19 Cornwall Street

Case Study

Project Summary:

Excelsior collaborated with Willmott Dixon Interiors on the redevelopment of 19 Cornwall Street, a key project in Birmingham’s Business District.
The transformation will convert the building into a state-of-the-art, net zero carbon (NZC) office space, offering 139,000 sq ft of smart-enabled
accommodation across seven floors. The project emphasizes sustainability, aiming for BREEAM Excellent and EPC A ratings, while integrating
modern energy solutions such as an allelectric strategy and solar panels. As part of the development, Excelsior is responsible for delivering
high-quality, eco-conscious washroom facilities that reflect the overall environmental goals of this cutting-edge building.

Untitled Design (6)
Cornwall Street Willmott Dixon (13)
Untitled Design (5)

Client Information:

Client:

Contractor:
Willmott Dixon Interiors

Location:
Birmingham

Completion Date:
In Progress

The Challenge

Willmott Dixon Interiors required bespoke washroom solutions for the 19 Cornwall Street redevelopment, aligning with the project’s net zero carbon (NZC) objectives. The washrooms needed to reflect the high sustainability standards, including energy efficiency and environmental performance targets.

In addition to these demands, the site’s central location in Birmingham posed access and logistical challenges, making the delivery and installation process more complex.

Willmott Dixon sought custom adaptations of our cubicle designs, alongside pre-cut, pre-hung timber-framed HPL duct panels with integrated shelving—something Excelsior had not previously implemented. The challenge was to develop these innovative, eco-friendly solutions while overcoming the site constraints and ensuring the washrooms met both the practical needs and the overall NZC goals of the redevelopment.

The Solution

To achieve the desired finish for the washroom facilities at 19 Cornwall Street, our project manager, design manager, and CAD team collaborated closely with Willmott Dixon Interiors, attentively listening to their vision and helping to bring it to life.

The final design features a sophisticated selection of finishes, including slate greys, volcanic blacks, light ash, and icy whites, all contributing to a modern aesthetic. The building showcases our Flush44 range of cubicles, providing a sleek, flush-fronted corporate finish, along with our Select ducts and wall panels.

Additionally, we incorporated select modesty panels in the male washrooms and bespoke Magma troughs and vanity tops in a Duresein Niagara finish. Throughout the project, Excelsior's lockers and HydroSQ2 bench ranges were utilized, enhancing both functionality and style in the washroom spaces. This collaborative effort resulted in a stunning and cohesive design that aligns perfectly with the project’s sustainability and design goals.

Cornwall Street Willmott Dixon (11)
19 Cornwall St

Bespoke Magma Trough Unit

Specification

 

VANITY TOP CORE MATERIAL
-[13mm Solid Surface]
VANITY PANEL CORE MATERIAL
-[12mm Compact Grade Laminate]
VANITY FRONTAGE CORE MATERIAL
-[HPL Bonded To 10mm CDF]

 

 

 

Flush44 Cubicle Range

Specification

DOORS CORE MATERIAL
-[HPL Bonded To 44mm MR Core]
PILASTERS CORE MATERIAL
-[HPL Bonded To 44mm MR Core]
HEAD CORE MATERIAL
-[HPL Bonded To 44mm MR Core]
PARTITIONS CORE MATERIAL
-[HPL Bonded To 36mm MR Core]
HARDWARE
-[Satin Stainless Steel]

Select Wall & Duct Panelling

Specification

PANEL CORE MATERIAL
-[HPL Bonded To 18mm MR Core]
FLASH GAP CORE MATERIAL
-[HPL Bonded To 18mm MR Core]
SUB-FRAME
-[18mm MR MDF]
SUB-FRAME INSERTS
-[18mm MR MDF]
SOLE PLATE
-[25mm WBP PLY]

 

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