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  4. Watermark Plumbing and Heating Supplies Limited

Watermark Plumbing and Heating Supplies Limited

ActiveTotal exemption (full) accountsInstallersAshton-under-Lyne
Company number
04765375
Incorporated
15 May 200323 years trading
Registered office
Unit 8B Plantation Industrial Estate, Whitelands Road, Ashton-under-Lyne, OL6 6UZ
Nature of business
Other construction installation; Wholesale of hardware, plumbing and heating equipment and supplies
Accounts due in
504 days
29 Feb 2028
Net assets
£148K▼
-10.5% on the year before
Cash at bank
£219K▼
At 31 May 2026
Employees
10
Average during the year
From the Companies House register, 1 Oct 2026

Watermark Plumbing and Heating Supplies Limited is a 23-year-old private limited company registered in Ashton-under-Lyne, company number 04765375, one of 32 installation companies (insulation, lifts, shutters and similar) in Ashton-under-Lyne. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.

Key dates

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

Accounts due
29 Feb 2028
in 504 days
For the period to 31 May 2027
CT600 due
31 May 2028
in 596 days
Period 1 Jun 2026 to 31 May 2027
Corporation tax payment
1 Mar 2028
in 505 days
9 months and 1 day after the period end
Confirmation statement
29 May 2027
in 228 days
Last made up to 15 May 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 £17K (-10.5%) on the year before, to £148K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £317K against £264K owed within a year: 1.2 times cover.
  • 10 employees on average, down from 11 the year before.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£100K31 May 2017: net assets £3,548£3,548201731 May 2018: net assets £1,568£1,568201831 May 2019: net assets £2,411£2,411201931 May 2020: net assets £2,400£2,400202031 May 2021: net assets £45K£45K202131 May 2022: net assets £44K£44K202231 May 2023: net assets £75K£75K202331 May 2024: net assets £135K£135K202431 May 2025: net assets £165K£165K202531 May 2026: net assets £148K£148K2026
Net assets at each year end, 2017 to 2026£0£100K31 May 2017: net assets £3,548£3,548'1731 May 2018: net assets £1,568£1,568'1831 May 2019: net assets £2,411£2,411'1931 May 2020: net assets £2,400£2,400'2031 May 2021: net assets £45K£45K'2131 May 2022: net assets £44K£44K'2231 May 2023: net assets £75K£75K'2331 May 2024: net assets £135K£135K'2431 May 2025: net assets £165K£165K'2531 May 2026: net assets £148K£148K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2026£148K£219K£317K£264K10
31 May 2025£165K£283K£376K£282K11
31 May 2024£135K£276K£372K£276K6
31 May 2023£75K£168K£250K£207K5
31 May 2022£44K£156K£229K£174K5
31 May 2021£45K£201K£258K£185K5
31 May 2020£2,400£71K£125K£64K5
31 May 2019£2,411£34K£112K£97K4
31 May 2018£1,568£3,951£88K£94K3
31 May 2017£3,548£268£86K£84K3

Where Watermark Plumbing and Heating Supplies Limited is registered

Watermark Plumbing and Heating Supplies Limited's registered office on a map of the UK

The registered office is in Ashton-under-Lyne (OL6), in the Tameside local authority area, North West. Show OL6 6UZ on a map.

Other trade companies in OL6

What happens if Watermark Plumbing and Heating Supplies 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 29 February 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2028 to 31 Mar 2028£150
1 to 3 months late1 Apr 2028 to 31 May 2028£375
3 to 6 months late1 Jun 2028 to 31 Aug 2028£750
More than 6 months lateFrom 1 Sep 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2028£200
3 months late31 Aug 2028another £200
6 months late30 Nov 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
04765375
Status
Active
Company type
Private limited company
Incorporated
15 May 2003 (23 years ago)
Registered office
Unit 8B Plantation Industrial Estate, Whitelands Road, Ashton-under-Lyne, OL6 6UZ
Nature of business
Other construction installation (SIC 43290)
Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740)
Year end
31 May (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 May 2026
Last confirmation statement
15 May 2026
Charges (mortgages)
1 outstanding of 1 registered

Filing notes for installation companies (insulation, lifts, shutters and similar)

Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.

Similar companies in Ashton-under-Lyne

Other active installation companies (insulation, lifts, shutters and similar) registered in Ashton-under-Lyne.

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Frequently asked questions

When are Watermark Plumbing and Heating Supplies Limited's accounts due?

Watermark Plumbing and Heating Supplies Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.

When is Watermark Plumbing and Heating Supplies Limited's CT600 due?

The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.

Is Watermark Plumbing and Heating Supplies Limited still trading?

Watermark Plumbing and Heating Supplies 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 Watermark Plumbing and Heating Supplies Limited do?

Watermark Plumbing and Heating Supplies Limited is registered under Other construction installation (SIC 43290); Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740).

How old is Watermark Plumbing and Heating Supplies Limited?

Watermark Plumbing and Heating Supplies Limited was incorporated on 15 May 2003, 23 years ago.

What is the penalty if Watermark Plumbing and Heating Supplies 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 Watermark Plumbing and Heating Supplies 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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