- Companies
- Groundworks and demolition
- London
- Sefah Castro Limited
Sefah Castro Limited
- Company number
- 13560104
- Incorporated
- 11 Aug 20215 years trading
- Registered office
- Flat 88, Fearnley House, Vestry Road, London, SE5 8JX
- Nature of business
- Site preparation
Sefah Castro Limited is a 5-year-old private limited company registered in London, company number 13560104, one of 287 groundworks and demolition companies in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 Sefah Castro 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 £3,203 (-86%) on the year before, to £523.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £2,260 against £2,784 owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £523 | £2,260 | £2,784 | 1 | |
| 31 Aug 2024 | £3,726 | £759 | £4,486 | 1 | |
| 31 Aug 2023 | £302 | £1,451 | £1,754 | 1 | |
| 31 Aug 2022 | £593 | £594 | 1 |
Where Sefah Castro Limited is registered
The registered office is in London (SE5), in the Southwark local authority area, London. Show SE5 8JX on a map.
Other trade companies in SE5
- LST Maintenance LtdSpecialist contractors
- Safisha Facilities LimitedCleaning companies
- Zenvora Cleaning Solutions LtdCleaning companies
- Primrose Window Cleaning LtdCleaning companies
- JFP Motors LtdMotor traders
- Southwark African Family Support Services (Safss) LtdCleaning companies
- Leaky Roof LimitedRoofers
- Kwamz Autos LtdMechanics and garages
What happens if Sefah Castro 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 13560104
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 August 2021 (5 years ago)
- Registered office
- Flat 88, Fearnley House, Vestry Road, London, SE5 8JX
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 10 August 2025
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 London
Other active groundworks and demolition companies registered in London.
- Sideros Ltd2025
- Site Advance Ltd2022
- Skilled Staff Ltd2026
- Skippy Grabs & Groundworks Limited2002
- SL Site Services Ltd2022
- Smgroundwork Ltd2015
- Smsrbuild Ltd2025
- Soft Strip Aces Ltd2025
All groundworks and demolition companies in London · All trades in London · Groundworks and demolition across the UK
Frequently asked questions
When are Sefah Castro Limited's accounts due?
Sefah Castro Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Sefah Castro Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Sefah Castro Limited still trading?
Sefah Castro Limited is listed as active on the Companies House register (checked 13 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 Sefah Castro Limited do?
Sefah Castro Limited is registered under Site preparation (SIC 43120).
How old is Sefah Castro Limited?
Sefah Castro Limited was incorporated on 11 August 2021, 5 years ago.
What is the penalty if Sefah Castro 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 Sefah Castro Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.