Ecological features

Ecological features

This is Redevco UK’s first green wall and roof. In addition to the ecological benefits it is a physical symbol of sustainability and greening of the UK portfolio and had been popular in the UK office. This was the largest single cost item at £27,500 however it was also the greatest single contributor to the improved score giving an additional 4.7%.

Energy

• The second largest cost item was the replacement of all common parts lighting with LED’s. We expect an annual energy saving of £5,900, 42,200 kWh and 21,966 kg of CO2.
• The payback period is five years, however some of the savings will benefit our tenants.
• Other improvements to the energy score include the calculation of energy efficiency ratings for boilers, chillers and supplying additional evidence around HVAC system.
• The energy score increased by 4.5%

Sustainability

• This is the UK’s first significant BREEAM improvement project.
• This asset achieved a BREEAM In-Use Very Good Rating, the highest achieved so far for Redevco UK.

Key measures

• Ecological features green wall & roofs +4.7%
• LED lights and HVAC efficiency calculations + 4.5
• Natural hazards assessment and plan +2.7%
• Lighting level testing of tenanted areas +2.1%
• Connect fire and intruder alarms to a monitored facility +1.3%
• Install Glare control features + 0.5%
• Various other assessments and additional evidence submitted +3.1%

Learnings

• Start planning early: The green wall took five months and six different contractors/consultants.
• Get an up to date Gap Analysis: BRE update their criteria regularly and so our 2014 Action Plan was not reliable to estimate costs and improvements.
• Water: It would be good to have included improvements and gain credits for water conservation.