- Companies
- Civil engineering
- Isle of Harris Plant Limited
Isle of Harris Plant Limited
- Company number
- SC459602
- Incorporated
- 19 Sep 201313 years trading
- Registered office
- 6, Grosebay, Isle Of Harris, HS3 3EF
- Nature of business
- Construction of roads and motorways; Construction of other civil engineering projects n.e.c.; Site preparation; Other specialised construction activities n.e.c.
Isle of Harris Plant Limited is a 13-year-old private limited company registered in Grosebay, company number SC459602, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £5,051 (-2.6%) on the year before, to £188K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £85K against £84K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £188K | £85K | £84K | 0 | |
| 31 Dec 2023 | £193K | £89K | £132K | 0 | |
| 31 Dec 2022 | £67K | £44K | £92K | 0 | |
| 31 Dec 2021 | £70K | £62K | £144K | 0 | |
| 31 Dec 2020 | £79K | £69K | £102K | 0 | |
| 30 Sep 2019 | £43K | £38K | £51K | 0 | |
| 30 Sep 2018 | £43K | £33K | £72K | ||
| 30 Sep 2017 | £43K | £54K | £68K | ||
| 30 Sep 2016 | £48K | £15K | £44K | £57K | |
| 30 Sep 2015 | £14K | £2,326 | £49K | £54K |
Where Isle of Harris Plant Limited is registered
The registered office is in Grosebay (HS3), in the Na h-Eileanan Siar local authority area, Scotland. Show HS3 3EF on a map.
Other trade companies in HS3
- Hebridean Semiconductors LtdMachinery repair and installation
- CC Services Groundworks LtdCivil engineering
What happens if Isle of Harris Plant 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 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
- SC459602
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 September 2013 (13 years ago)
- Registered office
- 6, Grosebay, Isle Of Harris, HS3 3EF
- Nature of business
- Construction of roads and motorways (SIC 42110)
Construction of other civil engineering projects n.e.c. (SIC 42990)
Site preparation (SIC 43120)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 15 November 2025
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
Other active civil engineering contractors.
Frequently asked questions
When are Isle of Harris Plant Limited's accounts due?
Isle of Harris Plant Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Isle of Harris Plant Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Isle of Harris Plant Limited still trading?
Isle of Harris Plant 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 Isle of Harris Plant Limited do?
Isle of Harris Plant Limited is registered under Construction of roads and motorways (SIC 42110); Construction of other civil engineering projects n.e.c. (SIC 42990); Site preparation (SIC 43120); Other specialised construction activities n.e.c. (SIC 43999).
How old is Isle of Harris Plant Limited?
Isle of Harris Plant Limited was incorporated on 19 September 2013, 13 years ago.
What is the penalty if Isle of Harris Plant 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 Isle of Harris Plant 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.