- Companies
- Plumbers and heating engineers
- Barnsley
- Pure Atom Energy Ltd
Pure Atom Energy Ltd
- Company number
- 13706149
- Incorporated
- 27 Oct 20214 years trading
- Registered office
- Unit 5 Wortley Court Fall Bank Industrial Estate, Dodworth, Barnsley, S75 3LS
- Nature of business
- Plumbing, heat and air-conditioning installation
Pure Atom Energy Ltd is a 4-year-old private limited company registered in Barnsley, company number 13706149, one of 123 plumbing and heating companies in Barnsley. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £145K (+290.5%) on the year before, to £195K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £614K against £431K owed within a year: 1.4 times cover.
- 11 employees on average, up from 4 the year before.
- 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 Oct 2025 | £195K | £614K | £431K | 11 | |
| 31 Oct 2024 | £50K | £62K | £285K | £177K | 4 |
| 31 Oct 2023 | -£30K | £36K | £11K | 0 | |
| 31 Oct 2022 | -£32K | £24K | £4,187 | 0 |
Where Pure Atom Energy Ltd is registered
The registered office is in Barnsley (S75), in the Barnsley local authority area, Yorkshire and The Humber. Show S75 3LS on a map.
Other trade companies in S75
- DMF LtdPlumbers and heating engineers
- Lee England Garage Doors LtdFinishing trades
- Top Spec Plastering and Rendering LtdPlasterers
- Mapp Motors LtdMechanics and garages
- Rspstore LtdMotor traders
- A-Side Boilers LtdInstallers
- Barnbrook Landscaping LtdLandscapers and gardeners
- North Park (Woolley) LimitedProperty developers
Also registered at this address
1 other company uses the same registered office as Pure Atom Energy Ltd.
- WCT Smart Utility Services LimitedElectricians
What happens if Pure Atom Energy 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 13706149
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 October 2021 (4 years ago)
- Registered office
- Unit 5 Wortley Court Fall Bank Industrial Estate, Dodworth, Barnsley, S75 3LS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 26 October 2025
- Previous names
- Plant Renewables Ltd (until 12 Nov 2021)
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 Barnsley
Other active plumbing and heating companies registered in Barnsley.
- R & L Plumbing Limited2003
- R C Plumbing & Heating Services Ltd2017
- R White Plumbing & Heating Ltd2026
- R&J Gas Services Ltd2026
- R.D Renewable Energy Services Ltd2023
- Rah Plumbing & Heating Engineer Limited2026
- RG Gas Services Ltd2025
- RG23 Group Ltd2022
All plumbing and heating companies in Barnsley · All trades in Barnsley · Plumbers and heating engineers across the UK
Frequently asked questions
When are Pure Atom Energy Ltd's accounts due?
Pure Atom Energy Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Pure Atom Energy Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Pure Atom Energy Ltd still trading?
Pure Atom Energy 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 Pure Atom Energy Ltd do?
Pure Atom Energy Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Pure Atom Energy Ltd?
Pure Atom Energy Ltd was incorporated on 27 October 2021, 4 years ago.
What is the penalty if Pure Atom Energy 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 Pure Atom Energy 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.