- Companies
- Electricians
- Blackwood
- South Wales Solar and Battery Ltd
South Wales Solar and Battery Ltd
- Company number
- 14431521
- Incorporated
- 20 Oct 20223 years trading
- Registered office
- 42 Bryn Road, Markham, Blackwood, NP12 0QB
- Nature of business
- Electrical installation
South Wales Solar and Battery Ltd is a 3-year-old private limited company registered in Blackwood, company number 14431521, one of 20 electrical contractors in Blackwood. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £3,092 (-47.1%) on the year before, to £3,474.
- Current assets of £4,993 against £1,519 owed within a year: 3.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £3,474 | £3,885 | £4,993 | £1,519 | 0 |
| 31 Mar 2025 | £6,566 | £6,132 | £10K | £3,579 | 0 |
| 31 Mar 2024 | £242 | £6,270 | £11K | £11K | 0 |
Where South Wales Solar and Battery Ltd is registered
The registered office is in Blackwood (NP12), in the Caerphilly local authority area, Wales. Show NP12 0QB on a map.
Other trade companies in NP12
- Hohm Property Group LtdProperty developers
- R&C Mechanics LimitedMechanics and garages
- M & R Property Solutions (SW) LimitedFinishing trades
- JLH Scaffolding LtdScaffolders
- SM Contracting SW LtdBuilders
- Top Notch Carpentry Services LimitedInstallers
- Cardiff Bathrooms LtdFinishing trades
- CB Brickwork & Building LtdSpecialist contractors
What happens if South Wales Solar and Battery 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14431521
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 October 2022 (3 years ago)
- Registered office
- 42 Bryn Road, Markham, Blackwood, NP12 0QB
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 19 October 2025
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 Blackwood
Other active electrical contractors registered in Blackwood.
- Taylour Electrical Ltd2024
- The Full Ev Ltd2022
- TRG Electrical Ltd2025
- 2 Core Contracts Ltd2020
- B.E.S.T. Electrical Limited2003
- Chargtech Ltd2023
- Chris the Spark Ltd2024
- Clock Tower Estates Limited2005
All electrical contractors in Blackwood · All trades in Blackwood · Electricians across the UK
Frequently asked questions
When are South Wales Solar and Battery Ltd's accounts due?
South Wales Solar and Battery Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is South Wales Solar and Battery Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is South Wales Solar and Battery Ltd still trading?
South Wales Solar and Battery 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 South Wales Solar and Battery Ltd do?
South Wales Solar and Battery Ltd is registered under Electrical installation (SIC 43210).
How old is South Wales Solar and Battery Ltd?
South Wales Solar and Battery Ltd was incorporated on 20 October 2022, 3 years ago.
What is the penalty if South Wales Solar and Battery 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 South Wales Solar and Battery 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.