- Companies
- Civil engineering
- London
- M.J. Hernon Engineering Surveys Limited
M.J. Hernon Engineering Surveys Limited
- Company number
- 08871848
- Incorporated
- 31 Jan 201412 years trading
- Registered office
- 105-111 Euston Street, London, NW1 2EW
- Nature of business
- Construction of railways and underground railways; Construction of bridges and tunnels
M.J. Hernon Engineering Surveys Limited is a 12-year-old private limited company registered in London, company number 08871848, one of 1,853 civil engineering contractors in London. 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.
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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 £864 (+15.2%) on the year before, to £6,542.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £13K against £10K owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £6,542 | £13K | £10K | 0 | |
| 31 Jan 2024 | £5,678 | £13K | £9,857 | 1 | |
| 31 Jan 2023 | £28K | £50K | £23K | 1 | |
| 31 Jan 2022 | £81K | £101K | £22K | 1 | |
| 31 Jan 2021 | £62K | £79K | £18K | 1 | |
| 31 Jan 2020 | £46K | £58K | £13K | 1 | |
| 31 Jan 2019 | £31K | £41K | £10K | ||
| 31 Jan 2018 | £26K | £39K | £14K | ||
| 31 Jan 2017 | £5,134 | £52K | £48K | ||
| 31 Jan 2016 | £9,297 | £34K | £35K | £26K |
Where M.J. Hernon Engineering Surveys Limited is registered
The registered office is in London (NW1), in the Camden local authority area, London. Show NW1 2EW on a map.
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Also registered at this address
3 other companies use the same registered office as M.J. Hernon Engineering Surveys Limited.
- Arm Electrical Construction LimitedElectricians
- Next Phase Lighting LtdElectricians
- Waterview Developments LimitedProperty developers
What happens if M.J. Hernon Engineering Surveys 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
- 08871848
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 January 2014 (12 years ago)
- Registered office
- 105-111 Euston Street, London, NW1 2EW
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Construction of bridges and tunnels (SIC 42130) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 31 January 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.
- Maahircabling Ltd2025
- Mabani Limited2022
- Macantile Construct Ltd2026
- Machope Projects Ltd2025
- Macmory Ltd2023
- Maco Capital Limited2021
- Mafer Ltd2022
- Magic Home Building Ltd2021
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are M.J. Hernon Engineering Surveys Limited's accounts due?
M.J. Hernon Engineering Surveys Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is M.J. Hernon Engineering Surveys 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 M.J. Hernon Engineering Surveys Limited still trading?
M.J. Hernon Engineering Surveys 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 M.J. Hernon Engineering Surveys Limited do?
M.J. Hernon Engineering Surveys Limited is registered under Construction of railways and underground railways (SIC 42120); Construction of bridges and tunnels (SIC 42130).
How old is M.J. Hernon Engineering Surveys Limited?
M.J. Hernon Engineering Surveys Limited was incorporated on 31 January 2014, 12 years ago.
What is the penalty if M.J. Hernon Engineering Surveys 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 M.J. Hernon Engineering Surveys 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.