Principal Sustainability Consultant (Energy focus) - (2097)

  • Hoare Lea
  • Bristol, Gloucestershire
  • Feb 28, 2026
Full time Executive

Job Description

Principal Sustainability Consultant (Energy focus) - (2097) Location

Bristol - Bristol, BS32 4UB GB (Primary)
Cardiff - Cardiff, CF23 8RD GB

Travel Job Type

Full Time

Category

Sustainability

Job Description Principal - Sustainability Role (Energy focus) Bristol/Cardiff About us

Hoare Lea is a human centric and planet conscious engineering consultancy. We offer intelligent and sustainable solutions to complex design challenges for the built environment throughout the UK and further afield.

We provide a wide range of engineering and consultancy services, including sustainability, acoustics, air quality, building services (MEP), fire, lighting, and security to name but a few. Together, our highly skilled teams use technical expertise and problem solving skills to bring buildings to life. We ensure that whatever the building, its design is outstanding, and its operations meet the needs of the communities it serves.

We are as committed to providing an environment where everyone can realise their unique potential. So, in joining Hoare Lea, you will experience a business that enriches your knowledge, supports your wellbeing, and welcomes your individuality. You'll have the opportunity to participate in our 9 day fortnight scheme, thriving community groups, varied social and networking events, and extensive professional and technical development schemes. We also offer an extensive benefits package, including private medical cover, electric vehicle salary sacrifice scheme, stock options, and up to 30 days of annual leave.

Whatever your ambitions or circumstances, our aim is to enable everyone to develop their knowledge, give their best, and enjoy what they do.

We provide a diverse sustainability consultancy service promoting sustainable development for a range of projects across all sectors. The Sustainability discipline is an industry leader in its approach to sustainable design, construction and building operation. Focused on achieving ever greater standards of environmental sustainability, the discipline thrives on its dynamic, innovative, and ambitious working culture.

This is a rare opportunity to grow not only your own career, but the industry approach to your field of expertise as a whole.

Why work for us?

Hoare Lea is an award winning engineering consultancy with a creative team of engineers, designers, and technical specialists. We provide innovative solutions to complex engineering and design challenges for buildings.

Hoare Lea were an early adopter of Design for Performance (DfP), taking our pioneer project (Timber Square) to become the UK's first NABERSUK Design for Performance project to complete the Independent Design Review and score 5 design reviewed target rating.

With a focus on human centred, environmentally sustainable design, Hoare Lea delivered the world's first workplace fit out to achieve both BREEAM Outstanding and WELL Certified Gold. Our clients are industry leading, always striving to achieve the best and to push the boundaries of sustainability.

At Hoare Lea you'll have the opportunity to not just work on exciting projects but to also engage with the industry. Hoare Lea regularly collaborate with UKGBC, CIBSE and were one of the first to sign up to support the Building Services Engineers Declare initiative.

You'll be part of progressive and exciting projects, able to experience innovative schemes and gain knowledge across all sectors. With a structured Career Paths Framework, you'll have a clear understanding of the pathway for advancing your career.

About the role

We have a brand new opportunity for a Principal Sustainability Consultant, with an energy focus, to join our South West Business Unit and Sustainability team based. The role can be based in our Bristol or Cardiff offices and will be part of our broader Sustainability discipline which has a presence in every Hoare Lea office across the country.

In this key and varied role, you can expect to:

  • Act as Discipline (sustainability) Project Lead for medium to large scale projects at all RIBA stages including the delivery of documents to support outline and detailed planning submissions.
  • Act as Workstream Lead, taking ownership on delivery, supporting senior team members in project delivery of large scale projects.
  • Develop and coordinate resource and project plans where acting as Discipline Project Lead and support Discipline Project Lead in the development of resource plans where acting as Workstream Lead.
  • Lead workshops with the client and design team and communicate information in a clear and concise manner.
  • Effectively delegate, manage and review work undertaken by others.
  • Be responsible for undertaking and supporting others on a range of detailed analyses, including, but not limited to:
  • Energy compliance calculations such as Building Regulations Part L and energy performance certificates.
  • Advanced building performance modelling such as overheating / thermal comfort assessment, operational energy assessment.
  • Energy strategies in support of planning (outline and detailed) and design development.
  • Whilst the above will be the core responsibilities of the role, this does not preclude involvement in other workstreams within the discipline, i.e. whole life carbon, environmental assessment.
  • Support in house Technical Excellence communities in advancing the firm's knowledge to allow us to stay at the cutting edge of knowledge in our industry.
  • Support the mentoring and training of junior members of the team e.g. in workstream delivery, consultancy and project planning.
What we are looking for

You will have detailed knowledge, competence and qualifications in a selection of the following fields. It is not expected that applicants will have expertise in all of the below topics. Applicants will be expected to have focus areas and detailed knowledge within them and should demonstrate a willingness to gain expertise in other topic areas.

Core competencies:

  • Energy and building performance consultancy including
  • Advanced simulation capabilities including
  • Building Regulations Part L assessments using Elmhurst and IES
  • Energy Performance Certificates
  • Building Regulations Part O assessment
  • Thermal comfort assessments
  • Operational energy assessment including CIBSE TM54, ApacheSIM and ApacheHVAC
  • Demonstrable experience in project leadership, including resource planning
  • Demonstrable experience in training/mentoring junior team members
  • Delivery of successful planning applications and experience of local authority collaboration. Experience in the local market and London market would be particularly advantageous.
  • NABERS UK design for performance
  • Parametric building/energy performance analysis (e.g. Rhino)
  • Developing fee proposals
About you
  • Experience working within sustainability consultancy, you will be looking for a new challenge within a practice at the very forefront of our field.
  • Qualified and recognised in industry preferably working towards Chartered status. Chartered status would be advantageous.
  • You will bring expertise and passion for creating sustainable solutions.
  • You will be confident in leading energy workshops with design teams.
  • You will relish being part of dynamic team within a progressive and well respected firm.
  • You will have good communication skills and an enthusiasm for working within a team environment.
  • Demonstrable experience working with clients / contractors / architects in a design oriented / consultant role.
  • Excellent organisational and planning skills to effectively work to timescales and deadlines for multiple projects at one time.
  • Self awareness, an open mind, and a spirit of generosity
  • Experience of supporting others to develop knowledge, skills, and confidence.
How to apply

To apply simply complete a CV profile and submit your application, or for further information please contact

If shortlisted, one of our recruitment team will be in touch to arrange an introductory call (about 30 minutes) to discuss the role and your experience in more detail. From there, successful candidates will be invited to attend a panel interview, either via Microsoft Teams or in person at one of our offices.

Adjustments and accommodations

If there are adjustments or accommodations that we can put in place to help you participate and give your best at any stage of the recruitment process (whether relating to disability, neurodivergence or anything else) please let us know.

We have a Preferred Supplier List of trusted partners who assist us when required. We do not acknowledge speculative CVs or unsolicited candidate introductions from agencies not on the list.