- Companies
- Plumbers and heating engineers
- Swansea
- 6 Energy Limited
6 Energy Limited
- Company number
- 17223772
- Incorporated
- 15 May 2026
- Registered office
- Ty Caer Wyr Charter Court Phoenix Way, Enterprise Park, Swansea, SA7 9FS
- Nature of business
- Plumbing, heat and air-conditioning installation
6 Energy Limited is a newly incorporated private limited company registered in Swansea, company number 17223772, one of 148 plumbing and heating companies in Swansea. Its next accounts are due at Companies House on 15 February 2028, and its first CT600 is due at HMRC on 14 May 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where 6 Energy Limited is registered
The registered office is in Swansea (SA7), in the Swansea local authority area, Wales. Show SA7 9FS on a map.
Other trade companies in SA7
- Foundry & Co Construction LtdBuilders
- Pops Power Solutions LtdElectricians
- Perfect Roofing and Home Maintenance LimitedRoofers
- Eveo Engineering LtdElectricians
- Performance Bunker Liner LimitedSpecialist contractors
- Swan Roofing LimitedRoofers
- Air Conditioning & Heat Pumps LimitedPlumbers and heating engineers
- Ogm Pristine Cleaning LtdCleaning companies
Also registered at this address
14 other companies use the same registered office as 6 Energy Limited.
- Cambrian House LimitedProperty developers
- Crest Ceilings & Partitions LimitedSpecialist contractors
- FBM Construction LtdProperty developers
- G & C Carpentry LimitedJoiners and carpenters
- G W Richards & Sons Contractors LimitedCivil engineering
- GT Motor Factors Wales LtdMotor traders
- Hudd Utilities LimitedCivil engineering
- Lep Brokerage Services LtdMotor traders
- Llamors LimitedProperty developers
- N&G Building & Roofing Services LtdProperty developers
- Nag Property Services LtdProperty developers
- P.C. Jenkins LimitedPlumbers and heating engineers
- Phelps and Williams LimitedMotor traders
- Swan Tyres LimitedMotor traders
What happens if 6 Energy 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 15 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Feb 2028 to 15 Mar 2028 | £150 |
| 1 to 3 months late | 16 Mar 2028 to 15 May 2028 | £375 |
| 3 to 6 months late | 16 May 2028 to 15 Aug 2028 | £750 |
| More than 6 months late | From 16 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 17223772
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2026
- Registered office
- Ty Caer Wyr Charter Court Phoenix Way, Enterprise Park, Swansea, SA7 9FS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Abertawe Heating & Plumbing Ltd2013
- About Drains Ltd2024
- Air Conditioning & Heat Pumps Limited2026
- Air Source Energy South Wales Limited2022
- Altan Plumbing & Heating Ltd2021
- Amju Gas Plumbing and Heating Ltd2023
- Amroc Heating Services Limited2006
- Antlin Plumbing & Heating Limited2011
All plumbing and heating companies in Swansea · All trades in Swansea · Plumbers and heating engineers across the UK
Frequently asked questions
When are 6 Energy Limited's accounts due?
6 Energy Limited's next accounts are due at Companies House by 15 February 2028 (in 490 days), covering the period to 31 May 2027.
When is 6 Energy Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 14 May 2027, due by 14 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is 6 Energy Limited still trading?
6 Energy 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 6 Energy Limited do?
6 Energy Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is 6 Energy Limited?
6 Energy Limited was incorporated on 15 May 2026, less than a year ago.
What is the penalty if 6 Energy 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 6 Energy 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.