- Companies
- Plumbers and heating engineers
- Fishguard
- Mark Cockayne Ltd
Mark Cockayne Ltd
- Company number
- 08207535
- Incorporated
- 10 Sep 201214 years trading
- Registered office
- Park View House, Ropewalk, Fishguard, Pembrokeshire, SA65 9BT
- Nature of business
- Plumbing, heat and air-conditioning installation
Mark Cockayne Ltd is a 14-year-old private limited company registered in Fishguard, company number 08207535, one of 6 plumbing and heating companies in Fishguard. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £8,111 (-34.5%) on the year before, to £15K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £41K against £30K owed within a year: 1.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £15K | £23K | £41K | £30K | 2 |
| 30 Sep 2024 | £24K | £25K | £51K | £34K | 2 |
| 30 Sep 2023 | £23K | £27K | £56K | £41K | 2 |
| 30 Sep 2022 | £7,354 | £19K | £33K | £37K | 2 |
| 30 Sep 2021 | £13K | £14K | £32K | £34K | 3 |
| 30 Sep 2020 | £7,197 | £22K | £37K | £39K | 3 |
| 30 Sep 2019 | £12K | £23K | £34K | £24K | 3 |
| 30 Sep 2018 | £7,667 | £8,109 | £22K | £17K | 3 |
| 30 Sep 2017 | £6,385 | £12K | £21K | £19K | 2 |
| 30 Sep 2016 | £3,409 | £17K | £25K | £24K |
Where Mark Cockayne Ltd is registered
The registered office is in Fishguard (SA65), in the Pembrokeshire local authority area, Wales. Show SA65 9BT on a map.
Other trade companies in SA65
- FW Home's and Garden's LtdLandscapers and gardeners
- Pembrokeshire Mobile Tyres LtdMechanics and garages
- Pembrokeshire Tyre Services LtdMechanics and garages
- Martin Ibberson Joinery LimitedJoiners and carpenters
- R D Loco LimitedElectricians
- Lynch Carpentry and Roofing Specialist LtdBuilders
- Lotus Home Installations LimitedInstallers
- RHW Property Services LtdFinishing trades
Also registered at this address
9 other companies use the same registered office as Mark Cockayne Ltd.
- Bluestone Builders LtdCivil engineering
- Buckland Properties LimitedBuilders
- Gerald Jordan Utilities LtdCivil engineering
- Heatcall LtdPlumbers and heating engineers
- M B Watson LtdSpecialist contractors
- MGR Construction & Renovation LtdBuilders
- Simon Cleal Contractors LimitedRoofers
- The Property Buyers Agent LtdProperty developers
- West Wales Flat Roofing LimitedRoofers
What happens if Mark Cockayne Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 08207535
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 September 2012 (14 years ago)
- Registered office
- Park View House, Ropewalk, Fishguard, Pembrokeshire, SA65 9BT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 10 September 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Fishguard
Other active plumbing and heating companies registered in Fishguard.
- PK Plumbing & HTG Limited2021
- Geraint Williams Plumbing & Heating Limited2006
- H2 Bathrooms Ltd2021
- Heatcall Ltd2009
- Little Green Planet Limited2010
All plumbing and heating companies in Fishguard · All trades in Fishguard · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mark Cockayne Ltd's accounts due?
Mark Cockayne Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Mark Cockayne Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mark Cockayne Ltd still trading?
Mark Cockayne Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Mark Cockayne Ltd do?
Mark Cockayne Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mark Cockayne Ltd?
Mark Cockayne Ltd was incorporated on 10 September 2012, 14 years ago.
What is the penalty if Mark Cockayne Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Mark Cockayne Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.