Case study · feasibility

Choosing the right certification: a feasibility study

A developer with a new European commercial asset, weighing LEED, BREEAM, WELL, and EDGE. A feasibility study turned an open question into a confident, financing-aligned decision — made early, when it's cheapest to act on.

A representative engagement — the feasibility method we run on real projects, with specifics anonymized.

candidate standards assessed

clear, defensible recommendation

Early

decided at design stage

The challenge

The owner had a clear sustainability ambition but no fixed certification — and a board that wanted the choice justified to its investors and lenders. The decision matters more than it looks: the system and version are locked early and shape design, cost, and documentation for the whole project. Choose wrong, and unwinding it later is expensive. They needed a recommendation they could defend, not a default.

The approach

We ran a structured feasibility study — not a sales pitch for one system, but an honest comparison against what this specific project needs.

Clarify the drivers. Building type, market, budget, timeline, investor and lender expectations, and what certification has to unlock — marketing, financing, or ESG reporting.
Compare the candidate systems — LEED, BREEAM, WELL, and EDGE — against those drivers, not in the abstract.
Gap analysis. What each system would actually require of this building, and the realistic level, effort, and cost for each.
Recommendation. The best-fit system and version, an expected level and credit roadmap, and a plain rationale for why the others were set aside.

How the systems weighed up

System	Strongest at	Fit for this project
LEED	Global recognition and depth; in v5, built-in EU Taxonomy alignment.	Recommended. Investor-recognised worldwide; v5 supports EU Taxonomy evidence for financing and disclosure.
EDGE	Fast, measurable, finance-ready — a clear ≥20% threshold.	Close second. Excellent for green finance and speed; weighed against LEED's broader investor recognition.
BREEAM	Long-established European benchmark.	Considered. Strong where a market or portfolio is already on BREEAM; less familiar to this asset's international investors.
WELL	Occupant health and wellbeing.	Complementary, not primary — best paired with an environmental rating, not a substitute for one.

The result

One recommended system and version — with an expected certification level and a credit roadmap to reach it.
A defensible rationale the owner could take straight to investors and lenders.
Alternatives assessed and set aside, each with a reason — so no one re-opens the question six months in.
The decision made at design stage, when the system still shapes the building and the cost of getting it right is lowest.

Choosing well at the outset is the highest-leverage decision in a certification — it's where a feasibility study pays for itself many times over.

Talk to us about a certification feasibility study

← back to the work