- Companies
- Plumbers and heating engineers
- Waltham Cross
- Dema Plumbing & Heating Limited
Dema Plumbing & Heating Limited
- Company number
- 16028667
- Incorporated
- 19 Oct 20241 year trading
- Registered office
- 57 Longfield Lane, Cheshunt, Waltham Cross, EN7 6AE
- Nature of business
- Plumbing, heat and air-conditioning installation
Dema Plumbing & Heating Limited is a 1-year-old private limited company registered in Waltham Cross, company number 16028667, one of 63 plumbing and heating companies in Waltham Cross. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Where Dema Plumbing & Heating Limited is registered
The registered office is in Waltham Cross (EN7), in the Broxbourne local authority area, East of England. Show EN7 6AE on a map.
Other trade companies in EN7
- Sparkle & Press LtdCleaning companies
- Sotira Maintenance LtdFinishing trades
- Sentry: Rapid Response LtdElectricians
- Tornado Group London LtdMotor traders
- Platinum Hive Decorating LimitedPlasterers
- Nexo Concept LtdProperty developers
- Outin Solutions LimitedFinishing trades
- Trulys Trees LimitedLandscapers and gardeners
What happens if Dema Plumbing & 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16028667
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 October 2024 (1 year ago)
- Registered office
- 57 Longfield Lane, Cheshunt, Waltham Cross, EN7 6AE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 18 October 2025
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 Waltham Cross
Other active plumbing and heating companies registered in Waltham Cross.
- DT Plumbing & Heating (UK) Ltd2016
- Elc Heating Services Ltd2023
- Emerald Forge Ltd2025
- Empson Heating Ltd2014
- Fastfix London Ltd2024
- Full Gas Plumbing and Heating Ltd2016
- Gas Flow and Plumbing Ltd2014
- Get Plumbing & Heating Supplies Limited2024
All plumbing and heating companies in Waltham Cross · All trades in Waltham Cross · Plumbers and heating engineers across the UK
Frequently asked questions
When are Dema Plumbing & Heating Limited's accounts due?
Dema Plumbing & Heating Limited's next accounts are due at Companies House by 31 July 2027 (in 290 days), covering the period to 31 October 2026.
When is Dema Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Dema Plumbing & Heating Limited still trading?
Dema Plumbing & 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 Dema Plumbing & Heating Limited do?
Dema Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Dema Plumbing & Heating Limited?
Dema Plumbing & Heating Limited was incorporated on 19 October 2024, 1 year ago.
What is the penalty if Dema Plumbing & 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 Dema Plumbing & 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.