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  4. Watermark Irrigation Ltd

Watermark Irrigation Ltd

ActiveNo accounts filed yet accountsCivil engineeringSt Albans
Company number
17019092
Incorporated
8 Feb 2026
Registered office
12 Spencer Gate, St Albans, AL1 4AD
Nature of business
Construction of water projects
Accounts due in
392 days
8 Nov 2027
From the Companies House register, 1 Oct 2026

Watermark Irrigation Ltd is a newly incorporated private limited company registered in St Albans, company number 17019092, one of 23 civil engineering contractors in St Albans. Its next accounts are due at Companies House on 8 November 2027, and its first CT600 is due at HMRC on 7 February 2028.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
8 Nov 2027
in 392 days
For the period to 28 Feb 2027
CT600 due (first of two)
7 Feb 2028
in 483 days
Period 8 Feb 2026 to 7 Feb 2027
CT600 due (second of two)
28 Feb 2028
in 504 days
Period 8 Feb 2027 to 28 Feb 2027
Corporation tax payment
1 Dec 2027
in 415 days
9 months and 1 day after the period end
Confirmation statement
21 Feb 2027
in 132 days

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Where Watermark Irrigation Ltd is registered

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

The registered office is in St Albans (AL1), in the St Albans local authority area, East of England. Show AL1 4AD on a map.

Other trade companies in AL1

What happens if Watermark 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 8 November 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late9 Nov 2027 to 8 Dec 2027£150
1 to 3 months late9 Dec 2027 to 8 Feb 2028£375
3 to 6 months late9 Feb 2028 to 8 May 2028£750
More than 6 months lateFrom 9 May 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late29 Feb 2028£200
3 months late28 May 2028another £200
6 months late28 Aug 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 2029another 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
17019092
Status
Active
Company type
Private limited company
Incorporated
8 February 2026
Registered office
12 Spencer Gate, St Albans, AL1 4AD
Nature of business
Construction of water projects (SIC 42910)
Year end
28 February (accounting reference date)
Accounts type
No accounts filed yet

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 St Albans

Other active civil engineering contractors registered in St Albans.

All civil engineering contractors in St Albans · All trades in St Albans · Civil engineering across the UK

Frequently asked questions

When are Watermark Irrigation Ltd's accounts due?

Watermark Irrigation Ltd's next accounts are due at Companies House by 8 November 2027 (in 392 days), covering the period to 28 February 2027.

When is Watermark Irrigation Ltd's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 7 February 2027, due by 7 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Watermark Irrigation Ltd still trading?

Watermark 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 Watermark Irrigation Ltd do?

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

How old is Watermark Irrigation Ltd?

Watermark Irrigation Ltd was incorporated on 8 February 2026, less than a year ago.

What is the penalty if Watermark 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 Watermark 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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