- Companies
- Plumbers and heating engineers
- Norwich
- Harco Plumbing and Heating Ltd
Harco Plumbing and Heating Ltd
- Company number
- 12147798
- Incorporated
- 9 Aug 20197 years trading
- Registered office
- Jeravoy Low Street, Sloley, Norwich, NR12 8HD
- Nature of business
- Plumbing, heat and air-conditioning installation
Harco Plumbing and Heating Ltd is a 7-year-old private limited company registered in Norwich, company number 12147798, one of 252 plumbing and heating companies in Norwich. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £37K (-231.8%) on the year before, to -£21K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £15K against £25K owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£21K | £15K | £25K | 1 | |
| 31 Mar 2024 | £16K | £17K | £26K | 1 | |
| 31 Mar 2023 | £25K | £21K | £40K | 1 | |
| 31 Mar 2022 | £5,446 | £35K | £27K | 1 | |
| 31 Mar 2021 | £14K | £14K | £16K | 1 | |
| 31 Mar 2020 | £625 | £3,727 | £5,299 | 1 |
Where Harco Plumbing and Heating Ltd is registered
The registered office is in Norwich (NR12), in the North Norfolk local authority area, East of England. Show NR12 8HD on a map.
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- Ringwood Group LtdFinishing trades
- Wroxham Hand Car Wash LtdCleaning companies
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What happens if Harco Plumbing and Heating 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12147798
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 August 2019 (7 years ago)
- Registered office
- Jeravoy Low Street, Sloley, Norwich, NR12 8HD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 August 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 Norwich
Other active plumbing and heating companies registered in Norwich.
- HB Stoves Ltd2019
- Heat Control Ltd2022
- Heat Different Limited2015
- Heat Norfolk Ltd2003
- Heat Unique Limited2017
- Heatcare BMC Ltd2013
- Heatforce Heating and Plumbing Ltd2026
- Heatlink Services Ltd2017
All plumbing and heating companies in Norwich · All trades in Norwich · Plumbers and heating engineers across the UK
Frequently asked questions
When are Harco Plumbing and Heating Ltd's accounts due?
Harco Plumbing and Heating Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Harco Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Harco Plumbing and Heating Ltd still trading?
Harco Plumbing and Heating 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 Harco Plumbing and Heating Ltd do?
Harco Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Harco Plumbing and Heating Ltd?
Harco Plumbing and Heating Ltd was incorporated on 9 August 2019, 7 years ago.
What is the penalty if Harco Plumbing and Heating 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 Harco Plumbing and Heating 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.