- Companies
- Civil engineering
- London
- E K and Sons Limited
E K and Sons Limited
- Company number
- 11393213
- Incorporated
- 1 Jun 20188 years trading
- Registered office
- Flat 3, 248 Portland Road, London, South Norwood, SE25 4SL
- Nature of business
- Construction of railways and underground railways
E K and Sons Limited is a 8-year-old private limited company registered in London, company number 11393213, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 E K and Sons 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 £2,973 (-67.4%) on the year before, to £1,437.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £11K against £475 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1,437 | £11K | £11K | £475 | 1 |
| 30 Jun 2024 | £4,410 | £8,850 | £17K | £790 | 1 |
| 30 Jun 2023 | £1,041 | £4,154 | £18K | £613 | 1 |
| 30 Jun 2022 | £1,430 | £6,977 | £14K | 1 | |
| 30 Jun 2021 | £1,100 | £1,709 | £1,709 | £609 | 1 |
| 30 Jun 2020 | £503 | £11K | £26K | £26K | 0 |
| 30 Jun 2019 | £71 | £298 | £227 | 1 |
Who runs and owns E K and Sons Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| E*** O*** | Director | Jun 2018 |
Person with significant control
Where E K and Sons Limited is registered
The registered office is in London (SE25), in the Croydon local authority area, London. Show SE25 4SL on a map.
Other trade companies in SE25
- Luna Plumbing LtdPlumbers and heating engineers
- Mendivra LtdJoiners and carpenters
- Squeaky Mastery Services LtdCleaning companies
- MM(P)M LtdProperty developers
- Meysam Electrical LtdElectricians
- Madej Property Maintenance LtdFinishing trades
- Leonardo Bespoke Joinery LtdJoiners and carpenters
- GCS Electrical Services LimitedElectricians
What happens if E K and Sons 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 11393213
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 June 2018 (8 years ago)
- Registered office
- Flat 3, 248 Portland Road, London, South Norwood, SE25 4SL
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 8 July 2026
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.
- E&D Limited2017
- E&E Utilities Ltd2023
- E&S Utilities Services Limited2025
- Eag Engineering Ltd2026
- Eagle Eye Surveyors Ltd2025
- Earthrise Energy Limited2023
- Easicon Ltd2012
- Easylife Consulting Limited2018
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are E K and Sons Limited's accounts due?
E K and Sons Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is E K and Sons Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is E K and Sons Limited still trading?
E K and Sons 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 E K and Sons Limited do?
E K and Sons Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is E K and Sons Limited?
E K and Sons Limited was incorporated on 1 June 2018, 8 years ago.
Who runs E K and Sons Limited?
E K and Sons Limited has 1 active director, the longest-serving appointed in Jun 2018. Their names and service addresses are on the Companies House register.
Who owns E K and Sons Limited?
One person or company has significant control of E K and Sons Limited: an individual (owns 75% or more of the shares).
What is the penalty if E K and Sons 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 E K and Sons 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.