- Companies
- Plumbers and heating engineers
- Newcastle upon Tyne
- Poseidon Plumbing and Heating Services Ltd
Poseidon Plumbing and Heating Services Ltd
- Company number
- 13470213
- Incorporated
- 22 Jun 20215 years trading
- Registered office
- 11 Hastings Drive, Newcastle upon Tyne, Tyne And Wear, NE27 0DP
- Nature of business
- Plumbing, heat and air-conditioning installation
Poseidon Plumbing and Heating Services Ltd is a 5-year-old private limited company registered in Newcastle upon Tyne, company number 13470213, one of 164 plumbing and heating companies in Newcastle upon Tyne. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £6,596 (-14%) on the year before, to £40K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £64K against £38K owed within a year: 1.7 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £40K | £64K | £38K | 4 | |
| 30 Jun 2024 | £47K | £68K | £32K | 4 | |
| 30 Jun 2023 | £48K | £67K | £32K | 4 | |
| 30 Jun 2022 | £36K | £54K | £30K | 2 |
Where Poseidon Plumbing and Heating Services Ltd is registered
The registered office is in Newcastle upon Tyne (NE27), in the North Tyneside local authority area, North East. Show NE27 0DP on a map.
Other trade companies in NE27
- Jackson Access and Painting LimitedSpecialist contractors
- Tyneside Cleaning LtdCleaning companies
- Quay Point Maintenance LtdPlumbers and heating engineers
- Steerwheel Autos LimitedMechanics and garages
- Northumberland Used Vehicles LimitedMotor traders
- KW Site Welding LtdSpecialist contractors
- Capra Construction LtdBuilders
- Abela Access LimitedInstallers
What happens if Poseidon Plumbing and Heating Services 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 13470213
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 June 2021 (5 years ago)
- Registered office
- 11 Hastings Drive, Newcastle upon Tyne, Tyne And Wear, NE27 0DP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 7 July 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 Newcastle upon Tyne
Other active plumbing and heating companies registered in Newcastle upon Tyne.
- Precision Build Kitchens and Bathrooms Limited2026
- Prime Heating and Gas Services Ltd2021
- Prime Heating Solution Limited2026
- Quay Point Maintenance Ltd2026
- R W Moore Plumbing & Heating Ltd2026
- Rapid Response 24/7 Ltd2026
- Raven Gas Services Limited2019
- RB Heating and Plumbing Limited2023
All plumbing and heating companies in Newcastle upon Tyne · All trades in Newcastle upon Tyne · Plumbers and heating engineers across the UK
Frequently asked questions
When are Poseidon Plumbing and Heating Services Ltd's accounts due?
Poseidon Plumbing and Heating Services Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Poseidon Plumbing and Heating Services Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Poseidon Plumbing and Heating Services Ltd still trading?
Poseidon Plumbing and Heating Services 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 Poseidon Plumbing and Heating Services Ltd do?
Poseidon Plumbing and Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Poseidon Plumbing and Heating Services Ltd?
Poseidon Plumbing and Heating Services Ltd was incorporated on 22 June 2021, 5 years ago.
What is the penalty if Poseidon Plumbing and Heating Services 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 Poseidon Plumbing and Heating Services 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.