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- Alex Engineering Limited
Company profile · Civil engineering
Alex Engineering Limited
Alex Engineering Limited is a 15-year-old private limited company registered in Didcot, company number 07449258, one of 9 civil engineering contractors in Didcot. Its next accounts are due at Companies House on 30 December 2027, and the CT600 for the period to 30 March 2027 is due at HMRC on 30 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Alex Engineering Limited over the years
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 £542 (-34%) on the year before, to £1,052.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £41K against £59K owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £1,052 | £41K | £59K | 2 | |
| 31 Mar 2025 | £1,594 | £22K | £34K | 2 | |
| 31 Mar 2024 | £7,185 | £26K | £38K | 2 | |
| 31 Mar 2023 | £20K | £30K | £14K | 2 | |
| 31 Mar 2022 | £12K | £11K | £4,795 | 2 | |
| 31 Mar 2021 | £14K | £29K | £21K | 2 | |
| 31 Mar 2020 | £15K | £24K | £18K | 2 | |
| 31 Mar 2019 | £102 | £10K | £15K | ||
| 31 Mar 2018 | £3,593 | £6,562 | £9,922 | ||
| 31 Mar 2017 | £8,526 | £16K | £16K |
Where Alex Engineering Limited is registered
The registered office is in Didcot (OX11), in the South Oxfordshire local authority area, South East. Show OX11 6GX on a map.
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What happens if Alex Engineering 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 30 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2027 to 30 Jan 2028 | £150 |
| 1 to 3 months late | 31 Jan 2028 to 30 Mar 2028 | £375 |
| 3 to 6 months late | 31 Mar 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 2029 | 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
- 07449258
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 November 2010 (15 years ago)
- Registered office
- 4 Cowslip Gate, Didcot, Oxfordshire, OX11 6GX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 12 April 2026
- Previous names
- Rock Stock Frock Limited (until 9 Mar 2012)
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 Didcot
Other active civil engineering contractors registered in Didcot.
- Dawkins Rail and Construction Ltd2023
- Dun Ltd2016
- HST Solutions Limited2024
- Landsquare Ltd2025
- S C Civils & Maintenance Limited2012
- T McGill Property Maintenance Ltd2022
- WG Groundworks Ltd2024
- A L Lacy & Sons Limited2005
All civil engineering contractors in Didcot · All trades in Didcot · Civil engineering across the UK
Frequently asked questions
When are Alex Engineering Limited's accounts due?
Alex Engineering Limited's next accounts are due at Companies House by 30 December 2027 (in 444 days), covering the period to 30 March 2027.
When is Alex Engineering Limited's CT600 due?
The CT600 for the period to 30 March 2027 is due at HMRC by 30 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2027.
Is Alex Engineering Limited still trading?
Alex Engineering 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 Alex Engineering Limited do?
Alex Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Alex Engineering Limited?
Alex Engineering Limited was incorporated on 24 November 2010, 15 years ago.
What is the penalty if Alex Engineering 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 Alex Engineering 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.