Luxury awaits: turning the Old War Office into an upmarket hotel

Transforming the 1,000-room Old War Office building in London into a luxurious Raffles hotel has been a momentous project for Aecom engineers. Andy Pearson discovers how an extensive services refit was in keeping with the magnificence of the makeover

Boxing clever: retrofits in Ireland

With Dublin planners now requiring that building re-use is considered over demolition, innovative office retrofits will soon become the norm. Andy Pearson looks at two: Tom Johnson House and the Tropical Fruit Warehouse

The big picture: embodied energy at 100 Gray’s Inn Road

With a new development at 100 Gray’s Inn Road, in central London, set to become the UK’s largest full-timber, net zero carbon office building, Phil Lattimore finds out how the building’s whole life-cycle carbon impact has been assessed

Clear decisions: whole life carbon for façades

By applying the CWCT embodied carbon calculation methodology to a Croydon office, Patrick Ryan Associates estimated whether selecting a new high-performing façade is better for reducing whole life carbon than retaining elements of the original. Anri Doda and Jill Wang explain

Case study: Comberton Village College heat network

The installation of a new heat network at Comberton Village College is set to significantly reduce the heating bill and save 248 tonnes of CO2. Andy Pearson speaks to Bouygues Energies & Services about how two 500kW ground source heat pumps replaced oil-fired boilers scattered across 16 plantrooms

Targeting net zero ventilation for schools

The Monodraught HVR Zero ventilation unit won a product of the year award at the CIBSE Building Performance Awards because it targets both embodied and operational energy use. Schools are one sector benefiting from the costs savings that the heat recovery unit brings

LSBU’s cool new hub

More than half of all UK building services engineers studied at London South Bank University, so BDP’s services retrofit of the main building on the campus had to demonstrate best practice in every function. BDP’s Laura Smith reports on the steps taken to transform a tired teaching facility into the collegiate LSBU Hub

CIBSE Building Performance Champion: getting real with retrofits

To meet its net zero targets, the UK has to get to grips with carbon emissions in its ageing houses, and fast. The Welsh School of Architecture’s retrofit programme is doing just that and its pioneering work was recognised last month when it was named CIBSE’s 2023 Building Performance Champion. Andy Pearson reports