- Companies
- Machinery repair and installation
- Gravesend
- CSL Power Systems Ltd
CSL Power Systems Ltd
- Company number
- 04079439
- Incorporated
- 27 Sep 200026 years trading
- Registered office
- The Apple Store Swillers Lane, Shorne, Gravesend, DA12 3ED
- Nature of business
- Installation of industrial machinery and equipment; Renting and leasing of other machinery, equipment and tangible goods n.e.c.
CSL Power Systems Ltd is a 26-year-old private limited company registered in Gravesend, company number 04079439, one of 54 machinery repair and installation companies in Gravesend. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £49K (-2.2%) on the year before, to £2.2M.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £1.6M against £752K owed within a year: 2.1 times cover.
- 15 employees on average, up from 13 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £2.2M | £281K | £1.6M | £752K | 15 |
| 30 Sep 2024 | £2.2M | £611K | £1.9M | £1M | 13 |
| 30 Sep 2023 | £2.1M | £1M | £2.2M | £1.1M | 12 |
| 30 Sep 2022 | £1.4M | £840K | £1.5M | £867K | 9 |
| 30 Sep 2021 | £710K | £186K | £644K | £711K | 9 |
| 30 Sep 2020 | £731K | £274K | £602K | £639K | 11 |
| 30 Sep 2019 | £1.1M | £171K | £611K | £595K | 14 |
| 30 Sep 2018 | £1.2M | £104K | £541K | £642K | |
| 30 Sep 2017 | £1.1M | £233K | £457K | £431K | |
| 30 Sep 2016 | £406K | £214K | £480K | £402K |
Where CSL Power Systems Ltd is registered
The registered office is in Gravesend (DA12), in the Gravesham local authority area, South East. Show DA12 3ED on a map.
Other trade companies in DA12
- Kirkdale Construction Maintenance LimitedProperty developers
- Mech Elec LtdSpecialist contractors
- Ground Forces Construct LtdBuilders
- XL@Cleaning LimitedCleaning companies
- Signature Group Air Conditioning LtdPlumbers and heating engineers
- VS Sekhon LtdFloor and wall tilers
- Kapoor Construction LtdBuilders
- Double D Maintain LtdSpecialist contractors
What happens if CSL Power 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 04079439
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2000 (26 years ago)
- Registered office
- The Apple Store Swillers Lane, Shorne, Gravesend, DA12 3ED
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
Renting and leasing of other machinery, equipment and tangible goods n.e.c. (SIC 77390) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 27 September 2025
- Charges (mortgages)
- 4 outstanding of 4 registered
- Previous names
- CSL Installations Limited (until 20 Feb 2015)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Gravesend
Other active machinery repair and installation companies registered in Gravesend.
- Daniel Repairs Limited2021
- Davies Global Services Ltd2013
- DGJ Tech Ltd2024
- Dja Technical Services Ltd2017
- Dynamic Lift Services Ltd2013
- Ecoaire Ltd2012
- Gemwest Cranes Limited2010
- In Sync Generators Ltd2023
All machinery repair and installation companies in Gravesend · All trades in Gravesend · Machinery repair and installation across the UK
Frequently asked questions
When are CSL Power Systems Ltd's accounts due?
CSL Power Systems Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is CSL Power Systems Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is CSL Power Systems Ltd still trading?
CSL Power Systems Ltd is listed as active on the Companies House register (checked 12 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 CSL Power Systems Ltd do?
CSL Power Systems Ltd is registered under Installation of industrial machinery and equipment (SIC 33200); Renting and leasing of other machinery, equipment and tangible goods n.e.c. (SIC 77390).
How old is CSL Power Systems Ltd?
CSL Power Systems Ltd was incorporated on 27 September 2000, 26 years ago.
What is the penalty if CSL Power 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 CSL Power Systems Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.