Façade Cleaning & Rope Access Works

Puddle Dock, London, March 2026

Marine

Project overview

Concrete Repair Solutions were instructed to undertake specialist façade cleaning works to Mermaid House, Puddle Dock, London.

The project involved external access via rope techniques to clean the stone elevations of this prominent Central London commercial building. Due to the location on a busy main road, the works required full traffic management measures and were delivered during out-of-hours night shifts to minimise disruption.

The scope focused on deep cleaning of the stone façade and adjacent glazing to improve the building’s appearance and remove environmental staining.

What we did

Designed and implemented traffic management measures on a busy Central London road

Undertook out-of-hours night works to reduce disruption

Accessed external elevations via rope access (abseil) techniques

Deep cleaned stone façades using Doff cleaning system

Cleaned all windows adjacent to the working areas

Technical overview

Mermaid House is a multi-storey commercial office building located in Central London, with natural stone façade elements exposed to urban pollution and environmental staining.

Given the building’s prominent roadside location, works required careful planning and coordination. Traffic management measures were implemented to ensure safe working zones adjacent to the carriageway.

Rope access techniques were utilised to allow efficient and controlled access to the elevations without the need for full scaffold installation. A Doff steam-based cleaning system (or equivalent approved method) was used to gently remove accumulated dirt, algae and atmospheric staining from the stone surfaces while preserving the integrity of the substrate.

Adjacent glazing was cleaned following façade works to ensure a consistent and improved overall finish.

Project challenges

Working adjacent to a busy Central London roadway
Delivering works during night shifts to minimise disruption
Implementing safe rope access operations in a constrained urban environment
Cleaning natural stone without damaging the substrate

The outcome

The completed works significantly improved the visual appearance of the stone façade, removing environmental staining and restoring the building’s external presentation.

All works were delivered safely, with effective traffic management and controlled night operations ensuring minimal disruption to surrounding businesses and road users.

Services demonstrated

Rope access façade works
Specialist façade cleaning (Doff system)
Traffic management coordination
Out-of-hours project delivery
Commercial building maintenance
Central London operational works

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