- Companies
- Installers
- Dartford
- SJM Renewables (Southeast) Ltd
SJM Renewables (Southeast) Ltd
- Company number
- 14139312
- Incorporated
- 29 May 20224 years trading
- Registered office
- 8 Twisleton Court, Priory Hill, Dartford, Kent, DA1 2EN
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.
SJM Renewables (Southeast) Ltd is a 4-year-old private limited company registered in Dartford, company number 14139312, one of 80 installation companies (insulation, lifts, shutters and similar) in Dartford. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £1,015 (+12.5%) on the year before, to £9,148.
- Current assets of £63K against £56K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £9,148 | £63K | £56K | 2 | |
| 31 May 2024 | £8,133 | £92K | £85K | 2 | |
| 31 May 2023 | £336 | £3,470 | £3,136 | 2 |
Where SJM Renewables (Southeast) Ltd is registered
The registered office is in Dartford (DA1), in the Dartford local authority area, South East. Show DA1 2EN on a map.
Other trade companies in DA1
- Unit 6 Bespoke LtdSpecialist contractors
- Smartlifting LtdBuilders
- Degrees Bespoke Finishes LtdPlasterers
- A & A Electrical and Refrigeration LtdBuilders
- Elm Servicing LtdMachinery repair and installation
- WND Refrigeration LimitedPlumbers and heating engineers
- Moore Flooring and Sons LtdFloor and wall tilers
- Kinergy Systems LtdElectricians
Shared registered office
50 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if SJM Renewables (Southeast) 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14139312
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 May 2022 (4 years ago)
- Registered office
- 8 Twisleton Court, Priory Hill, Dartford, Kent, DA1 2EN
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 28 May 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Dartford
Other active installation companies (insulation, lifts, shutters and similar) registered in Dartford.
- Skyklass Limited2009
- Southern Automatic Gate Systems Limited2012
- SP Ductwork Limited2025
- Stage Left Services Ltd2022
- Stairways Solutions Ltd2025
- Steve Lewis Building Services Limited2014
- Sundara PVT Ltd2019
- Target Everist Ltd2021
All installation companies (insulation, lifts, shutters and similar) in Dartford · All trades in Dartford · Installers across the UK
Frequently asked questions
When are SJM Renewables (Southeast) Ltd's accounts due?
SJM Renewables (Southeast) Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is SJM Renewables (Southeast) Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is SJM Renewables (Southeast) Ltd still trading?
SJM Renewables (Southeast) 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 SJM Renewables (Southeast) Ltd do?
SJM Renewables (Southeast) Ltd is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is SJM Renewables (Southeast) Ltd?
SJM Renewables (Southeast) Ltd was incorporated on 29 May 2022, 4 years ago.
What is the penalty if SJM Renewables (Southeast) 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 SJM Renewables (Southeast) 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.