- Companies
- Civil engineering
- Northampton
- Ellmark (Design & Build) Ltd.
Ellmark (Design & Build) Ltd.
- Company number
- 03294063
- Incorporated
- 18 Dec 199629 years trading
- Registered office
- 5 North Portway Close, Round Spinney, Northampton, Northamptonshire, NN3 8RQ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Ellmark (Design & Build) Ltd. is a 29-year-old private limited company registered in Northampton, company number 03294063, one of 152 civil engineering contractors in Northampton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 down £12K (-52.4%) on the year before, to £11K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £136K against £103K owed within a year: 1.3 times cover.
- 6 employees on average, up from 3 the year before.
- 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 Mar 2025 | £11K | £37K | £136K | £103K | 6 |
| 31 Mar 2024 | £22K | £38K | £178K | £128K | 3 |
| 31 Mar 2023 | £237 | £14K | £176K | £142K | 4 |
| 31 Mar 2022 | £617 | £37K | £206K | £166K | 5 |
| 31 Mar 2021 | £448 | £24K | £156K | £108K | 6 |
| 31 Mar 2020 | -£22K | £11K | £117K | £140K | 6 |
| 31 Mar 2019 | £1,970 | £12K | £169K | £169K | 6 |
| 31 Mar 2018 | £258 | £13K | £161K | £161K | 6 |
| 31 Mar 2017 | £3,528 | £36K | £126K | £125K | 7 |
| 31 Mar 2016 | £4,773 | £13K | £146K | £145K |
Who runs and owns Ellmark (Design & Build) Ltd.
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| S*** E*** | Director | Dec 1996 |
| T*** E*** | Director | Jun 2017 |
| T*** E*** | Secretary | Dec 1996 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Swift Incorporations Limited | Corporate Nominee Secretary | Dec 1996 | Dec 1996 |
| I*** F*** | Director | Feb 1998 | Feb 2017 |
Person with significant control
Charges (secured borrowing)
2 of 4 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| HSBC Bank PLC | Outstanding | Jan 2010 |
| HSBC Bank PLC | Outstanding | Apr 2007 |
| National Westminster Bank PLC | Satisfied May 2003 | Mar 1997 |
| National Westminster Bank PLC | Satisfied May 2003 | Feb 1997 |
Where Ellmark (Design & Build) Ltd. is registered
The registered office is in Northampton (NN3), in the West Northamptonshire local authority area, East Midlands. Show NN3 8RQ on a map.
Other trade companies in NN3
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- Atlas Engeenering LtdCivil engineering
- Oakwell Energy Systems LtdElectricians
- Imdl Construction LtdBuilders
- BC Developments and Construction Group UK LtdProperty developers
What happens if Ellmark (Design & Build) Ltd. 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 03294063
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 December 1996 (29 years ago)
- Registered office
- 5 North Portway Close, Round Spinney, Northampton, Northamptonshire, NN3 8RQ
- 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 2025
- Last confirmation statement
- 18 December 2025
- Charges (mortgages)
- 2 outstanding of 4 registered
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 Northampton
Other active civil engineering contractors registered in Northampton.
- Energyexchangers Limited2008
- F&A Construction Ltd2021
- F&I Groundwork Limited2015
- F.W.T. Burrows and Company Limited1969
- FHP Building Contractors Limited2010
- Fibre Construct Ltd2023
- Fmo Construction Ltd2021
- Fountain Construction Limited2004
All civil engineering contractors in Northampton · All trades in Northampton · Civil engineering across the UK
Frequently asked questions
When are Ellmark (Design & Build) Ltd.'s accounts due?
Ellmark (Design & Build) Ltd.'s next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Ellmark (Design & Build) Ltd.'s CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Ellmark (Design & Build) Ltd. still trading?
Ellmark (Design & Build) Ltd. 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 Ellmark (Design & Build) Ltd. do?
Ellmark (Design & Build) Ltd. is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Ellmark (Design & Build) Ltd.?
Ellmark (Design & Build) Ltd. was incorporated on 18 December 1996, 29 years ago.
Who runs Ellmark (Design & Build) Ltd.?
Ellmark (Design & Build) Ltd. has 2 active directors, the longest-serving appointed in Dec 1996. Their names and service addresses are on the Companies House register.
Who owns Ellmark (Design & Build) Ltd.?
One person or company has significant control of Ellmark (Design & Build) Ltd.: an individual (owns 25% to 50% of the shares).
What is the penalty if Ellmark (Design & Build) Ltd. 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 Ellmark (Design & Build) Ltd. 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.