- Companies
- Plumbers and heating engineers
- Northampton
- Johnsons Plumbing and Heating Ltd
Johnsons Plumbing and Heating Ltd
- Company number
- 12393687
- Incorporated
- 9 Jan 20206 years trading
- Registered office
- 9 Lady Winefrides Walk, Great Billing, Northampton, NN3 9EE
- Nature of business
- Plumbing, heat and air-conditioning installation
Johnsons Plumbing and Heating Ltd is a 6-year-old private limited company registered in Northampton, company number 12393687, one of 197 plumbing and heating companies in Northampton. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £19K (-199.2%) on the year before, to -£28K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £41K against £79K owed within a year: 0.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£28K | £41K | £79K | 0 | |
| 31 Jan 2024 | -£9,456 | £31K | £51K | 4 | |
| 31 Jan 2023 | -£7,733 | £7,961 | £27K | 1 | |
| 31 Jan 2022 | £4,193 | £6,776 | £20K | 0 |
Who runs and owns Johnsons Plumbing and Heating Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** J*** | Director | Jan 2020 |
Person with significant control
Where Johnsons Plumbing and Heating Ltd is registered
The registered office is in Northampton (NN3), in the West Northamptonshire local authority area, East Midlands. Show NN3 9EE on a map.
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What happens if Johnsons 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 12393687
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 January 2020 (6 years ago)
- Registered office
- 9 Lady Winefrides Walk, Great Billing, Northampton, NN3 9EE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 22 December 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 Northampton
Other active plumbing and heating companies registered in Northampton.
- JP Chapman Services Ltd2021
- JP Plumbing & Drainage Ltd2011
- JRJ Plumbing & Heating Limited2019
- JS Installations Ltd2025
- Kern Controls Limited2026
- Key to Plumbing Ltd2021
- Lee Mynard Limited2019
- Lionheart Ac Ltd2024
All plumbing and heating companies in Northampton · All trades in Northampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Johnsons Plumbing and Heating Ltd's accounts due?
Johnsons Plumbing and Heating Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Johnsons Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Johnsons Plumbing and Heating Ltd still trading?
Johnsons Plumbing and Heating 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 Johnsons Plumbing and Heating Ltd do?
Johnsons Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Johnsons Plumbing and Heating Ltd?
Johnsons Plumbing and Heating Ltd was incorporated on 9 January 2020, 6 years ago.
Who runs Johnsons Plumbing and Heating Ltd?
Johnsons Plumbing and Heating Ltd has 1 active director, the longest-serving appointed in Jan 2020. Their names and service addresses are on the Companies House register.
Who owns Johnsons Plumbing and Heating Ltd?
One person or company has significant control of Johnsons Plumbing and Heating Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Johnsons 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 Johnsons 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). 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.