- Companies
- Plumbers and heating engineers
- Aylesbury
- Delta Heat Ltd
Delta Heat Ltd
- Company number
- 11238038
- Incorporated
- 6 Mar 20188 years trading
- Registered office
- 72 Fremantle Road, Aylesbury, HP21 8EJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Delta Heat Ltd is a 8-year-old private limited company registered in Aylesbury, company number 11238038, one of 119 plumbing and heating companies in Aylesbury. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Delta Heat LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £1,722 (+72.6%) on the year before, to £4,094.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £30K against £38K owed within a year: 0.8 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £4,094 | £30K | £38K | 2 | |
| 31 Mar 2024 | £2,372 | £10K | £27K | 2 | |
| 31 Mar 2023 | £352 | £21K | £40K | 2 | |
| 31 Mar 2022 | £191 | £16K | £4,736 | 1 | |
| 31 Mar 2021 | £13K | £30K | £6,373 | 2 | |
| 31 Mar 2020 | £15K | £23K | £8,216 | 2 | |
| 31 Mar 2019 | £1 |
Where Delta Heat Ltd is registered
The registered office is in Aylesbury (HP21), in the Buckinghamshire local authority area, South East. Show HP21 8EJ on a map.
Other trade companies in HP21
- Precisionpolish LtdCleaning companies
- Heritage Roofing & Restoration LtdRoofers
- Crexon Group LimitedElectricians
- Adzy Electrical & Property LtdProperty developers
- Dovetail Developments LimitedProperty developers
- Solarvue LtdGlaziers
- UK Motors Aylesbury LimitedMotor traders
- Ibra Transglobal LtdMotor traders
What happens if Delta Heat 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 11238038
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2018 (8 years ago)
- Registered office
- 72 Fremantle Road, Aylesbury, HP21 8EJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 19 May 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 Aylesbury
Other active plumbing and heating companies registered in Aylesbury.
- DP Cairnie Plumbing and Heating (Aylesbury) Ltd2024
- DPH Services Ltd2024
- Dy-Rect Services Limited1995
- E24 Plumbing and Heating Ltd2023
- Eco Source Plumbing and Heating Limited2009
- Eldridge Plumbing and Heating Limited2018
- Els One Limited2026
- First Choice Plumbing and Gas Limited2014
All plumbing and heating companies in Aylesbury · All trades in Aylesbury · Plumbers and heating engineers across the UK
Frequently asked questions
When are Delta Heat Ltd's accounts due?
Delta Heat Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Delta Heat Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Delta Heat Ltd still trading?
Delta Heat 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 Delta Heat Ltd do?
Delta Heat Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Delta Heat Ltd?
Delta Heat Ltd was incorporated on 6 March 2018, 8 years ago.
What is the penalty if Delta Heat 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 Delta Heat 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.