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Low Energy Buildings consultant and Passivhaus designer​

We design and help architects create healthy homes and workspaces, while treading lightly on the planet within your budget.

Positive Collective Home of 2030 Masterplan_aerial render

Low energy and sustainable design for residential and commercial projects

Hello, we're Humblebee. We offer consultancy and advice for domestic, community, educational, and small scale commercial buildings. Our expertise covers Passivhaus design, mechanical services in buildings (heating, ventilation, air conditioning), existing building energy audits, retrofit and new build solutions, thermal modelling and heat loss/gain calculations.

We also help with renewable technologies and carbon neutral through to net positive design, summer overheating calculations, and option feasibility studies.

Florence Collier CEng MEng (Hons)


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