- Companies
- Groundworks and demolition
- Dover
- Marnian South East Limited
Marnian South East Limited
- Company number
- 11922544
- Incorporated
- 3 Apr 20197 years trading
- Registered office
- 47 Castle Street, Dover, CT16 1PT
- Nature of business
- Site preparation
Marnian South East Limited is a 7-year-old private limited company registered in Dover, company number 11922544, one of 7 groundworks and demolition companies in Dover. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Marnian South East LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £30K (+347.2%) on the year before, to £21K.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £5,656 against £27K owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £21K | £5,656 | £27K | 1 | |
| 31 Mar 2025 | -£8,637 | £3,990 | £13K | 1 | |
| 31 Mar 2024 | £241 | £5,019 | £4,778 | 1 | |
| 31 Mar 2023 | £64 | £1,869 | £1,805 | 1 | |
| 31 Mar 2022 | £122 | £3,030 | £2,908 | 1 | |
| 31 Mar 2021 | £300 | £4,286 | £3,986 | 1 | |
| 31 Mar 2020 | £445 | £6,228 | £5,783 | 1 |
Who runs and owns Marnian South East Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| I*** P*** | Director | Apr 2019 |
Person with significant control
Where Marnian South East Limited is registered
The registered office is in Dover (CT16), in the Dover local authority area, South East. Show CT16 1PT on a map.
Other trade companies in CT16
- Mobile Tyre Fitting Rescue LtdMechanics and garages
- L S Motors Vram LtdMechanics and garages
- DR Alter Fashion & Tailoring LtdRepair services
- K&W Dry Lining Solutions LtdSpecialist contractors
- Four Seasons Spaces LtdProperty developers
- My Window Fitter (Iow) LtdJoiners and carpenters
- S.Norley Holdings LtdBuilders
- Biobuild Systems LtdProperty developers
Shared registered office
26 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 Marnian South East 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 11922544
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 April 2019 (7 years ago)
- Registered office
- 47 Castle Street, Dover, CT16 1PT
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 2 April 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Dover
Other active groundworks and demolition companies registered in Dover.
- B Lane Commercial Works Limited2023
- B. Lane Groundwork and Landscaping Contractors Ltd2021
- Chunnel Plant Hire and Contractors Limited1973
- Dover Demolition Limited2010
- Eastry Civil Engineering Ltd2025
- Landtech South East Limited2007
All groundworks and demolition companies in Dover · All trades in Dover · Groundworks and demolition across the UK
Frequently asked questions
When are Marnian South East Limited's accounts due?
Marnian South East Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Marnian South East Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Marnian South East Limited still trading?
Marnian South East 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 Marnian South East Limited do?
Marnian South East Limited is registered under Site preparation (SIC 43120).
How old is Marnian South East Limited?
Marnian South East Limited was incorporated on 3 April 2019, 7 years ago.
Who runs Marnian South East Limited?
Marnian South East Limited has 1 active director, the longest-serving appointed in Apr 2019. Their names and service addresses are on the Companies House register.
Who owns Marnian South East Limited?
One person or company has significant control of Marnian South East Limited: an individual (owns 75% or more of the shares).
What is the penalty if Marnian South East 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 Marnian South East 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.