- Companies
- Finishing trades
- Lewes
- Southern Platforms Ltd
Southern Platforms Ltd
- Company number
- 12255134
- Incorporated
- 10 Oct 20197 years trading
- Registered office
- 27 Allington Crescent, Newick, Lewes, BN8 4NT
- Nature of business
- Other building completion and finishing; Renting and leasing of construction and civil engineering machinery and equipment; Combined facilities support activities
Southern Platforms Ltd is a 7-year-old private limited company registered in Lewes, company number 12255134, one of 11 building finishing companies in Lewes. 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 £8,858 (+130.7%) on the year before, to £16K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £37K against £20K owed within a year: 1.9 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £16K | £37K | £20K | 1 | |
| 31 Oct 2024 | £6,779 | £30K | £24K | 2 | |
| 31 Oct 2023 | -£13K | £21K | £26K | 3 | |
| 31 Oct 2022 | £1,052 | £34K | £24K | 2 | |
| 31 Oct 2021 | -£4,324 | £17K | £8,088 | 2 | |
| 31 Oct 2020 | -£7,175 | £40K | £34K | 1 |
Where Southern Platforms Ltd is registered
The registered office is in Lewes (BN8), in the Lewes local authority area, South East. Show BN8 4NT on a map.
Other trade companies in BN8
- Hythe Springs LtdProperty developers
- Chased HQ LtdMotor traders
- School Lane (Welwyn) LtdProperty developers
- L-Plate Motors LtdMotor traders
- Lewes Home Builds LtdBuilders
- Work Smart Group LtdBuilders
- Bay Drylining LtdInstallers
- Hollytree Close Holdings LimitedProperty developers
What happens if Southern Platforms 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
- 12255134
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 October 2019 (7 years ago)
- Registered office
- 27 Allington Crescent, Newick, Lewes, BN8 4NT
- Nature of business
- Other building completion and finishing (SIC 43390)
Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320)
Combined facilities support activities (SIC 81100) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 9 October 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Lewes
Other active building finishing companies registered in Lewes.
- Unearthed Build Ltd2023
- Article Design Studio Limited2015
- Chris Dowling Limited2013
- DK Renovation Ltd2018
- Go Pest Limited2006
- Greenworkforce Handyman Services Ltd2011
- Marsh & Baxter Properties Limited2001
- My Glass Group Limited2023
All building finishing companies in Lewes · All trades in Lewes · Finishing trades across the UK
Frequently asked questions
When are Southern Platforms Ltd's accounts due?
Southern Platforms 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 Southern Platforms 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 Southern Platforms Ltd still trading?
Southern Platforms 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 Southern Platforms Ltd do?
Southern Platforms Ltd is registered under Other building completion and finishing (SIC 43390); Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320); Combined facilities support activities (SIC 81100).
How old is Southern Platforms Ltd?
Southern Platforms Ltd was incorporated on 10 October 2019, 7 years ago.
What is the penalty if Southern Platforms 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 Southern Platforms 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.