−£96k
vs Jun 2024Active07293218Private limited companyHarefield
COPPERMILL BUILDING CONSTRUCTION LTD
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
COPPERMILL BUILDING CONSTRUCTION LTD is an active private limited company (company number 07293218) incorporated on 23 June 2010, registered in Harefield. Its registered activity is construction of other civil engineering projects n.e.c. (SIC 42990). Latest micro accounts cover the period ending 30 June 2025, showing net assets of −£96k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 394% on the prior period (−£19k).
Peer position · net assets
By net assets it sits in the bottom quarter of 1,111 comparable companies in Greater London (median £8,090, upper quartile £49k).
02
Key dates
- Incorporated
- 23 June 201016 yrs ago
- Next accounts due
- 30 March 2027in 159 days
- Confirmation statement due
- 7 July 2027in 258 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 42990
- Construction of other civil engineering projects n.e.c.
- SIC 43390
- Other building completion and finishing
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
04
Financials
Not reported
Not disclosed
1
No changevs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | −£96k | — | — | — | — | — | 1 |
| 30 June 2024 | −£19k | — | — | — | — | — | 1 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
05
Filing and accounts signals
- Net assets below zeroNet assets £-95,992 at 30 June 2025
- Net assets down 25% or more on the prior period-394.0% vs prior period
- Incorporated five or more years agoIncorporated 23 June 2010
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
06
Ownership and control
- Mr John Phelps
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Confirmation statement duein 258 days
- Next accounts duein 159 days
- Accounts period endNet liabilities £96k · micro accounts
- Accounts period endNet liabilities £19k · micro accounts
- Incorporated
08
Similar companies in Greater London
- TUDOR SURVEYING AND ENGINEERING LTDChigwell · inc. Jun 2010
- EUROPEAN COMMISSIONING SERVICES LTDBuckhurst Hill · inc. Jul 2010
- SOLLIS LTDHounslow · inc. Jul 2010
- 4MAFI LIMITEDEdgware · inc. Jul 2010
- M J D M LTDSutton · inc. Jul 2010
- INSIDE AND OUT MAINTENANCE LIMITEDUxbridge · inc. May 2010
All companies incorporated on 23 June 2010 · in Jun 2010.
09
Reminders for COPPERMILL BUILDING CONSTRUCTION LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.