- Companies
- Plumbers and heating engineers
- Portsmouth
- Eco Heating (Southern) Ltd
Eco Heating (Southern) Ltd
- Company number
- 13045688
- Incorporated
- 26 Nov 20205 years trading
- Registered office
- 350-352 London Road, Portsmouth, PO2 9JY
- Nature of business
- Plumbing, heat and air-conditioning installation
Eco Heating (Southern) Ltd is a 5-year-old private limited company registered in Portsmouth, company number 13045688, one of 141 plumbing and heating companies in Portsmouth. Companies House shows its accounts as overdue: they were due on 31 August 2026.
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 up £3,119 (+6.9%) on the year before, to £48K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £60K against £15K owed within a year: 4.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £48K | £60K | £15K | 1 | |
| 30 Nov 2023 | £45K | £49K | £11K | 1 | |
| 30 Nov 2022 | £30K | £34K | £13K | 1 | |
| 30 Nov 2021 | £372 | £19K | £29K | 1 |
Where Eco Heating (Southern) Ltd is registered
The registered office is in Portsmouth (PO2), in the Portsmouth local authority area, South East. Show PO2 9JY on a map.
Other trade companies in PO2
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- Novira Automotive LtdMotor traders
- Tony Parrack Fire Protection LtdSpecialist contractors
- Bmgcarpentry LtdJoiners and carpenters
- LLPG Carpentry LtdBuilders
- Xyz Developments LtdProperty developers
- Eco Amend Maintenance Service LtdFinishing trades
- Manila Haulage LtdMechanics and garages
Shared registered office
54 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Eco Heating (Southern) Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 13045688
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 November 2020 (5 years ago)
- Registered office
- 350-352 London Road, Portsmouth, PO2 9JY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 25 November 2025
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 Portsmouth
Other active plumbing and heating companies registered in Portsmouth.
- Eco Sun Solutions Ltd2023
- Environmental Projects Southern Limited2010
- Fast Flow Gas Services Limited2013
- FH FM Ltd2025
- FH Group (South) Ltd2019
- Finch Gas Services Ltd2008
- Fosters Gas & Heating Ltd2014
- Gary Lovejoy Gas & Heating Services Ltd2023
All plumbing and heating companies in Portsmouth · All trades in Portsmouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Eco Heating (Southern) Ltd's accounts due?
Eco Heating (Southern) Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is Eco Heating (Southern) Ltd's CT600 due?
The CT600 for the period to 30 November 2025 is due at HMRC by 30 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2026.
Is Eco Heating (Southern) Ltd still trading?
Eco Heating (Southern) Ltd is listed as active on the Companies House register (checked 13 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 Eco Heating (Southern) Ltd do?
Eco Heating (Southern) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Eco Heating (Southern) Ltd?
Eco Heating (Southern) Ltd was incorporated on 26 November 2020, 5 years ago.
What is the penalty if Eco Heating (Southern) 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 Eco Heating (Southern) Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.