- Companies
- Plumbers and heating engineers
- Swaffham
- JLM Heating Ltd
JLM Heating Ltd
- Company number
- 13769931
- Incorporated
- 29 Nov 20214 years trading
- Registered office
- 14 Lancaster Road, Swaffham, PE37 8GY
- Nature of business
- Plumbing, heat and air-conditioning installation
JLM Heating Ltd is a 4-year-old private limited company registered in Swaffham, company number 13769931, one of 12 plumbing and heating companies in Swaffham. 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 £583 (+8.4%) on the year before, to -£6,373.
- Current assets of £7,808 against £18K owed within a year: 0.4 times cover.
- 2 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 | -£6,373 | £7,808 | £18K | 2 | |
| 31 Mar 2024 | -£6,956 | £9,189 | £21K | 2 | |
| 31 Mar 2023 | -£9,381 | £8,485 | £23K | 2 |
Where JLM Heating Ltd is registered
The registered office is in Swaffham (PE37), in the Breckland local authority area, East of England. Show PE37 8GY on a map.
Other trade companies in PE37
- Kris Group LimitedBuilders
- Rawh Stock LimitedMotor traders
- Codo Leisure LtdMotor traders
- E Briston Plumbing and Heating LimitedPlumbers and heating engineers
- Chimney Sweep Norfolk LtdCleaning companies
- KT Civil & Safety LtdCivil engineering
- Maple Aquatics LtdLandscapers and gardeners
- Eastern Contracts LtdElectricians
What happens if JLM 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
- 13769931
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 November 2021 (4 years ago)
- Registered office
- 14 Lancaster Road, Swaffham, PE37 8GY
- 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
- 28 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 Swaffham
Other active plumbing and heating companies registered in Swaffham.
- Kevin Moulton Heating, Plumbing & Bathrooms Limited2010
- P Dennis Limited2002
- Phoenix Heating and Plumbing (Norfolk) Limited2026
- Prestige Plumbing and Heating (Norfolk) Ltd2017
- RDS Stove Installations Limited2024
- Beel's Plumbing and Heating Limited2023
- E Briston Plumbing and Heating Limited2026
- Garner Stove Services Ltd2011
All plumbing and heating companies in Swaffham · All trades in Swaffham · Plumbers and heating engineers across the UK
Frequently asked questions
When are JLM Heating Ltd's accounts due?
JLM Heating Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is JLM 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 JLM Heating Ltd still trading?
JLM 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 JLM Heating Ltd do?
JLM Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JLM Heating Ltd?
JLM Heating Ltd was incorporated on 29 November 2021, 4 years ago.
What is the penalty if JLM 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 JLM 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.