Case Studies: Commercial Offices

Fitzroy Place Apartments

By Oliver on December 5th, 2016


At a glance

  • LOCATION: Fitzrovia, London
  • PRODUCT: Slimline & Highwall
  • CONTRACTOR: Haydon


Fitzroy Place is a 95,000 m2 office, residential and commercial complex in Fitzrovia, London which is being developed from the former Middlesex Hospital building site.

Located in Fitzrovia in London’s West End this unique 3 acre site is to provide 235 private apartments, 20,000 sq ft of retail / restaurant space, 220,000 sq ft of commercial office space in addition to health and education facilities and public open space.

The development offers a collection of suites, 1, 2 and 3 bedroom apartments together with a small number of prestigious penthouses. Each apartment will be finely crafted both in design and execution of detail.

Diffusion are supplying Slimline and Highwall fan coil units to all the private apartments and penthouses.


Bloomberg Place

By Oliver on December 5th, 2016

bloomberg1.JPGAt a glance

  • LOCATION: Bloomberg Place, London
  • PRODUCT: Highline 270, Slimline & Lowline
  • CONTRACTOR: Hotchkiss


Built over Roman ruins in the heart of the City, the colossal Bloomberg Place by Foster & Partners will provide over a hectare of office for global media giant Bloomberg.

The building comprises two blocks with triangular plans that will be connected at ground level by an arcade and at a mid-point by an elevated bridge providing 61,594 sq m of office space. A museum in a double-height basement below, the building protects a Roman temple discovered during excavation of the site. Writing tablets and leather goods are among the 14,000 artifacts unearthed from the archaeological site, some dating to 43AD.

Diffusion supplied over 900 various fan coil units through-out the building including our eco Highline 270 EC-DC fan coil unit with low specific fan powers of 0.17 w/l/s.


Ben Ainslie Racing Headquarters

By Oliver on December 5th, 2016

ben-ainsliejpgAt a glance

  • LOCATION: Portsmouth, Hampshire
  • PRODUCT: Highline 270
  • CONSULTANT: Couch Perry Wilkes
  • CONTRACTOR: Sales Services


Diffusion was asked to supply 70 high efficiency low SPF eco fan coils to the new state of the art Ben Ainslie Racing Headquarters. The headquarters will become the focal point for the design, construction and development of the teams’ boats and will also provide sports science and fitness facilities and hospitality / visitors’ centre.

In accordance with the team’s sustainability goals, monitored and supported by 11th Hour Racing Inc. the base will be built to the BREEAM Excellent     standard. Utilising modern methods of construction the fabric & technologies incorporated into the design will need to provide carbon neutral credentials.

Diffusion supplied them with our new ECO Highline 270 fan coil with energy savings of up to 25% the new Eco Fan Coil offers industry leading specific fan powers at typical selections without any additional cost to the product. Specific Fan Powers below 0.2 W/l/s can be achieved at typical NR35 duty and airflow selections with no increase in unit size or cost over our standard ecdc 270mm deep fan coil unit range.


100 Cheapside

By Oliver on November 22nd, 2016

At a glance

  • LOCATION: 100 Cheapside, London
  • PRODUCT: Eclipse 3000 LPHW
  • CONSULTANT: Hilson Moran
  • CONTRACTOR: Skanska


100 Cheapside is an architecturally striking new headquarters building in a prime City location, between the Bank of England and St Paul’s  Cathedral providing 86,616 sq ft of Grade A office space over nine upper stories with a stunning roof terrace on the top floor.

100 Cheapside comprises the comprehensive redevelopment of a prominent site at the corner of King Street and Cheapside on the ceremonial route to and from the Guildhall. The existing buildings were demolished, with the new BREEAM ‘Excellent’ building taking its place.

Diffusion supplied two Eclipse 3000 LPHW for the main reception area to this recently refurbished office block on Cheapside in London. The units were supplied with special plaster in stainless steel that also allowed access to the unit via the return grilles. Our high capacity 3 row coil version was supplied to achieve satisfactory heating duties for the flow and return temperatures of 55/35°C.


Principal Place

By Oliver on May 11th, 2016

Pricipal PlaceAt a glance

  • LOCATION: Principal Place, London
  • PRODUCT: Highline 270
  • CONSULTANT: Hilson Moran
  • CONTRACTOR: Michael J Lonsdale


Principal Place is a new office development in Worship Street, Shoreditch, London. It will be a 15-storey office block designed by Foster and Partners. Alongside it, there will be a 50-storey residential tower called Principal Tower.

The 600,000-square-foot office scheme offers efficient and high density Grade A space with typical floors of 44,500 square feet. The building will feature a 15,000-square-foot reception area and a significant public realm, as well as two roof terraces exclusively for tenant use

In addition to the office scheme, half acre public piazza and 20,000 sq ft of retail space, there is also a significant residential component. Principal Tower, the 50-storey luxury residential establishment at Principal Place, will be Foster + Partners’ first fully designed residential tower, reaching 175 meters, making it one of the tallest residential buildings in Central London.

Diffusion are supplying over 1200 Highline 270 fan coils units with low specific fan powers of 0.17 w/l/s. The units being supplied are fitted with the latest energy saving EC-DC motor technology. The building will target a BREEAM Excellent rating and is currently under construction with completion scheduled for 2016. The residential tower will be completed in 2018.


184 Shepherds Bush Road

By Oliver on May 11th, 2016

At a glance

  • LOCATION: 184 Shepherds Bush Road, London
  • PRODUCT: Highline 270 
  • CONSULTANT: Hilson Moran, Troup Bywater & Anders
  • CONTRACTOR: Phoenix


No. 184 Shepherd’s Bush Road comprises a three storey industrial building, formerly known as Citroen House.

The site was originally built as a motor garage service depot with showroom, constructed for the Ford Motor Company around 1916. Soon afterwards it was taken over by Citroen in 1926 and used as a car showroom.

The redevelopment of the grade II listed Building will see 115,000 sq ft of office space and will be the new home of Customer science company, Dunnhumby.

The plans have sought to retain the architecture of the building while creating an additional three floors of contemporary offices within a diagrid glazed structure.

Diffusion are supplying 300 exposed Highline 270 fan coil units fitted with inlet silencers.


122 Leadenhall St – Cheesegrater

By Oliver on November 17th, 2014

122 Leadenhall StreetAt a glance

  • LOCATION: City of London
  • PRODUCT: 270mm Deep Ceiling Void Fan Coil Units
  • CONTRACTOR: Crown House Technologies


This iconic building, designed by Rogers Stirk Harbour & Partners, occupies a prominent city site opposite Lloyd’s of London. The 46 story building, 224m (734.9 ft) high, provides 610,000 sq ft of the highest quality offices, retail units and restaurant.

Diffusion supplied Highline 270 ECDC high efficiency, low specific fan power units to this prestigious project. The stringent mechanical and acoustic requirements were demonstrated at Diffusion’s dedicated test facility.

20 Fenchurch Street – (Walkie-Talkie)

By Oliver on November 17th, 2014

001 Walkie 1At a glance

  • LOCATION: City of London
  • PRODUCT: Fan Coil Units
  • TYPE: 270MM deep ceiling void units
  • CONSULTANT: Hilson Moran, Chapman BDSP, Atelier Ten, MH Associates
  • CONTRACTOR: Canary Wharf Contractors


20 Fenchurch has been nicknamed The Walkie-Talkie because of its distinctive shape. Construction was completed in Spring 2014, although the top-floor ‘sky gardens’ are expected to open during 2015. The 34-storey building is 160 m (525 ft) tall, making it the fifth-tallest building in the City of London.

Joint-developers Land Securities and Canary Wharf Group said 20 Fenchurch Street would be completed in 2011, however in 2009 during the depths of the Great Recession, the estimated completion was changed to 2014.

Diffusion supplied 2000 units in The Walkie-Talkie building across multiple floors to various. The specification asked Diffusion to reach Fan power levels of  0.19w/l/s, however Diffusions Fan Coil Units actually met 0.17w/l/s.


The Shard

By Oliver on November 13th, 2014

At a glance

As well as having ECO Highine 270 fan coil units throughout The Shard, Diffusion also  supplied bespoke Oasis air curtains
  • LOCATION: Southwark
  • PRODUCT: Fan Coils & Air Curtains
  • TYPE: Highline 270 & bespoke Oasis 
  • CONSULTANT: Troup Bywater & Anders 
  • CLIENT: Mace


The Shard is a skyscraper in Southwark, London. Standing almost 310 metres (1,020 ft) tall, it is the tallest building in the European  Union.

The tower has 72 habitable floors and contains premium office space, a hotel, luxury residences, retail space, restaurants, a 15-storey public viewing gallery, and a spa.

It was designed with an irregular pyramidal shape from the base to the top, and is clad  entirely in glass. Shard London Bridge’s structure was completed in November 2012, and it was opened to the public on 1st February 2013.

As well as having ECO Highine 270 fan coil units throughout The Shard, Diffusion also  supplied bespoke Oasis air curtains for the viewing gallery which is situated on floors 68, 69 and 72.


Google EMEA HQ

By Oliver on April 22nd, 2013


At a glance

  • LOCATION: Dublin
  • PRODUCT: Fan Coils
  • TYPE: Highline 270 waterside with EC Motors
  • Quantity: 500
  • CONSULTANT: Ethos Engineering
  • CLIENT: Winthrop Engineering and Contracting Ltd


Located on a triangular site at the water’s edge on Grand Canal Basin, this 16 storey Montevetro Building was purchased by Google in 2011 as Google’s EMEA Headquarters (Europe, Middle East and Africa).

The building provides 19500 sq m / 210000 sq ft of contemporary high quality open plan office space. It is Dublin’s tallest building and as part of the overall rejuvenation of Dublin’s decaying Docklands Area. The interior was designed for Google to celebrate the city’s culture with everything from Music rooms and a Kitchen disguised as a traditional Irish pub.

The building was originally intended to be air conditioned using chilled beams but Google declared a preference for fan coil units.

Diffusion Supplied 500 waterside fan coils to accommodate this preference.