- Companies
- Civil engineering
- Beckenham
- Se20 Construction Limited
Se20 Construction Limited
- Company number
- 13840557
- Incorporated
- 11 Jan 20224 years trading
- Registered office
- 4 Stanhope Grove, Beckenham, Kent, BR3 3JB
- Nature of business
- Construction of other civil engineering projects n.e.c.
Se20 Construction Limited is a 4-year-old private limited company registered in Beckenham, company number 13840557, one of 21 civil engineering contractors in Beckenham. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
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 Se20 Construction 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 down £6,186 (-34.3%) on the year before, to -£24K.
- Current assets of £867 against £26K owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£24K | £321 | £867 | £26K | 0 |
| 31 Jan 2024 | -£18K | £316 | £5,566 | £25K | 1 |
| 31 Jan 2023 | -£16K | £448 | £6,309 | £24K | 1 |
Where Se20 Construction Limited is registered
The registered office is in Beckenham (BR3), in the Bromley local authority area, London. Show BR3 3JB on a map.
Other trade companies in BR3
- Sxxiaoman LtdMotor traders
- Osiris Heating and Cooling LtdMachinery repair and installation
- Sundar Trade LimitedMotor traders
- Energy Planet UK LimitedMachinery repair and installation
- Hatchpro Marine Service LimitedMachinery repair and installation
- Towers Plumbing and Heating LtdPlumbers and heating engineers
- BG Facilities & Property LtdPainters and decorators
- Jad Motors London LimitedMechanics and garages
What happens if Se20 Construction 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13840557
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 January 2022 (4 years ago)
- Registered office
- 4 Stanhope Grove, Beckenham, Kent, BR3 3JB
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 12 February 2026
- Previous names
- Un Potere Superiore Ltd (until 21 Sep 2023)
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 Beckenham
Other active civil engineering contractors registered in Beckenham.
- Tosamco Limited2018
- Traction Rail Electrical Limited2013
- Tread-Well Surfacing Solutions Ltd2025
- B & A General Construction Ltd2018
- BDTH Limited2025
- Carrickeast Construction Limited2010
- CJC Communications Ltd2026
- De’Norse Project Limited2024
All civil engineering contractors in Beckenham · All trades in Beckenham · Civil engineering across the UK
Frequently asked questions
When are Se20 Construction Limited's accounts due?
Se20 Construction Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Se20 Construction Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Se20 Construction Limited still trading?
Se20 Construction 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 Se20 Construction Limited do?
Se20 Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Se20 Construction Limited?
Se20 Construction Limited was incorporated on 11 January 2022, 4 years ago.
What is the penalty if Se20 Construction 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 Se20 Construction 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.