued, and stored in bespoke, purpose-built crates designed to provide maximum protection during transportation and storage.

Safe Preparation for Restoration: These bespoke packaging box designs safeguard the tiles while other works were carried out on site.

28/10/2024

✨ Alabaster Carving: The Adoration of the Kings
Our skilled team replicated this medieval Nottingham alabaster carving for a tactile 'touch table,' preserving its intricate details for a new generation. This replica echoes the delicate artistry of 15th-century Nottingham carvers, whose work brought religious stories to life at a time when few could read.These alabaster pieces were once central to church altarpieces, crafted for worship and storytelling. Stay tuned to see the process behind this masterpiece!

Swipe to see the process starting with a raw piece of alabaster, making a mould of original carving in plaster and then skilfully carving it into a beautiful replica!

14/10/2024

🏰 Project Spotlight: The Tower of London 🏰
A UNESCO World Heritage Site and Grade I listed structure, the Tower of London was built by William the Conqueror in 1066 to protect London from invasions. Today, the White Tower remains an iconic example of Norman military architecture. Built around the central Tower is a vast complex of original buildings and later additions set within two concentric rings of defensive walls and a moat.

We’re proud to play a part in preserving this historic marvel. It's an honour to support the Historic Royal Palaces in safeguarding one of the nation’s most important treasures!

The maintenance of the historic fabric at the Tower of London is an endless and on-going task. It includes surveys and documentation, lime mortar repairs and repointing, grouting and consolidation, dismantling and rebuilding and analysis and sourcing of stone and brick. Working in this bustling site means delivering our work without disrupting visitors or the day-to-day operations, while maintaining the highest standards of craftsmanship and safety.

03/10/2024

DOFF Cleaning: Conservation Cleaning Techniques

Doff cleaning is a crucial conservation technique that prioritises both the preservation and aesthetic enhancement of historic structures. This method plays a vital role in restoring architectural heritage details without damage to materials. This versatile technique has been utilised on a variety of structures, from building facades to small drinking fountains.

Why it matters?
Conventional cleaning methods often involve harsh chemicals and aggressive techniques that can lead to irreversible damage, such as micro-cracks, surface erosion, and discoloration. Doff cleaning, with its superheated steam application, effectively removes dirt, algae, and pollutants without compromising the integrity of delicate surfaces. By using this gentle yet effective approach, we preserve these structures effectively for future generations.

Our process
We begin with a thorough assessment of the surface condition, identifying any areas that require special attention. Using the Doff cleaning system, we apply high-temperature steam that carefully lifts away contaminants while protecting the underlying materials. This method allows us to restore the original beauty of stone, brick, and wood, revealing intricate details that may have been obscured over time.

03/10/2024

DOFF Cleaning: Conservation Cleaning Techniques

Doff cleaning is a crucial conservation technique that prioritises both the preservation and aesthetic enhancement of historic structures. This method plays a vital role in restoring architectural heritage details without damage to materials. This versatile technique has been utilised on a variety of structures, from building facades to small drinking fountains.

Why it matters?
Conventional cleaning methods often involve harsh chemicals and aggressive techniques that can lead to irreversible damage, such as micro-cracks, surface erosion, and discoloration. Doff cleaning, with its superheated steam application, effectively removes dirt, algae, and pollutants without compromising the integrity of delicate surfaces. By using this gentle yet effective approach, we preserve these structures effectively for future generations.

Our process
We begin with a thorough assessment of the surface condition, identifying any areas that require special attention. Using the Doff cleaning system, we apply high-temperature steam that carefully lifts away contaminants while protecting the underlying materials. This method allows us to restore the original beauty of stone, brick, and wood, revealing intricate details that may have been obscured over time.

London Stone Conservation

05/11/2025

11/04/2025

24/02/2025

13/02/2025

22/01/2025

22/01/2025

11/01/2025

08/01/2025

28/10/2024

14/10/2024

03/10/2024

03/10/2024

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Monday	8am - 4pm
Tuesday	8am - 4pm
Wednesday	8am - 4pm
Thursday	8am - 4pm
Friday	8am - 4pm