How to achieve BREEAM Excellent

BREEAM Excellent is a scored threshold plus a set of minimum standards that must be met regardless of your total score. Projects rarely miss Excellent because of the overall score — they miss it because one mandatory standard was not designed in, or because evidence for credits that were achievable was never captured.

The two tests you have to pass

• Weighted score. Credits across energy, health and wellbeing, water, materials, waste, land use and ecology, pollution, transport and management are weighted and totalled.
• Minimum standards. At Excellent, specific credits become mandatory. Missing one caps the rating at Very Good no matter how high the total.

Where the score is won

1. Energy. The largest weighted category. Fabric performance, low-carbon heat and metering strategy drive it, and all three are early design decisions.
2. Health and wellbeing. Daylight, glare, acoustics, indoor air quality and thermal comfort modelling — cheap when specified early, expensive to retrofit.
3. Water. Fittings specification plus Wat 03 leak detection and metering. Reliable, low-cost credits that are routinely missed.
4. Materials. Responsible sourcing and a whole-building life cycle assessment for Mat 01.
5. Management. Appointing a BREEAM AP early is itself creditable and improves every other category.

Where projects lose Excellent

Three failures account for most near-misses: a mandatory standard discovered after the design freeze; commissioning, handover and aftercare credits assumed rather than programmed; and responsible-sourcing evidence not written into subcontractor procurement, so certificates cannot be produced at post-construction review.

The sequence that works

Run a pre-assessment at concept stage to fix the credit target, appoint the assessor and AP before Stage 3, write BREEAM evidence obligations into the procurement documents, then hold a single design-stage submission before construction. If you are targeting the top rating instead, see how to achieve BREEAM Outstanding.

Ready to lock in BREEAM Excellent?

We will run a credit-by-credit review of your scheme and tell you exactly which decisions still need making to reach Excellent.

Book a BREEAM assessment or request a fixed-fee quote — we reply the same working day with the scheme, timeline and fee for your project.

Frequently Asked Questions

How do you achieve BREEAM Excellent?

You must pass the weighted score threshold for Excellent and meet every minimum standard that applies at that rating. In practice that means fixing the credit target at concept stage, designing in energy, water and health credits early, and programming the commissioning, handover and evidence tasks rather than assuming them.

What is the difference between BREEAM Very Good and Excellent?

Excellent requires a higher weighted score and a stricter set of mandatory minimum standards. The step up is usually driven by energy performance, health and wellbeing modelling and evidence rigour rather than by adding isolated credits.

Can an existing building achieve BREEAM Excellent?

Yes, through the In-Use or Refurbishment and Fit-Out schemes rather than New Construction. The achievable rating depends on the existing fabric, services and how the asset is managed and metered.

When is it too late to target Excellent?

Once the design is frozen and procurement is complete, several categories are effectively fixed. An assessor can still tell you which rating remains realistic, but adding credits after that point is the most expensive route to a certificate.

BREEAM by building type

• BREEAM for offices — new build, shell and core, and fit-out
• BREEAM for warehouse and industrial — logistics and light industrial
• BREEAM for data centres — water intensity, cooling and power
• BREEAM for retail — stores and shopping centres
• BREEAM for residential — housing and multi-residential schemes
• BREEAM for public sector — schools, health and civic