At Acorn, people are at the heart of everything we do. With over 40 years’ experience delivering market‑leading engineering and compliance services across London and the South East, we have built a reputation based on trust, technical excellence, and long‑term partnerships with our clients.
We are currently seeking a Building Services Engineer to join our team, carrying out planned preventative maintenance (PPMs) across client sites in North and North West London
Our Culture
Acorn promotes a professional, inclusive, and collaborative working environment where engineers are trusted and supported. You will be backed by a dedicated internal helpdesk, administration team, and experienced contract managers who understand the realities of working on site and are committed to helping you succeed.
We value clear communication, strong client relationships, and personal accountability. Teamwork is central to how we operate, with engineers working closely with internal teams to ensure work is completed efficiently, safely, and to a high standard.
Health and safety, presentation, and pride in workmanship are fundamental to everything we do, and we believe these values are key to both client satisfaction and employee wellbeing.
Location: North and North West London
Salary: up to £44000 depending on experience plus overtime and callout
Hours: 41.25 hours a week
Company Benefits
Company Events
Wellbeing Benefits – 24 hours turnaround GP appointment for the whole family
25 days holiday (not including bank holidays)
Company Van and fuel card
What We Are Looking For
We are looking for a reliable and professional Building Services Engineer who takes pride in planned maintenance work and understands the importance of consistency, presentation, and client engagement.
The successful candidate will ideally have:
Proven experience working as a Building Services or Maintenance Engineer
A solid understanding of mechanical building services, including HVAC systems, heating, ventilation, and associated plant
The ability to work independently, manage time effectively, and plan workloads efficiently
Strong communication skills and a professional, customer‑focused approach
A good understanding of health and safety and site compliance
Relevant mechanical or building services qualifications (City & Guilds or equivalent preferred)
A full UK driving licence
We value attitude and reliability as much as technical skill, and we are keen to hear from engineers who want to build a long‑term future with a growing business.
We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, colour, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability
Career Prospects at Acorn
Acorn is committed to developing its people for the long term.
Many of our engineers progress into senior engineering, specialist, or management roles as they grow within the business. We actively encourage skill development, increased responsibility, and career progression for individuals who show commitment, reliability, and a strong customer‑focused approach.
As our service offering and client base continue to grow, there are ongoing opportunities for overtime, role development, and exposure to a wide variety of technically interesting sites and systems.
Why Join Acorn?
A stable, well‑established company with over four decades of industry experience
A supportive, knowledgeable internal team that understands engineering roles
A strong focus on teamwork, professionalism, and safety
Genuine long‑term career progression opportunities
PPM‑led work across varied sites in the local and surrounding counties
I agree with having my data stored for 36 months.
When you apply, we may conduct a background check using public databases and websites and utilising a web search engine. Your CV may be retained for a maximum period of one year.
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Building Services Engineer (West and North West London) in Harrow employer: Acorn
At Acorn, we prioritise our people, offering a supportive work culture that fosters teamwork and professionalism. With over 40 years of industry experience, we provide excellent career growth opportunities, including progression into senior roles and exposure to diverse engineering challenges across prestigious Central London locations. Our commitment to employee wellbeing is reflected in our generous benefits package, including 25 days holiday, travel allowances, and a focus on skill development.
