- Companies
- Plumbers and heating engineers
- Swansea
- JJL Energy Services Ltd
JJL Energy Services Ltd
- Company number
- 15557081
- Incorporated
- 12 Mar 20242 years trading
- Registered office
- 16 Plas Road, Pontardawe, Swansea, SA8 3HD
- Nature of business
- Plumbing, heat and air-conditioning installation
JJL Energy Services Ltd is a 2-year-old private limited company registered in Swansea, company number 15557081, one of 148 plumbing and heating companies in Swansea. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where JJL Energy Services Ltd is registered
The registered office is in Swansea (SA8), in the Neath Port Talbot local authority area, Wales. Show SA8 3HD on a map.
Other trade companies in SA8
- Pontardawe Hand Car Wash LtdCleaning companies
- BM Carpentry Solutions LimitedJoiners and carpenters
- MS Julian Building Services LimitedProperty developers
- 2MR Property LtdProperty developers
- Davies Groundworks and Construction LtdBuilders
- NJH Car Sales LimitedMotor traders
- The Cleaning Signature LimitedCleaning companies
- Olitill Property Development LtdProperty developers
What happens if JJL Energy Services 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
- 15557081
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2024 (2 years ago)
- Registered office
- 16 Plas Road, Pontardawe, Swansea, SA8 3HD
- 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
- 22 September 2026
- Previous names
- JJL Plumbing & Heating Ltd (until 14 Mar 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 Swansea
Other active plumbing and heating companies registered in Swansea.
- JK Home Comforts Ltd2026
- JMG Plumbing & Heating Limited2018
- JMW Heating and Plumbing Limited2016
- JNC Interiors Kitchens & Bathrooms Ltd2022
- JPM Plumbing and Heating Ltd2026
- JSM Mechanicals Ltd2025
- JTR Plumbing Services Ltd2024
- Just in Time Plumbing, Heating & Building Services Limited2006
All plumbing and heating companies in Swansea · All trades in Swansea · Plumbers and heating engineers across the UK
Frequently asked questions
When are JJL Energy Services Ltd's accounts due?
JJL Energy Services 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 JJL Energy Services 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 JJL Energy Services Ltd still trading?
JJL Energy Services 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 JJL Energy Services Ltd do?
JJL Energy Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JJL Energy Services Ltd?
JJL Energy Services Ltd was incorporated on 12 March 2024, 2 years ago.
What is the penalty if JJL Energy Services 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 JJL Energy Services 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.