- Companies
- Civil engineering
- London
- Sebelli Ltd
Sebelli Ltd
- Company number
- 12295502
- Incorporated
- 4 Nov 20196 years trading
- Registered office
- Studio 28 Action House, 53 Sandgate Street, London, SE15 1LE
- Nature of business
- Construction of railways and underground railways
Sebelli Ltd is a 6-year-old private limited company registered in London, company number 12295502, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 £1,185 (+65.3%) on the year before, to £3,000.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £16K against £1 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £3,000 | £16K | £1 | 0 | |
| 30 Nov 2023 | £1,815 | £22K | £3,771 | 0 | |
| 30 Nov 2022 | £625 | £28K | £3,770 | 0 | |
| 30 Nov 2021 | £303 | £30K | £123 | 1 | |
| 30 Nov 2020 | £3,913 | £39K | £5,450 | 1 |
Where Sebelli Ltd is registered
The registered office is in London (SE15), in the Southwark local authority area, London. Show SE15 1LE on a map.
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What happens if Sebelli 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 12295502
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 November 2019 (6 years ago)
- Registered office
- Studio 28 Action House, 53 Sandgate Street, London, SE15 1LE
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 3 November 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- Segunmic Private Compay Limited2026
- Sehmi & Sons (Builder Merchants) Limited2009
- Selina Rail Ltd2025
- Sence International Trade Ltd2020
- Sergiu Fasttrack Excavation Ltd2025
- Sevendeniz Ltd2019
- Sevengineering Consultancy Ltd2021
- Sevo Ltd2003
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Sebelli Ltd's accounts due?
Sebelli Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Sebelli Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sebelli Ltd still trading?
Sebelli 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 Sebelli Ltd do?
Sebelli Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Sebelli Ltd?
Sebelli Ltd was incorporated on 4 November 2019, 6 years ago.
What is the penalty if Sebelli 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 Sebelli 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.