- Companies
- Builders
- Northampton
- Mineral Star Construction Limited
Mineral Star Construction Limited
- Company number
- 03098587
- Incorporated
- 5 Sep 199531 years trading
- Registered office
- Westway House, Harrowick Lane Earls Barton, Northampton, Northamptonshire, NN6 0HD
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Construction of other civil engineering projects n.e.c.
Mineral Star Construction Limited is a 31-year-old private limited company registered in Northampton, company number 03098587, one of 586 building contractors in Northampton. 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 up £8,993 (+0.6%) on the year before, to £1.4M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1.4M against £216K owed within a year: 6.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 | £1.4M | £498K | £1.4M | £216K | 0 |
| 31 Mar 2025 | £1.4M | £965K | £1M | £180K | 5 |
| 31 Mar 2024 | £1.4M | £722K | £923K | £133K | 5 |
| 31 Mar 2023 | £1.2M | £673K | £754K | £86K | 5 |
| 31 Mar 2022 | £1.4M | £1.2M | £1.2M | £74K | 5 |
| 31 Mar 2021 | £1.5M | £1.4M | £1.4M | £211K | 5 |
| 31 Mar 2020 | £1.5M | £1.6M | £1.6M | £415K | 5 |
| 31 Mar 2019 | £1.4M | £1.4M | £1.5M | £384K | |
| 31 Mar 2018 | £1.2M | £1.2M | £1.3M | £375K | |
| 31 Mar 2017 | £1M | £1M | £1.2M | £450K | 6 |
Public contracts won
Mineral Star Construction Limited has 11 public sector contract awards on record; the ones with their own published value total £4.7M, from 2018 to 2026. Source: Contracts Finder and Find a Tender award notices. For 1 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 10 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Milton Keynes Council5 awards
- West Northamptonshire Council4 awards
- Northamptonshire County Council1 award
- LGSS on behalf of Northamptonshire County Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| West Northamptonshire Council | Northampton Central Library Refurbishment Works | £851K | 16 Jul 2026 |
| West Northamptonshire Council | Refurbishment and Remodelling at Donovan Court, Northampton | £337K | 24 Sep 2025 |
| West Northamptonshire Council | Refurbishment and Remodelling at Donovan Court, Northampton - Award | £403K | 15 Aug 2025 |
| Milton Keynes Council | Construction of Whitehouse Community Meeting Place - AWARD | £1.4M | 27 Jul 2022 |
| West Northamptonshire Council | Duston Library Roof Refurbishment | £55K | 13 Jun 2022 |
| Northamptonshire County Council | NCC 2020 Construction Framework | Ceiling, not shown | 24 Apr 2020 |
| LGSS on behalf of Northamptonshire County Council | Further Competition from LGSS Construction Band A (£100k - £1.5m) - Radstone Primary School | £827K | 13 Jun 2019 |
| Milton Keynes Council | Milton Keynes Council - Heating Distribution System Replacement and Other Works at Priory Common School | £172K | 4 Mar 2019 |
| Milton Keynes Council | Milton Keynes Council - Heating System Replacement and Other Works at Pepper Hill School | £180K | 4 Mar 2019 |
| Milton Keynes Council | Milton Keynes Council - Tickford Park Primary School (Martin Building) Heating and Domestic Water Upgrade | £284K | 21 Mar 2018 |
Showing the 10 most recent of 11.
Where Mineral Star Construction Limited is registered
The registered office is in Northampton (NN6), in the North Northamptonshire local authority area, East Midlands. Show NN6 0HD on a map.
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- Benbow Gardens LtdProperty developers
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What happens if Mineral Star Construction 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
- 03098587
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 September 1995 (31 years ago)
- Registered office
- Westway House, Harrowick Lane Earls Barton, Northampton, Northamptonshire, NN6 0HD
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
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
- 1 September 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Northampton
Other active building contractors registered in Northampton.
- Mint Maintenance & Bespoke Builds Ltd2026
- MK Top Construction Ltd2021
- Mmcbuild Limited2022
- Modulife Ltd2025
- Moisei Construction Ltd2021
- Moldconstruct Ltd2018
- Moldscaffolding Limited2022
- Morecroft Building Services Limited2015
All building contractors in Northampton · All trades in Northampton · Builders across the UK
Frequently asked questions
When are Mineral Star Construction Limited's accounts due?
Mineral Star Construction 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 Mineral Star Construction 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 Mineral Star Construction Limited still trading?
Mineral Star Construction 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 Mineral Star Construction Limited do?
Mineral Star Construction Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Mineral Star Construction Limited?
Mineral Star Construction Limited was incorporated on 5 September 1995, 31 years ago.
Has Mineral Star Construction Limited won public sector contracts?
Yes. Mineral Star Construction Limited has 11 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £4.7M), most recently from West Northamptonshire Council.
What is the penalty if Mineral Star Construction 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 Mineral Star Construction 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.