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  4. Diamond Duties Ltd

Diamond Duties Ltd

ActiveMicro-entity accountsPlumbers and heating engineersSale
Company number
12451836
Incorporated
10 Feb 20206 years trading
Registered office
61 Gawsworth Road, Sale, M33 2UZ
Nature of business
Plumbing, heat and air-conditioning installation; Other building completion and finishing; Management of real estate on a fee or contract basis
Accounts due in
48 days
30 Nov 2026
Net assets
£1▲
+100.2% on the year before
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Diamond Duties Ltd is a 6-year-old private limited company registered in Sale, company number 12451836, one of 30 plumbing and heating companies in Sale. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.

Key dates

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

Accounts due
30 Nov 2026
in 48 days
For the period to 28 Feb 2026
CT600 due
28 Feb 2027
in 138 days
Period 1 Mar 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 49 days
9 months and 1 day after the period end
Confirmation statement
29 Apr 2027
in 198 days
Last made up to 15 Apr 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 up £417 (+100.2%) on the year before, to £1.
  • Net assets rose in 1 of 4 year-on-year comparisons on record.
  • Current assets of £1 against £14K owed within a year: 0.0 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025£0£50028 February 2021: net assets £856£856202128 February 2022: net assets £487£487202228 February 2023: net assets £60£60202329 February 2024: net assets -£416-£416202428 February 2025: net assets £1£12025
Net assets at each year end, 2021 to 2025£0£50028 February 2021: net assets £856£856202128 February 2022: net assets £487£487202228 February 2023: net assets £60£60202329 February 2024: net assets -£416-£416202428 February 2025: net assets £1£12025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2025£1£1£14K0
29 Feb 2024-£416£717£1,6260
28 Feb 2023£60£1,001£9410
28 Feb 2022£487£847£3601
28 Feb 2021£856£0£0£01

Where Diamond Duties Ltd is registered

Diamond Duties Ltd's registered office on a map of the UK

The registered office is in Sale (M33), in the Trafford local authority area, North West. Show M33 2UZ on a map.

Other trade companies in M33

What happens if Diamond Duties 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 30 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
12451836
Status
Active
Company type
Private limited company
Incorporated
10 February 2020 (6 years ago)
Registered office
61 Gawsworth Road, Sale, M33 2UZ
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390)
Management of real estate on a fee or contract basis (SIC 68320)
Year end
29 February (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
28 February 2025
Last confirmation statement
15 April 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 Sale

Other active plumbing and heating companies registered in Sale.

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

Frequently asked questions

When are Diamond Duties Ltd's accounts due?

Diamond Duties Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.

When is Diamond Duties Ltd's CT600 due?

The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.

Is Diamond Duties Ltd still trading?

Diamond Duties 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 Diamond Duties Ltd do?

Diamond Duties Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390); Management of real estate on a fee or contract basis (SIC 68320).

How old is Diamond Duties Ltd?

Diamond Duties Ltd was incorporated on 10 February 2020, 6 years ago.

What is the penalty if Diamond Duties 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 Diamond Duties 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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