4 New Square Chambers features expertise across the construction sector, with members of the set regularly appearing before the TCC and appellate courts in claims involving professional negligence and insurance, among other matters. Leading silk Roger Stewart KC is currently representing Capita in the Capita v Phoenix TCC proceedings concerning an IT outsourcing agreement for a major construction project. On the junior side, Paul Cowan demonstrates notable expertise, having appeared in two major trials, successfully defending a public sector client and a leading architectural firm. Lucy Colter KC took silk in 2026.
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Lawyers
Leading Silks
KCs at the very top of their field, with a long-established record of market-defining cases, and widespread endorsement from clients and peers. All silks appointed in the last two rounds are listed further below.
2026 Silks
KCs at the very top of their field, with a long-established record of market-defining cases, and widespread endorsement from clients and peers. All silks appointed in the last two rounds are listed further below.
Leading Juniors
Leading juniors are those with significant experience of key cases, strong market recognition from both peers and clients, and are seen as future candidates for silk.
