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  4. Aquamain Limited

Aquamain Limited

ActiveTotal exemption (full) accountsPlumbers and heating engineersScarborough
Company number
04566542
Incorporated
18 Oct 200223 years trading
Registered office
Halmar Pickering Road West, Snainton, Scarborough, YO13 9PL
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
323 days
31 Aug 2027
Net assets
£35K▼
-16.4% on the year before
Cash at bank
£65K▼
At 30 Nov 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Aquamain Limited is a 23-year-old private limited company registered in Scarborough, company number 04566542, one of 44 plumbing and heating companies in Scarborough. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.

Key dates

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

Accounts due
31 Aug 2027
in 323 days
For the period to 30 Nov 2026
CT600 due
30 Nov 2027
in 414 days
Period 1 Dec 2025 to 30 Nov 2026
Corporation tax payment
1 Sep 2027
in 324 days
9 months and 1 day after the period end
Confirmation statement
13 Sep 2027
in 336 days
Last made up to 30 Aug 2026

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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 £6,951 (-16.4%) on the year before, to £35K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £90K against £73K owed within a year: 1.2 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£25K£50K30 November 2016: net assets £262£262201630 November 2017: net assets £31K£31K201730 November 2018: net assets £31K£31K201830 November 2019: net assets £57K£57K201930 November 2020: net assets £71K£71K202030 November 2021: net assets £51K£51K202130 November 2022: net assets £48K£48K202230 November 2023: net assets £41K£41K202330 November 2024: net assets £42K£42K202430 November 2025: net assets £35K£35K2025
Net assets at each year end, 2016 to 2025£0£25K£50K30 November 2016: net assets £262£262'1630 November 2017: net assets £31K£31K'1730 November 2018: net assets £31K£31K'1830 November 2019: net assets £57K£57K'1930 November 2020: net assets £71K£71K'2030 November 2021: net assets £51K£51K'2130 November 2022: net assets £48K£48K'2230 November 2023: net assets £41K£41K'2330 November 2024: net assets £42K£42K'2430 November 2025: net assets £35K£35K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2025£35K£65K£90K£73K2
30 Nov 2024£42K£72K£93K£73K2
30 Nov 2023£41K£48K£81K£57K2
30 Nov 2022£48K£63K£77K£48K2
30 Nov 2021£51K£59K£70K£41K2
30 Nov 2020£71K£85K£98K£35K2
30 Nov 2019£57K£90K£38K3
30 Nov 2018£31K£57K£33K
30 Nov 2017£31K£79K£56K
30 Nov 2016£262£41K£43K

Where Aquamain Limited is registered

Aquamain Limited's registered office on a map of the UK

The registered office is in Scarborough (YO13), in the North Yorkshire local authority area, Yorkshire and The Humber. Show YO13 9PL on a map.

Other trade companies in YO13

What happens if Aquamain 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 August 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2027 to 30 Sep 2027£150
1 to 3 months late1 Oct 2027 to 30 Nov 2027£375
3 to 6 months late1 Dec 2027 to 29 Feb 2028£750
More than 6 months lateFrom 1 Mar 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Dec 2027£200
3 months late29 Feb 2028another £200
6 months late30 May 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 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
04566542
Status
Active
Company type
Private limited company
Incorporated
18 October 2002 (23 years ago)
Registered office
Halmar Pickering Road West, Snainton, Scarborough, YO13 9PL
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 November (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 November 2025
Last confirmation statement
30 August 2026

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Similar companies in Scarborough

Other active plumbing and heating companies registered in Scarborough.

All plumbing and heating companies in Scarborough · All trades in Scarborough · Plumbers and heating engineers across the UK

Frequently asked questions

When are Aquamain Limited's accounts due?

Aquamain Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.

When is Aquamain Limited's CT600 due?

The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.

Is Aquamain Limited still trading?

Aquamain 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 Aquamain Limited do?

Aquamain Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Aquamain Limited?

Aquamain Limited was incorporated on 18 October 2002, 23 years ago.

What is the penalty if Aquamain 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 Aquamain Limited 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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