- Companies
- Plumbers and heating engineers
- Buntingford
- One Company Heating Limited
One Company Heating Limited
- Company number
- 13971960
- Incorporated
- 11 Mar 20224 years trading
- Registered office
- Mutfords, Hare Street, Buntingford, SG9 0ED
- Nature of business
- Plumbing, heat and air-conditioning installation
One Company Heating Limited is a 4-year-old private limited company registered in Buntingford, company number 13971960, one of 7 plumbing and heating companies in Buntingford. 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 up £772 (+42.8%) on the year before, to £2,577.
- Current assets of £17K against £21K owed within a year: 0.8 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £2,577 | £17K | £21K | 3 | |
| 31 Mar 2024 | £1,805 | £19K | £32K | 3 | |
| 31 Mar 2023 | £1,136 | £8,421 | £30K | 3 |
Where One Company Heating Limited is registered
The registered office is in Buntingford (SG9), in the East Hertfordshire local authority area, East of England. Show SG9 0ED on a map.
Other trade companies in SG9
- WMM Engineering LimitedMachinery repair and installation
- Bigger Builds LtdBuilders
- Carr Trade LtdMotor traders
- Hare Construction LimitedBuilders
- Apex Shading Solutions LtdInstallers
- Meister Vehicle Sales LimitedMotor traders
- Dzus LtdMotor traders
- Crowngate Construction LtdBuilders
Shared registered office
37 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 One Company Heating Limited 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
- 13971960
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2022 (4 years ago)
- Registered office
- Mutfords, Hare Street, Buntingford, SG9 0ED
- 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
- 10 March 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 Buntingford
Other active plumbing and heating companies registered in Buntingford.
- WR Shambrook Services Ltd2013
- Cavendish Plumbing Heating and Gas Ltd2022
- CMM Plumbing and Heating Ltd2024
- Finesse UK Plumbing & Heating Ltd2021
- Hutch&Son Plumbing & Heating Limited2013
- Ian Bray Plumbing & Heating Limited2003
All plumbing and heating companies in Buntingford · All trades in Buntingford · Plumbers and heating engineers across the UK
Frequently asked questions
When are One Company Heating Limited's accounts due?
One Company Heating Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is One Company Heating Limited'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 One Company Heating Limited still trading?
One Company Heating Limited 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 One Company Heating Limited do?
One Company Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is One Company Heating Limited?
One Company Heating Limited was incorporated on 11 March 2022, 4 years ago.
What is the penalty if One Company Heating Limited 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 One Company Heating Limited 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.