5 Sustainability Actions Every Facilities and Sustainability Manager Should Take for Their Premises
- Adapt D&B
- Aug 3
- 8 min read
If you manage a building, an office, or a fit-out space, you're sitting on one of the highest-impact levers your company has for hitting its sustainability targets — but "improve our building's sustainability" is a vague instruction to act on. It helps to have a short, concrete list of where to start.
There's also a second question worth asking alongside "what should we improve": how will anyone else know we improved it? Being sustainable and being able to prove it to a tenant, investor, or regulator are two different things — and increasingly, the second one is what actually gets rewarded, whether that's a stronger tender bid, an easier ESG disclosure, or a competitive edge over an uncertified building next door.
Below are five actions we see move the needle fastest for facilities and sustainability managers, in roughly the order most teams should tackle them. Each one ties to a specific area of building performance — and a specific certification pathway, if you decide to make that progress visible and provable.
What Is Sustainability, in Practical Business Terms?
Sustainability is usually defined as meeting today's needs without compromising the ability of future generations to meet theirs. It's a clear principle, but on its own, it's not actionable — you can't "do" a principle. In a business context, sustainability breaks down into three areas you can actually manage, plan for, and measure:
Environmental — your emissions, energy use, water consumption, waste, and material choices
Social — the well-being of employees, tenants, and the communities you operate in
Economic/Governance — how sustainability decisions are reported, financed, resourced, and held accountable
Every sustainability target you've been asked to hit traces back to one or more of these three. That's useful, because it means your "now what" question has a concrete starting point: which of the three is your target actually asking you to move — and by how much?
Most companies discover, once they ask that question honestly, that their target sits mostly in the Environmental column — and that Environmental progress, in turn, sits mostly in one place: the spaces they build, occupy, and operate.
5 Sustainability Action to start with
Each of the five actions below stands on its own — you don't need to commit to a full certification pathway to benefit from any single one. But taken together, they form a natural progression: from the quick, low-cost fixes that pay off almost immediately, through to the design and certification decisions that shape how your sustainability progress gets recognized externally. Start wherever your premises need it most.
1. Audit Your Indoor Air Quality (IAQ)
Why it's first: IAQ is one of the most overlooked areas of building performance, despite directly affecting employee health, productivity, and comfort — and despite being one of the fastest things to measure and fix.
Poor indoor air quality shows up in ways that rarely get traced back to the building itself: headaches, fatigue, higher sick leave, complaints about a "stuffy" office. Most facilities teams have never actually tested for it, because nothing forces the question until someone complains.
What this looks like in practice:
Testing for CO2 levels, particulate matter, humidity, and ventilation rates across your premises
Identifying whether your HVAC system is delivering the fresh air exchange rates your occupancy actually requires
Checking for sources of poor air quality in materials, furnishings, or nearby construction
Where it leads: IAQ is also a scored criterion in most green building certifications — it's one of the five key assessment areas in Green Mark for Interiors, and it factors into Green Mark 2021's Health & Wellbeing section. A proper IAQ audit isn't just a wellness initiative; it's groundwork you'll need regardless of which certification you eventually pursue — and a certified IAQ standard is something you can put in front of employees, tenants, or a workplace wellness audit as tangible proof you take occupant health seriously, rather than an internal claim no one can verify.
2. Benchmark Your Energy Performance Against Certification Prerequisites
Why it matters: Energy efficiency isn't one line item among many in most certification frameworks — it's usually the entry requirement. Under Green Mark 2021, for example, Energy Efficiency is the mandatory prerequisite before any other Sustainability Section is assessed. If your energy performance doesn't clear that bar, nothing else on your certification path moves forward.
What this looks like in practice:
Reviewing 12 months of utility data to establish a real energy baseline, not an estimate
Benchmarking against comparable buildings or spaces of similar size and use
Identifying the highest-consumption systems on your premises — usually HVAC and lighting — and where the easiest gains sit
Where it leads: This is the foundation for Green Mark, Green Mark for Interiors, and EDGE certification alike. EDGE in particular is built around measurable percentage reductions in energy, water, and embodied materials, so a clear baseline here directly determines how close you already are to qualifying — sometimes closer than teams expect. And once you clear that bar, an energy performance rating becomes one of the easiest sustainability wins to communicate externally: it's a number, it's verified, and it's exactly the kind of evidence investors and ESG reporting frameworks are asking for.
3. Get an Early Read on Embodied Carbon Before Any Renovation or Fit-Out
Why it's often missed: Most sustainability conversations focus on operational carbon — the emissions from running a building day to day. Far fewer teams think about embodied carbon — the emissions locked into the materials themselves, from concrete and steel to carpet and ceiling tiles — until they're deep into a renovation and it's too late to change course cheaply.
What this looks like in practice:
Flagging any upcoming renovation, fit-out, or new construction before materials are finalized
Getting a preliminary estimate of embodied carbon for the project, even a rough one
Comparing material choices against lower-carbon alternatives while decisions are still open
Where it leads: This is where a Whole Life Carbon Assessment (WLCA) becomes relevant — and increasingly necessary, since Green Mark 2021 now includes Whole Life Carbon as one of its Sustainability Sections. The earlier a WLCA happens in a project, the more options you have; run it after materials are ordered, and you're just documenting a number you can no longer change. Done early, though, a WLCA gives you something most competitors won't have yet: a documented, defensible carbon figure for the project — increasingly the kind of detail that sophisticated tenants, investors, and procurement teams are starting to ask for by name.
4. Decide Whether Your Space Needs Green Mark or Green Mark for Interiors
Why this trips people up: This is the single most common point of confusion we see. Green Mark applies to base buildings — the structure and systems a developer or building owner controls. Green Mark for Interiors (GMI) applies to interior fit-outs — the space a tenant occupies and controls within someone else's building. Since 1 November 2025, all interior fit-out certifications are assessed under GMI, replacing the older approach.
Get this wrong, and you can spend months preparing for the wrong assessment.
What this looks like in practice:
Clarifying whether you own/manage the base building, occupy leased space, or both
Checking your lease terms to confirm what falls under your control versus your landlord's
Matching your certification target to the party actually responsible for each system (e.g., you may control lighting and interior finishes but not the central chiller plant)
Where it leads: Once this is clear, the certification path stops being a guessing game. Base building owners typically pursue Green Mark; tenants and occupiers fitting out leased space typically pursue GMI; and developers weighing a faster, budget-conscious international benchmark sometimes look at EDGE alongside or instead of Green Mark. Whichever you land on, this is the certification that ends up on your building's signage, your tender submissions, and your sustainability report — it's the single most recognizable piece of proof you can put in front of a client, investor, or prospective tenant that your premises meet a standard, not just your own definition of "sustainable."
5. Bring in Environmentally Sustainable Design (ESD) Thinking Before You Design, Not After
Why timing matters most here: Every action above becomes cheaper and easier when it's considered at the design stage rather than retrofitted afterward. ESD is the practice of embedding sustainability principles — passive cooling, daylighting, material selection, water efficiency — into a space from the earliest design decisions, rather than bolting on fixes once a space is built.
What this looks like in practice:
Involving sustainability considerations at concept and schematic design, not at handover
Reviewing design decisions (orientation, glazing, layout, materials) for their downstream energy and carbon impact
Setting design targets that align with whichever certification you're pursuing, so the design and the certification aren't working against each other
Where it leads: ESD isn't a certification itself — it's the design discipline that makes every certification above easier, faster, and cheaper to achieve. Teams that bring ESD thinking in early consistently spend less time and money closing gaps later, compared to teams that design first and try to retrofit sustainability in afterward. It also means the sustainability story you eventually tell — in a certification submission, a tender, or an ESG report — is built into the space itself, rather than added on as an afterthought that's harder to substantiate.
Putting These Five Actions in Order
If you're starting from zero, a practical sequence looks like this:
IAQ audit — fast, affordable, immediately actionable, and required either way
Energy benchmarking — establishes whether you clear the prerequisite for any certification
Embodied carbon check — only urgent if renovation or construction is already on the calendar, but time-sensitive if so
Certification pathway decision (Green Mark vs. GMI vs. EDGE) — clarifies exactly what you're working toward
ESD input — ideally folded in from step one if any design work is still open, since it makes everything above easier
Not every action needs to happen this quarter. But doing them in this order — audit before assessment, assessment before certification choice — avoids the most common and costly mistake we see: teams picking a certification target before they know whether their building or space can actually meet it.
Frequently Asked Questions
What is the first sustainability action a facilities manager should take?
An indoor air quality audit is usually the fastest and most immediately useful starting point — it's quick to conduct, directly affects occupant wellbeing, and feeds into most green building certification criteria.
Do I need a certification to improve my building's sustainability?
Not strictly — actions like IAQ improvements and energy efficiency upgrades deliver real value on their own, and you'll see the benefits in your utility bills and occupant feedback regardless. But certification is what turns those improvements into something visible and provable. Green Mark, GMI, and EDGE act as an independent, third-party stamp that says "this building meets a recognized sustainability standard" — which matters when a tenant, investor, client, or regulator wants proof, not just your word for it. It's the difference between being sustainable and being able to show it: on a tender submission, in an ESG report, on a building's marketing materials, or to a prospective tenant comparing you against a certified competitor.
What's the difference between Green Mark and Green Mark for Interiors?
Green Mark applies to base buildings — the structure and core systems typically controlled by a building owner or developer. Green Mark for Interiors applies to interior fit-outs — the space a tenant occupies and controls. Since November 2025, all fit-out certifications fall under GMI.
When should a Whole Life Carbon Assessment be done?
As early as possible — ideally before materials or construction methods are finalized. Running a WLCA after a project is built only documents the outcome; running it early lets you actually influence it, and gives you a defensible figure to report rather than an estimate.
Is EDGE certification a good alternative to Green Mark?
EDGE is often chosen for its speed and cost-efficiency, particularly for developers seeking a faster international benchmark based on measurable reductions in energy, water, and embodied materials. Whether EDGE or Green Mark fits better depends on the building type, ownership structure, and target market.
Where to Go From Here
Most premises have at least one of these five actions sitting untouched — usually IAQ or embodied carbon, since both are easy to miss until someone specifically looks for them. A short audit is usually enough to tell you which of the five matters most for your building right now, and which certification pathway will let you actually show for it what you've already done.
