Client: Walter Lilly

Project: Marylebone High Street, W1

Architect: Dixon Jones

Structural Engineer: AKS Ward

Marylebone High Street - Knockmoy ProjectMarylebone High Street - Knockmoy Project
Marylebone High Street - Knockmoy Project
Marylebone High Street - Knockmoy Project

Scope of Works

A brief list below indicates the works carried out;

  • Façade Retention

  • Demolition

  • Temporary Works

  • Piling

  • RC Basement & RC

Key Points

  • Complex Inner City 7 storey demolition on 35 Marylebone High Street whilst retaining the front façade.

  • High detail separation to bonded concrete beams to the adjoining party wall at 2 levels.

  • Design and installation of all temporary works schemes including 7 storey façade retention, temporary structural steel propping and piles to existing columns and sheet piling to form new basement.

  • Excavation of 2 storey basement to be 6.9m deep from existing finish floor level using sheet piles varying from 7m to 11m deep.

  • Proposed design to the client to reduce the basement raft to offer saving and to avoid the underpinning scheme being affected by the ground water level.

  • Form a 9 storey in-situ reinforced concrete frame above the new 2 storey basement.

Project Duration:

75 weeks

Contract Value:


Marylebone High Street - Knockmoy Project

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