Abacus Developments Limited

Active01038942 Private limited company

Incorporated: 19 January 1972 (54 years)
Industry: Development of building projects (41100)
Management of real estate on a fee or contract basis (68320)
Directors: John Alistair Dempsey
Robert John William Wotherspoon
Owned by: Sir Robert McAlpine Enterprises Limited
Accounts type: Audit exemption subsidiary
Region: East of England
Address: Concept House
Home Park Mill Link
Kings Langley
WD4 8UD

Filing status

Accounts due: 31 July 2027
Last accounts: 31 October 2025
Conf. stmt due: 30 August 2027
Last conf. stmt: 16 August 2026

Charges

Total: 21
Outstanding: 1
Part satisfied: 0
Satisfied: 20

Officers 3 active

Officer details are public data from the Companies House register.

Dempsey, John Alistair

Secretary · Appointed 17 April 2025

Dempsey, John Alistair

Director · Appointed 17 January 2025

Also at Robert McAlpine Enterprises Limited, Cardiff Gate Business Park Limited, Oak Court Estates (Langstone,mon.) Limited · more companies

British

Born May 1974 (52)

Wotherspoon, Robert John William

Director · Appointed 31 October 2018

Also at Robert McAlpine Enterprises Limited, McAulay Holdings Limited, Concert Bay Limited · more companies

British

Born January 1967 (59)

Officer history (17 former)

17 April 2025

Resigned Pearson, Kevin John as Secretary

17 April 2025

Appointed Dempsey, John Alistair as Secretary

17 January 2025

Appointed Dempsey, John Alistair as Director

17 January 2025

Resigned Mcalpine, Adrian Neil Raeburn as Director

31 October 2018

Appointed Wotherspoon, Robert John William as Director

31 October 2018

Resigned Shelley, Miles Colin as Director

31 July 2017

Appointed Shelley, Miles Colin as Director

31 July 2017

Resigned Bolt, Andrew Reginald as Director

1 October 2015

Resigned Sanders, Geoffrey Peter as Director

1 October 2015

Resigned Thomas, Huw James as Director

27 March 2014

Resigned Briant, John Mark as Director

27 March 2014

Appointed Thomas, Huw James as Director

26 June 2013

Resigned Walker, Robert Peter as Secretary

26 June 2013

Appointed Pearson, Kevin John as Secretary

30 November 2005

Resigned Cowen, Brendon Raymond as Secretary

30 November 2005

Appointed Walker, Robert Peter as Secretary

31 March 2004

Resigned Prain, Graham Lindsay as Director

30 April 1999

Appointed Bolt, Andrew Reginald as Director

30 April 1999

Resigned Budden, Derek Ernest Arthur as Director

4 September 1998

Resigned Woolf, Robert Anthony as Director

9 February 1998

Appointed Briant, John Mark as Director

1 January 1998

Appointed Sanders, Geoffrey Peter as Director

20 October 1995

Appointed Cowen, Brendon Raymond as Secretary

20 October 1995

Resigned Prain, Graham Lindsay as Secretary

30 April 1995

Appointed Prain, Graham Lindsay as Director

30 April 1995

Resigned Lemerle, Malcolm Iain Roderick as Director

30 April 1995

Appointed Woolf, Robert Anthony as Director

19 August 1994

Resigned Oakley, Robert James as Secretary

19 August 1994

Appointed Prain, Graham Lindsay as Secretary

4 December 1992

Appointed Oakley, Robert James as Secretary

4 December 1992

Resigned Murphy, Elizabeth Jane as Secretary

4 November 1991

Appointed Murphy, Elizabeth Jane as Secretary

4 November 1991

Resigned Prain, Graham Lindsay as Secretary

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Sir Robert McAlpine Enterprises Limited

Corporate entity · Notified 29 February 2024

Owns 75–100% of shares

Holds 75–100% of voting rights

Right to appoint and remove directors

Limited By Shares

Reg. no. 3019895

Former controllers (1)

29 February 2024

Ceased Sir Robert McAlpine Enterprises Limited — Owns 75–100% of shares

Group structure 40 shown

Ownership group derived from the Companies House PSC register

Newarthill Limited

Brickworth Developments Limited Owns 75–100% of shares

Glenfinnan Capital Limited Owns 75–100% of shares

Sir Robert McAlpine (Holdings) Limited Owns 75–100% of shares

Sir Robert McAlpine Limited Owns 75–100% of shares

Bankside Electrical Contractors Limited Owns 75–100% of shares

British Contracts Company Limited Owns 75–100% of shares

Consortium 220 LLP Holds 25–50% of voting rights

Construction Data Ltd Holds 25–50% of voting rights

Sir Robert McAlpine Management Contractors Limited Owns 75–100% of shares

Widemarsh Gate Developments Limited Owns 25–50% of shares

St. Blaise (1998) Limited Owns 75–100% of shares

Sir Robert McAlpine Enterprises Limited Owns 75–100% of shares

Abacus Developments Limited This company Owns 75–100% of shares

Adl Ventures Limited Owns 75–100% of shares

Oakus Developments Limited Owns 75–100% of shares

Abacus Projects Limited Owns 75–100% of shares

White Rock Business Park Limited Owns 75–100% of shares

Axis Land Partnerships Limited Owns 75–100% of shares

Cardiff Gate Business Park Limited Owns 75–100% of shares

Concert Bay Limited Owns 75–100% of shares

Red Kite Securities Limited Owns 25–50% of shares

Constructenergy Limited Owns 75–100% of shares

Ehc International Limited Owns 75–100% of shares

Ehc Marrakech Limited Owns 75–100% of shares

McAulay Holdings Limited Owns 75–100% of shares

MSDL Holdings Limited Owns 25–50% of shares

MSDL Properties Limited Owns 75–100% of shares

Oak Court Estates (Langstone,mon.) Limited Owns 75–100% of shares

Robert McAlpine Enterprises Limited Owns 75–100% of shares

Scarmac Limited Owns 25–50% of shares

Europa Property Company (Northern) Limited Owns 75–100% of shares

Sir Robert McAlpine Capital Ventures Group Holdings Limited Owns 75–100% of shares

Sir Robert McAlpine Capital Ventures (Holdings) Limited Owns 75–100% of shares

Sir Robert McAlpine Capital Ventures Limited Owns 75–100% of shares

Cepf II Charles Street Manchester Developments Limited In liquidationOwns 25–50% of shares

Co. North Limited Owns 25–50% of shares

Logik Developments (Arundel Street) Limited Owns 25–50% of shares

Monkwearmouth Development Limited Owns 50–75% of shares

Step Developments Limited Proposed for strike-offOwns 25–50% of shares

And 1 more

Filings

Recent filings only. See the full history on Companies House

Date	Description	Made Up To
18 August 2026	Confirmation statement with no updates	16 August 2026
16 July 2026	Accounts filing
16 July 2026	Audit exemption subsidiary accounts	31 October 2025
26 June 2026	Other filing
26 June 2026	Other filing