- Companies
- Electricians
- Caldicot
- Carbon Neutral Systems Ltd
Carbon Neutral Systems Ltd
- Company number
- 12506692
- Incorporated
- 9 Mar 20206 years trading
- Registered office
- Unit 4 Bentley Green Farm, Crick, Caldicot, Gwent, NP26 5UT
- Nature of business
- Electrical installation
Carbon Neutral Systems Ltd is a 6-year-old private limited company registered in Caldicot, company number 12506692, one of 7 electrical contractors in Caldicot. 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 down £1,797 (-1.9%) on the year before, to £91K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £169K against £100K owed within a year: 1.7 times cover.
- 5 employees on average, down from 6 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £91K | £96K | £169K | £100K | 5 |
| 31 Mar 2024 | £93K | £78K | £180K | £143K | 6 |
| 31 Mar 2023 | £59K | £123K | £206K | £165K | 6 |
| 31 Mar 2022 | £40K | £91K | £121K | £74K | 4 |
| 31 Mar 2021 | £30K | £32K | £42K | £22K | 4 |
Who runs and owns Carbon Neutral Systems Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** A*** | Director | Mar 2020 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| M*** A*** | Director | Mar 2020 | May 2024 |
| E*** H*** | Director | Jul 2021 | May 2024 |
Person with significant control
Where Carbon Neutral Systems Ltd is registered
The registered office is in Caldicot (NP26), in the Monmouthshire local authority area, Wales. Show NP26 5UT on a map.
Other trade companies in NP26
- Katherine Anthony Investments LtdSpecialist contractors
- D and C Property Solutions (Newport) LtdBuilders
- HDF Construction & Development LtdProperty developers
- Hines Auto Group LtdMotor traders
- PD Electrics LtdElectricians
- Construction Quality Services LtdCivil engineering
- Cockeram Contractors LtdSpecialist contractors
- Undy Motor Services LimitedMechanics and garages
What happens if Carbon Neutral Systems 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
- 12506692
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2020 (6 years ago)
- Registered office
- Unit 4 Bentley Green Farm, Crick, Caldicot, Gwent, NP26 5UT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 June 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Caldicot
Other active electrical contractors registered in Caldicot.
- David Croft Electrical Ltd2019
- H&H Electrical Contractors (SW) Ltd2025
- PD Electrics Ltd2026
- S Tech Electrical Services Ltd2025
- 2JF Electrical Ltd2022
- A & L Electrical Solutions Limited2017
All electrical contractors in Caldicot · All trades in Caldicot · Electricians across the UK
Frequently asked questions
When are Carbon Neutral Systems Ltd's accounts due?
Carbon Neutral Systems 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 Carbon Neutral Systems 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 Carbon Neutral Systems Ltd still trading?
Carbon Neutral Systems 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 Carbon Neutral Systems Ltd do?
Carbon Neutral Systems Ltd is registered under Electrical installation (SIC 43210).
How old is Carbon Neutral Systems Ltd?
Carbon Neutral Systems Ltd was incorporated on 9 March 2020, 6 years ago.
Who runs Carbon Neutral Systems Ltd?
Carbon Neutral Systems Ltd has 1 active director, the longest-serving appointed in Mar 2020. Their names and service addresses are on the Companies House register.
Who owns Carbon Neutral Systems Ltd?
One person or company has significant control of Carbon Neutral Systems Ltd: an individual (owns 50% to 75% of the shares).
What is the penalty if Carbon Neutral Systems 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 Carbon Neutral Systems 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.