- Company number
- 06424481
- Incorporated
- 12 Nov 200718 years trading
- Registered office
- 12 Hatherley Road, Sidcup, Kent, DA14 4DT
- Nature of business
- Construction of domestic buildings
M L Southern Limited is a 18-year-old private limited company registered in Sidcup, company number 06424481, one of 117 building contractors in Sidcup. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 (+37%) on the year before, to £52K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £105K against £101K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- 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 Nov 2025 | £52K | £105K | £105K | £101K | 1 |
| 30 Nov 2024 | £38K | £80K | £80K | £46K | 1 |
| 30 Nov 2023 | £28K | £68K | £70K | £62K | 1 |
| 30 Nov 2022 | £6,926 | £68K | £71K | £64K | 1 |
| 30 Nov 2021 | £6,596 | £60K | £61K | £54K | 1 |
| 30 Nov 2020 | £6,042 | £31K | £31K | £37K | 1 |
| 30 Nov 2019 | £2,507 | £14K | £14K | £17K | 1 |
| 30 Nov 2018 | £1,237 | £5,804 | £10K | £15K | 1 |
| 30 Nov 2017 | £231 | £12K | £14K | £19K | 1 |
| 30 Nov 2016 | £1,821 | £18K | £19K | £21K | 1 |
Where M L Southern Limited is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 4DT on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
Shared registered office
427 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 M L Southern 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 06424481
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 November 2007 (18 years ago)
- Registered office
- 12 Hatherley Road, Sidcup, Kent, DA14 4DT
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 12 November 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Sidcup
Other active building contractors registered in Sidcup.
- Manor Green Developments Limited2023
- Marid Ltd2023
- Mark1@Site Solutions Limited2016
- Master Magic Ltd2025
- MCN Prestige Services Ltd2021
- New Look Building Solutions Limited2016
- Nova Building, Renovations and Scaffolding Ltd2026
- Obc London Limited2009
All building contractors in Sidcup · All trades in Sidcup · Builders across the UK
Frequently asked questions
When are M L Southern Limited's accounts due?
M L Southern Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is M L Southern Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is M L Southern Limited still trading?
M L Southern 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 M L Southern Limited do?
M L Southern Limited is registered under Construction of domestic buildings (SIC 41202).
How old is M L Southern Limited?
M L Southern Limited was incorporated on 12 November 2007, 18 years ago.
What is the penalty if M L Southern 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 M L Southern 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.