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Case Study

Middlesex House Courtyard Waterproofing

Cleveland Street W1T 4JE
  • £120k
  • March 2024
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Project Overview

Bayanix was appointed as the principal contractor to deliver comprehensive waterproofing and drainage upgrades for the external courtyard of Middlesex House, a commercial office building originally converted from a car park. The project, forming the internal atrium of the building, also included the supply and installation of granite paving. Bayanix’s phased approach ensured uninterrupted access for tenants while safeguarding the integrity of the building’s below-ground spaces.

The project’s unique logistical challenges and bespoke design solutions demonstrate Bayanix’s expertise in delivering high-quality results in complex, live environments.

Client Objectives

Derwent aimed to retain the original aesthetic of the courtyard while upgrading the waterproofing and increasing the drainage capacity. A critical requirement was sourcing granite to match the existing paving, which was no longer available, and replicating the original design using advanced CNC grooving techniques. Additionally, the project had to adhere to strict slip-resistance standards for the external, sloped environment.

ClientDerwent London PLC

Project Duration6 weeks

Project Highlights

Bespoke Granite Paving

Bayanix sourced granite tiles that matched the discontinued original material. Using CNC grooving, the team replicated the unique finish and design of the existing paving, ensuring continuity and a high-end appearance.

Waterproofing and Drainage Upgrades

To protect the tenants below, Bayanix installed a 25-year warranty waterproofing system (Westwood Wecryl) and increased the courtyard’s drainage capacity. This ensured long-term performance while minimising disruptions during installation.

Phased Work in a Live Environment

The project was delivered in carefully planned phases to maintain full access to the main entrance of the office building. Temporary works, such as hoardings and protective barriers, ensured tenant safety and business continuity.

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Challenges & Solutions

Live Building Logistics

The courtyard’s location on a ramp and its role as the main entrance posed significant logistical challenges. Bayanix’s phased programme ensured that tenant access was never compromised, and all works were conducted safely and efficiently.

Matching Discontinued Materials

The original granite paving design was discontinued, requiring a bespoke solution. Bayanix sourced replacement granite and used precision CNC grooving to replicate the original design seamlessly, maintaining the courtyard’s aesthetic integrity.

Slip Resistance and Waterproofing

Working in an external, sloped environment required careful consideration of slip resistance. Bayanix’s bespoke paving solution met all safety standards while integrating a robust waterproofing system to protect the spaces below.

Ready to get started?

Give our expert team a call 0207 871 1330

Challenges & Solutions

Live Building Logistics

The courtyard’s location on a ramp and its role as the main entrance posed significant logistical challenges. Bayanix’s phased programme ensured that tenant access was never compromised, and all works were conducted safely and efficiently.

Matching Discontinued Materials

The original granite paving design was discontinued, requiring a bespoke solution. Bayanix sourced replacement granite and used precision CNC grooving to replicate the original design seamlessly, maintaining the courtyard’s aesthetic integrity.

Slip Resistance and Waterproofing

Working in an external, sloped environment required careful consideration of slip resistance. Bayanix’s bespoke paving solution met all safety standards while integrating a robust waterproofing system to protect the spaces below.

Added Value

Seamless Continuity of Business Operations

Through meticulous planning and temporary works, Bayanix ensured uninterrupted tenant access and minimal disruption to the building’s operations.

Bespoke Design Excellence

The CNC-grooved granite paving delivered a perfect match to the original design, achieving the client’s aesthetic objectives.

Enhanced Durability

The installation of a 25-year warranty waterproofing system ensures long-term protection for the building, providing peace of mind for the client.

“Bayanix’s ability to maintain the integrity of our courtyard’s original design while upgrading its functionality was truly impressive. The team’s attention to detail and thoughtful logistics ensured our operations were unaffected throughout the project.”

The Results

The Middlesex House Courtyard Waterproofing project highlights Bayanix’s commitment to delivering tailored solutions that meet both functional and aesthetic objectives. By overcoming logistical and design challenges, the team successfully transformed the courtyard into a durable, visually cohesive space that aligns with the client’s vision. This project exemplifies Bayanix’s expertise in working within live environments and delivering exceptional quality.

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