- Companies
- Plumbers and heating engineers
- Leeds
- Deltatherm Leeds Ltd
Deltatherm Leeds Ltd
- Company number
- 17031386
- Incorporated
- 13 Feb 2026
- Registered office
- 4 Cleeve Hill, Rawdon, Leeds, LS19 6RX
- Nature of business
- Plumbing, heat and air-conditioning installation
Deltatherm Leeds Ltd is a newly incorporated private limited company registered in Leeds, company number 17031386, one of 357 plumbing and heating companies in Leeds. Its next accounts are due at Companies House on 13 November 2027, and its first CT600 is due at HMRC on 12 February 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Deltatherm Leeds Ltd is registered
The registered office is in Leeds (LS19), in the Leeds local authority area, Yorkshire and The Humber. Show LS19 6RX on a map.
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- PP&H LtdPlumbers and heating engineers
- Agm Renovations LtdInstallers
- Mla Roofing LtdRoofers
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- Dave Quinn Joinery Contractor LtdJoiners and carpenters
What happens if Deltatherm Leeds 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 13 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Nov 2027 to 13 Dec 2027 | £150 |
| 1 to 3 months late | 14 Dec 2027 to 13 Feb 2028 | £375 |
| 3 to 6 months late | 14 Feb 2028 to 13 May 2028 | £750 |
| More than 6 months late | From 14 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 17031386
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2026
- Registered office
- 4 Cleeve Hill, Rawdon, Leeds, LS19 6RX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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 Leeds
Other active plumbing and heating companies registered in Leeds.
- DHB Heating Limited2023
- Direct Boilers & Heating Ltd2025
- Direct Heating Installations Limited2011
- DJG Plumbing & Heating (Yorkshire) Ltd2025
- Dodsworth Gas Services Limited2017
- Don Masper Ltd2026
- Douglas Plumbing & Heating Ltd2026
- Drakes Plumbing & Heating Services Ltd2020
All plumbing and heating companies in Leeds · All trades in Leeds · Plumbers and heating engineers across the UK
Frequently asked questions
When are Deltatherm Leeds Ltd's accounts due?
Deltatherm Leeds Ltd's next accounts are due at Companies House by 13 November 2027 (in 396 days), covering the period to 28 February 2027.
When is Deltatherm Leeds Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 12 February 2027, due by 12 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Deltatherm Leeds Ltd still trading?
Deltatherm Leeds 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 Deltatherm Leeds Ltd do?
Deltatherm Leeds Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Deltatherm Leeds Ltd?
Deltatherm Leeds Ltd was incorporated on 13 February 2026, less than a year ago.
What is the penalty if Deltatherm Leeds 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 Deltatherm Leeds Ltd 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.