- Companies
- Civil engineering
- Southampton
- McAlpine Projects Limited
McAlpine Projects Limited
- Company number
- 03336635
- Incorporated
- 20 Mar 199729 years trading
- Registered office
- Maybank, Durley Hall Lane Durley, Southampton, Hampshire, SO32 2AN
- Nature of business
- Construction of other civil engineering projects n.e.c.
McAlpine Projects Limited is a 29-year-old private limited company registered in Southampton, company number 03336635, one of 114 civil engineering contractors in Southampton. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £108K (+57.7%) on the year before, to £295K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- 3 employees on average, down from 4 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £295K | £234K | £175K | 3 | |
| 29 Feb 2024 | £187K | £98K | £147K | £95K | 4 |
| 28 Feb 2023 | £127K | £150K | £191K | £115K | 4 |
| 28 Feb 2022 | £110K | £108K | £179K | £106K | 3 |
| 28 Feb 2021 | £122K | £132K | £256K | £153K | 4 |
| 29 Feb 2020 | £312K | £162K | £475K | £242K | 4 |
| 28 Feb 2019 | £341K | £162K | £424K | £178K | 4 |
| 28 Feb 2018 | £434K | £236K | £511K | £175K | 4 |
| 28 Feb 2017 | £499K | £369K | £665K | £256K | 4 |
| 29 Feb 2016 | £417K | £242K | £661K | £343K |
Where McAlpine Projects Limited is registered
The registered office is in Southampton (SO32), in the Winchester local authority area, South East. Show SO32 2AN on a map.
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What happens if McAlpine Projects 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 03336635
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 1997 (29 years ago)
- Registered office
- Maybank, Durley Hall Lane Durley, Southampton, Hampshire, SO32 2AN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 22 February 2026
- Previous names
- Crouch & McAlpine Limited (until 6 Aug 2021)
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 Southampton
Other active civil engineering contractors registered in Southampton.
- McCormick Engineering Services Limited2007
- Meon Valley Surfacing Ltd2021
- Parmiolo Projects Ltd2023
- PBK Squared Ltd2014
- Peter TM Limited2023
- Pondaqs Ltd2022
- Profile Brickwork Limited2003
- Ranmill Limited2025
All civil engineering contractors in Southampton · All trades in Southampton · Civil engineering across the UK
Frequently asked questions
When are McAlpine Projects Limited's accounts due?
McAlpine Projects Limited's next accounts are due at Companies House by 30 November 2026 (in 47 days), covering the period to 28 February 2026.
When is McAlpine Projects Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is McAlpine Projects Limited still trading?
McAlpine Projects 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 McAlpine Projects Limited do?
McAlpine Projects Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is McAlpine Projects Limited?
McAlpine Projects Limited was incorporated on 20 March 1997, 29 years ago.
What is the penalty if McAlpine Projects 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 McAlpine Projects 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.