- Companies
- Civil engineering
- Wellingborough
- Martin Cave Limited
Martin Cave Limited
- Company number
- 11190698
- Incorporated
- 6 Feb 20188 years trading
- Registered office
- Sterling House, 31-32 High Street, Wellingborough, NN8 4HL
- Nature of business
- Construction of other civil engineering projects n.e.c.
Martin Cave Limited is a 8-year-old private limited company registered in Wellingborough, company number 11190698, one of 42 civil engineering contractors in Wellingborough. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 down £1,148 (-38%) on the year before, to £1,871.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £23K against £23K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £1,871 | £11K | £23K | £23K | 2 |
| 31 Mar 2025 | £3,019 | £4,993 | £8,634 | 2 | |
| 31 Mar 2024 | £13K | £4,327 | £3,169 | 2 | |
| 5 Apr 2023 | £17K | £8,639 | £4,418 | 2 | |
| 5 Apr 2022 | £15K | £7,055 | £6,233 | 0 | |
| 5 Apr 2021 | £17K | £8,203 | £3,692 | 0 | |
| 5 Apr 2020 | £18K | £3,880 | £3,463 | ||
| 5 Apr 2019 | £17K | £12K | £7,540 |
Where Martin Cave Limited is registered
The registered office is in Wellingborough (NN8), in the North Northamptonshire local authority area, East Midlands. Show NN8 4HL on a map.
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Shared registered office
67 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Martin Cave 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 11190698
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2018 (8 years ago)
- Registered office
- Sterling House, 31-32 High Street, Wellingborough, NN8 4HL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 5 February 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 Wellingborough
Other active civil engineering contractors registered in Wellingborough.
- Miratom Ltd2016
- Number One Works Limited1998
- Opus Civil Engineering Ltd2014
- Pad Builders (Northants) Ltd2012
- Paul Brown Labouring Limited2018
- Priority Tunnelling Limited2019
- Pryp Services Ltd2014
- TJB Utilities Limited2014
All civil engineering contractors in Wellingborough · All trades in Wellingborough · Civil engineering across the UK
Frequently asked questions
When are Martin Cave Limited's accounts due?
Martin Cave Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Martin Cave Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Martin Cave Limited still trading?
Martin Cave 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 Martin Cave Limited do?
Martin Cave Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Martin Cave Limited?
Martin Cave Limited was incorporated on 6 February 2018, 8 years ago.
What is the penalty if Martin Cave 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 Martin Cave 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.