- Companies
- Plumbers and heating engineers
- Southend-on-Sea
- DZ Plumbing and Heating Limited
DZ Plumbing and Heating Limited
- Company number
- 15299418
- Incorporated
- 21 Nov 20232 years trading
- Registered office
- Cumberland House, 24 - 28 Baxter Avenue, Southend-on-Sea, SS2 6HZ
- Nature of business
- Plumbing, heat and air-conditioning installation
DZ Plumbing and Heating Limited is a 2-year-old private limited company registered in Southend-on-Sea, company number 15299418, one of 52 plumbing and heating companies in Southend-on-Sea. 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.
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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 £11K (+130.2%) on the year before, to £19K.
- Current assets of £33K against £15K owed within a year: 2.2 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £19K | £16K | £33K | £15K | 1 |
| 30 Nov 2024 | £8,167 | £30K | £46K | £37K | 2 |
Where DZ Plumbing and Heating Limited is registered
The registered office is in Southend-on-Sea (SS2), in the Southend-on-Sea local authority area, East of England. Show SS2 6HZ on a map.
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- Eddie's Vehicle Detailing LtdMechanics and garages
- Attac Projects An Trade Management LtdInstallers
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- Boiro Projects LtdSpecialist contractors
Shared registered office
134 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if DZ Plumbing and Heating 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 House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2028 | another 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
- 15299418
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 November 2023 (2 years ago)
- Registered office
- Cumberland House, 24 - 28 Baxter Avenue, Southend-on-Sea, SS2 6HZ
- 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
- 17 February 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 Southend-on-Sea
Other active plumbing and heating companies registered in Southend-on-Sea.
- Ep Property Care Ltd2026
- Essex Gas (UK) Limited2006
- Eu Plumbing Limited2018
- Flint Climate Solutions Ltd2025
- Floorplan Plumbing & Gas Engineering Ltd2025
- Flowtec Air Conditioning Ltd2017
- G&S Heating Ltd2020
- Gas Water & Electric Limited1999
All plumbing and heating companies in Southend-on-Sea · All trades in Southend-on-Sea · Plumbers and heating engineers across the UK
Frequently asked questions
When are DZ Plumbing and Heating Limited's accounts due?
DZ Plumbing and Heating Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is DZ Plumbing and Heating 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 DZ Plumbing and Heating Limited still trading?
DZ Plumbing and Heating 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 DZ Plumbing and Heating Limited do?
DZ Plumbing and Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DZ Plumbing and Heating Limited?
DZ Plumbing and Heating Limited was incorporated on 21 November 2023, 2 years ago.
What is the penalty if DZ Plumbing and Heating 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 DZ Plumbing and Heating Limited on Companies House for filed documents, officers and the full history.
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.