
Top-Down Construction
Build smarter. Move faster.
Byrne Bros. is a leader in top-down construction—an approach that delivers major programme and logistical advantages on complex city sites, particularly those requiring deep basements or constrained site access.
We’ve used top-down methods to accelerate delivery, reduce disruption, and improve safety on some of the UK’s most significant structures—including The Shard, where we executed the largest continuous concrete pour in a commercial office development at the time.
Proven Performance on Complex Projects
Byrne Bros. has successfully delivered top-down solutions across numerous projects, with a deep understanding of sequencing, coordination, and risk management.
At The Shard London Bridge, we executed:
Today, the majority of our projects with deep basements use top-down sequencing to maximise efficiency and programme certainty.

Damac Towers (Aykon)
Damac Towers (Aykon)

1-5 Grosvenor Place
1-5 Grosvenor Place

Bank Station Capacity Upgrade
Bank Station Capacity Upgrade

Paddington Crossrail, London
Paddington Crossrail, London
Why Byrne Bros. for Top-Down Construction
- Vast experience across complex basements and city centre developments
- Early engagement to define optimal sequencing
- In-house planning, engineering, and logistics teams
- Safety-first execution with minimal disruption
- Proven track record on rail-adjacent and sensitive sites
When time, access, and risk are critical—Byrne Bros. delivers top-down construction with confidence, clarity, and control.






