−£626k
vs Apr 2024Active07042750Private limited companyBorehamwood
PORTHMINSTER LTD
Significant control: Guy Langrish Duder (25–50%), James Malcolm John Lloyd (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Porthminster Ltd sell?
Registered activity: Development of building projects (SIC 41100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
PORTHMINSTER LTD is an active private limited company (company number 07042750) incorporated on 14 October 2009, registered in Borehamwood. Its registered activity is development of building projects (SIC 41100). Latest small accounts cover the period ending 30 April 2025, showing net assets of −£626k and cash of £120k, with 4 employees on average. Net assets rose 29% on the prior period (−£880k).
Peer position · net assets
By net assets it sits in the bottom quarter of 8,882 comparable companies in Greater London (median £585, upper quartile £46k).
02
Ownership and control
- Mr Guy Langrish Duder
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr James Malcolm John Lloyd
- owns 25–50% of shares
- holds 25–50% of voting rights
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 14 October 200917 yrs ago
- Next accounts due
- 30 January 2027in 99 days
- Confirmation statement due
- 28 October 2026in 5 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41100
- Development of building projects
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£120k
+540%vs Apr 2024Not reported
4
No changevs Apr 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2025 | −£626k | £120k | £1.02m | — | — | £254k | 4 |
| 30 April 2024 | −£880k | £19k | £1.44m | — | — | −£96k | 4 |
| 30 April 2023 | — | — | — | — | — | — | — |
Cash per employee£30kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets below zeroNet assets £-626,222 at 30 April 2025
- Net assets up 10% or more on the prior period+28.9% vs prior period
- Cash at bank of £50,000 or moreCash £119,998
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 14 October 2009
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.
07
Timeline
- Next accounts duein 99 days
- Confirmation statement duein 5 days
- Accounts period endNet liabilities £626k · small accounts
- Accounts period endNet liabilities £880k · small accounts
- Accounts period end
- Incorporated
08
Similar companies in Greater London
- TJG BUILDING SERVICES LIMITEDBexley · inc. Oct 2009
- LIFEHOUSE (LONDON) LIMITEDStanmore · inc. Oct 2009
- MOYO CONSTRUCTION LIMITEDBarking · inc. Oct 2009
- PROPERTY MAINTENANCE DEVELOPMENT LIMITEDPetts Wood · inc. Oct 2009
- BELVEDERE CUSTOM HOMES LIMITEDHarrow · inc. Oct 2009
- M S M DEVELOPERS LIMITEDSwanley · inc. Oct 2009
All companies incorporated on 14 October 2009 · in Oct 2009.
09
Reminders for PORTHMINSTER LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.