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  3. Prime Irrigation Ltd.

Prime Irrigation Ltd.

ActiveTotal exemption (full) accountsCivil engineeringDarsham Saxmundham
Company number
01208495
Incorporated
21 Apr 197551 years trading
Registered office
Trustans Farm, Westleton Road, Darsham Saxmundham, Suffolk, IP17 3BP
Nature of business
Construction of water projects
Accounts due in
18 days
31 Oct 2026
Net assets
£2.6M▲
+7.4% on the year before
Cash at bank
£668K▼
At 31 Jan 2025
Employees
24
Average during the year
From the Companies House register, 1 Oct 2026

Prime Irrigation Ltd. is a 51-year-old private limited company registered in Darsham Saxmundham, company number 01208495, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Oct 2026
in 18 days
For the period to 31 Jan 2026
CT600 due
31 Jan 2027
in 110 days
Period 1 Feb 2025 to 31 Jan 2026
Corporation tax payment
1 Nov 2026
in 19 days
9 months and 1 day after the period end
Confirmation statement
1 Nov 2026
in 19 days
Last made up to 18 Oct 2025

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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 £183K (+7.4%) on the year before, to £2.6M.
  • Net assets rose in 8 of 8 year-on-year comparisons on record.
  • Current assets of £2.5M against £459K owed within a year: 5.6 times cover.
  • 24 employees on average, up from 21 the year before.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£1M£2M31 January 2017: net assets £802K£802K201731 January 2018: net assets £874K£874K201831 January 2019: net assets £1.1M£1.1M201931 January 2020: net assets £1.6M£1.6M202031 January 2021: net assets £1.9M£1.9M202131 January 2022: net assets £2M£2M202231 January 2023: net assets £2.2M£2.2M202331 January 2024: net assets £2.5M£2.5M202431 January 2025: net assets £2.6M£2.6M2025
Net assets at each year end, 2017 to 2025£0£1M£2M31 January 2017: net assets £802K£802K'1731 January 2018: net assets £874K£874K'1831 January 2019: net assets £1.1M£1.1M'1931 January 2020: net assets £1.6M£1.6M'2031 January 2021: net assets £1.9M£1.9M'2131 January 2022: net assets £2M£2M'2231 January 2023: net assets £2.2M£2.2M'2331 January 2024: net assets £2.5M£2.5M'2431 January 2025: net assets £2.6M£2.6M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2025£2.6M£668K£2.5M£459K24
31 Jan 2024£2.5M£1.1M£2.7M£727K21
31 Jan 2023£2.2M£844K£2.2M£520K23
31 Jan 2022£2M£608K£1.8M£376K23
31 Jan 2021£1.9M£704K£1.8M£534K23
31 Jan 2020£1.6M£634K£1.5M£558K23
31 Jan 2019£1.1M£181K£938K£425K15
31 Jan 2018£874K£677K£1.2M£395K15
31 Jan 2017£802K£550K£1.1M£399K12

Where Prime Irrigation Ltd. is registered

Prime Irrigation Ltd.'s registered office on a map of the UK

The registered office is in Darsham Saxmundham (IP17), in the East Suffolk local authority area, East of England. Show IP17 3BP on a map.

Other trade companies in IP17

What happens if Prime Irrigation 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 October 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2026 to 30 Nov 2026£150
1 to 3 months late1 Dec 2026 to 31 Jan 2027£375
3 to 6 months late1 Feb 2027 to 30 Apr 2027£750
More than 6 months lateFrom 1 May 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Feb 2027£200
3 months late30 Apr 2027another £200
6 months late31 Jul 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 2028another 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
01208495
Status
Active
Company type
Private limited company
Incorporated
21 April 1975 (51 years ago)
Registered office
Trustans Farm, Westleton Road, Darsham Saxmundham, Suffolk, IP17 3BP
Nature of business
Construction of water projects (SIC 42910)
Year end
31 January (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 January 2025
Last confirmation statement
18 October 2025
Charges (mortgages)
0 outstanding of 5 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

Other active civil engineering contractors.

Civil engineering across the UK

Frequently asked questions

When are Prime Irrigation Ltd.'s accounts due?

Prime Irrigation Ltd.'s next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.

When is Prime Irrigation Ltd.'s CT600 due?

The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.

Is Prime Irrigation Ltd. still trading?

Prime Irrigation 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 Prime Irrigation Ltd. do?

Prime Irrigation Ltd. is registered under Construction of water projects (SIC 42910).

How old is Prime Irrigation Ltd.?

Prime Irrigation Ltd. was incorporated on 21 April 1975, 51 years ago.

What is the penalty if Prime Irrigation 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 Prime Irrigation Ltd. on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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