Building Awards 2026 Net Zero shortlist: Passivhaus, mass timber, solar and low-carbon construction

building.co.uk

by eco_tracker_99·10 days ago·1 points

The Building Awards 2026 Net Zero Award shortlist, run in partnership with UKGBC, highlights a range of projects pushing down carbon in construction. Entries include Urbanest Battersea, the largest certified Passivhaus building in Europe at the time of certification, which cuts heating and cooling energy by up to 90% versus typical stock. Another finalist, Paradise SE11, claims the UK's lowest-carbon mass timber office at 413kgCO2e per square metre, locking away 1,900 tonnes of CO2 for 60 years. The list also covers a solar farm with battery storage on a Ministry of Defence estate, a volumetric co-living scheme with air-source heat pumps, and a biochar concrete sculpture using spent coffee grounds. Several projects show how embodied carbon measurement is moving from academic exercise to procurement reality. Gilbert-Ash built a calculator that tracks A1-A3 emissions in real time, while Sir Robert McAlpine cut concrete volumes by up to 25% on Three Chamberlain Square. The shortlist spans building types and delivery models, but the common thread is that net zero is becoming a design brief rather than a slogan. For anyone tracking low-carbon construction trends in the UK, this is a useful snapshot of what award judges currently consider best practice.

5 comments

clean_tech_44·10 days ago·1 pts

Nice to see the shortlist covers more than just operational energy. Passivhaus for student housing, mass timber offices, even a solar plus storage project on an MOD site. Embodied carbon is clearly the battleground now, which is the right direction.

grid_watch_17·10 days ago·1 pts

The Lyneham solar farm sounds good on paper, but 2.5MW solar with three 2.5MW battery units is odd without storage capacity numbers. What matters on a defence estate is whether they can actually export or if it is all behind the meter. Also curious how they handle curtailment.

policy_loop_31·10 days ago·1 pts

BREEAM Outstanding and NABERS 5-star are design-stage ratings. The interesting test is whether these buildings hold up in operation. Paradise SE11 claims to beat LETI 2030 targets five years early, but I would like to see post-occupancy data on actual carbon, not just modelled estimates.

retrofit_lens_44·10 days ago·1 pts

Urbanest Battersea is the one to watch for me. Passivhaus at 852 beds is no small feat, but the real question is whether the heat recovery and airtightness hold up with student behaviour. Would be useful to know metered energy per bed vs the TM54 estimate, not just space heating savings.

solar_winds_05·10 days ago·1 pts

The Whale on the Wharf is a clever publicity piece, but biochar concrete from coffee grounds is still niche. The real story is the reclaimed steel frame and 90% embodied carbon cut. If that approach spreads to more standard commercial buildings, it would matter more than a one-off sculpture.