- Companies
- Cleaning companies
- Portsmouth
- Southern Window & General Cleaning Company Limited
Southern Window & General Cleaning Company Limited
- Company number
- 04043154
- Incorporated
- 28 Jul 200026 years trading
- Registered office
- Unit H1 Railway Triangle Industrial Estate, Walton Road, Portsmouth, Hants, PO6 1TN
- Nature of business
- General cleaning of buildings
Southern Window & General Cleaning Company Limited is a 26-year-old private limited company registered in Portsmouth, company number 04043154, one of 112 cleaning companies in Portsmouth. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £14K (+1.9%) on the year before, to £721K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £867K against £190K owed within a year: 4.6 times cover.
- 14 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £721K | £655K | £867K | £190K | 14 |
| 31 Jul 2024 | £707K | £651K | £827K | £163K | 13 |
| 31 Jul 2023 | £651K | £499K | £734K | £132K | 10 |
| 31 Jul 2022 | £560K | £451K | £653K | £120K | 10 |
| 31 Jul 2021 | £483K | £437K | £603K | £120K | 10 |
| 31 Jul 2020 | £467K | £425K | £680K | £201K | 10 |
| 31 Jul 2019 | £442K | £411K | £562K | £111K | |
| 31 Jul 2018 | £366K | £270K | £453K | £113K | |
| 31 Jul 2017 | £366K | £222K | £425K | £98K | |
| 31 Jul 2016 | £414K | £316K | £526K | £155K |
Where Southern Window & General Cleaning Company Limited is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 1TN on a map.
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What happens if Southern Window & General Cleaning Company Limited 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 04043154
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2000 (26 years ago)
- Registered office
- Unit H1 Railway Triangle Industrial Estate, Walton Road, Portsmouth, Hants, PO6 1TN
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 28 July 2026
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Portsmouth
Other active cleaning companies registered in Portsmouth.
- SSH Cleaning Limited1997
- Taylored Cleaning Ltd2024
- The Diverse Cleaning Company South Ltd2009
- TM Scrubz Cleaning Limited2025
- TWC Group Limited2015
- Ultimate FS Ltd2026
- Wicked Hygiene Ltd2025
- 1ST Choice High Level Cleaning & Maintenance Limited2003
All cleaning companies in Portsmouth · All trades in Portsmouth · Cleaning companies across the UK
Frequently asked questions
When are Southern Window & General Cleaning Company Limited's accounts due?
Southern Window & General Cleaning Company Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Southern Window & General Cleaning Company Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Southern Window & General Cleaning Company Limited still trading?
Southern Window & General Cleaning Company Limited 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 Window & General Cleaning Company Limited do?
Southern Window & General Cleaning Company Limited is registered under General cleaning of buildings (SIC 81210).
How old is Southern Window & General Cleaning Company Limited?
Southern Window & General Cleaning Company Limited was incorporated on 28 July 2000, 26 years ago.
What is the penalty if Southern Window & General Cleaning Company Limited 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 Window & General Cleaning Company Limited 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.