- Companies
- Civil engineering
- Hillingdon
- Stuart Peter Mills Ltd
Stuart Peter Mills Ltd
- Company number
- 10765419
- Incorporated
- 11 May 20179 years trading
- Registered office
- 30 Dawley Aveune, Hillingdon, UB8 3BU
- Nature of business
- Construction of railways and underground railways
Stuart Peter Mills Ltd is a 9-year-old private limited company registered in Hillingdon, company number 10765419, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £764 (+32.1%) on the year before, to £3,142.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £33K against £18K owed within a year: 1.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £3,142 | £33K | £18K | 1 | |
| 31 May 2024 | £2,378 | £32K | £16K | 1 | |
| 31 May 2023 | £164 | £33K | £14K | 1 | |
| 31 May 2022 | £32 | £32K | £13K | 1 | |
| 31 May 2021 | £120 | £24K | £26K | 1 | |
| 31 May 2020 | £18K | £39K | £23K | 1 | |
| 31 May 2019 | £14K | £15K | £3,884 | ||
| 31 May 2018 | £3,311 | £5,134 | £11K | £7,807 |
Where Stuart Peter Mills Ltd is registered
The registered office is in Hillingdon (UB8), in the Hillingdon local authority area, London. Show UB8 3BU on a map.
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What happens if Stuart Peter Mills 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 10765419
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 May 2017 (9 years ago)
- Registered office
- 30 Dawley Aveune, Hillingdon, UB8 3BU
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 23 July 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 Hillingdon
Other active civil engineering contractors registered in Hillingdon.
- Yp Electricians Ltd2017
- Hazard Lines Limited2017
- Burning Foxes Civil Engineers Ltd2017
- P Harvey Heating Limited2017
- HLD (Fleetwood) Ltd.2017
- Mppway Ltd2017
- BJT Mechanical Solutions Limited2017
- Nova Mechanical Ltd2017
All civil engineering contractors in Hillingdon · All trades in Hillingdon · Civil engineering across the UK
Frequently asked questions
When are Stuart Peter Mills Ltd's accounts due?
Stuart Peter Mills Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Stuart Peter Mills Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Stuart Peter Mills Ltd still trading?
Stuart Peter Mills 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 Stuart Peter Mills Ltd do?
Stuart Peter Mills Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Stuart Peter Mills Ltd?
Stuart Peter Mills Ltd was incorporated on 11 May 2017, 9 years ago.
What is the penalty if Stuart Peter Mills 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 Stuart Peter Mills 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.