Timothy Chelmick > 4 New Square Chambers > London, England > Lawyer Profile

4 New Square Chambers
4 New Square

Living Wage

Work Department

Commercial; international arbitration; professional negligence; construction.


Barrister specialising in the fields of international arbitration, commercial and construction litigation and professional liability, covering the full range of claims against professionals; other areas include costs, insurance and IT.


Called 2004; Lincoln’s Inn. Tenant in the Chambers of Ben Hubble QC at 4 New Square, Lincoln’s Inn.


COMBAR; PNBA; TECBAR; Society for Construction Law.


Whitgift School; Magdalen College, Oxford (2000 hem First Class); City University (Dip Law).


Cricket, hockey, golf and travel.

Lawyer Rankings

Middle East: The English Bar > Construction

(Leading juniors)Ranked: Tier 1

Timothy Chelmick4 New SquareTim is a great team player and works very hard. He is very bright and technically strong. ‘

4 New Square‘s Roger Stewart QC has a broad construction, engineering, infrastructure, energy and PFI disputes practice, with substantial experience representing contractors, subcontractors and consultants on cross-border disputes. Timothy Chelmick is another key individual to note in this space.

Middle East: The English Bar > Commercial

(Leading juniors)Ranked: Tier 1

Timothy Chelmick4 New SquareTim is very client-friendly, commercial in approach, great to work with in terms of responsiveness and getting to grips with the case and the issues involved; he is a great asset to the team.’

London Bar > Construction

(Leading Juniors)Ranked: Tier 3

Timothy Chelmick 4 New Square ‘Pragmatic and commercial. Timothy provides legal analysis with a dash of common sense.’

London Bar > Costs

(Leading Juniors)Ranked: Tier 4

Timothy Chelmick4 New SquareVery good on this feet, authoritative advocacy. Good on paper too.

London Bar > Professional negligence

(Leading Juniors)Ranked: Tier 2

Timothy Chelmick4 New Square ‘Very good on this feet, authoritative advocacy.  Good on paper too.’

London Bar > International arbitration: counsel

(Leading Juniors)Ranked: Tier 2

Timothy Chelmick4 New SquareTim is as smart as any member of the Bar, but what sets him apart is his commerciality. Tim has the ability to deliver clients exactly what they want in an effective and efficient way. Tim is a go to barrister of choice for international clients.’

4 New Square ‘has really good strength in depth, both across their range of silks and their juniorsThe set’s members have experience of investment treaty disputes, commercial arbitrations and enforcement proceedings and challenges. A notable example of the latter was Province of Balochistan v TCC in which George Spalton KC acted for the claimant in challenging a £5bn award for lack of jurisdiction following ICSID and ICC arbitrations. Roger Stewart KC has a strong reputation and led Timothy Chelmick  and three more junior members in a major UK-based IT arbitration claim. Matthieu Gregoire  is a big name on the investment treaty side and is representing Sri Lanka in KLS Energy Lanka v Sri Lanka, a US$100m dispute arising from the cancellation of a wind and solar hybrid power plant project.

London Bar > Commercial litigation

(Leading Juniors)Ranked: Tier 5

Timothy Chelmick4 New Square ‘Very good on this feet, authoritative advocacy. Good on paper too.’