- Companies
- Plumbers and heating engineers
- Ware
- Psi Heating Ltd
Psi Heating Ltd
- Company number
- 10633715
- Incorporated
- 22 Feb 20179 years trading
- Registered office
- The Mount Medcalf Hill, Widford, Ware, Herts, SG12 8TD
- Nature of business
- Plumbing, heat and air-conditioning installation
Psi Heating Ltd is a 9-year-old private limited company registered in Ware, company number 10633715, one of 48 plumbing and heating companies in Ware. 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.
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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 down £5,084 (-55.4%) on the year before, to £4,096.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £53K against £70K owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £4,096 | £44K | £53K | £70K | 1 |
| 29 Feb 2024 | £9,180 | £89K | £94K | £73K | 1 |
| 28 Feb 2023 | £2,770 | £50K | £55K | £36K | 1 |
| 28 Feb 2022 | £3,970 | £53K | £58K | £32K | 1 |
| 28 Feb 2021 | -£1,805 | £41K | £45K | £22K | 1 |
| 29 Feb 2020 | £2,462 | £42K | £44K | £45K | 2 |
| 28 Feb 2019 | £296 | £34K | £35K | £41K | |
| 28 Feb 2018 | £1,147 | £14K | £13K | £21K |
Who runs and owns Psi Heating Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| P*** S*** | Director | Feb 2017 |
Person with significant control
Where Psi Heating Ltd is registered
The registered office is in Ware (SG12), in the East Hertfordshire local authority area, East of England. Show SG12 8TD on a map.
Other trade companies in SG12
- JB Garden Services LimitedLandscapers and gardeners
- Fryer Electrical LtdElectricians
- Aventus Air Conditioning and Electrical Services LtdElectricians
- Rews Garden Rooms LtdInstallers
- Clean As F LtdCleaning companies
- Lybra Contract Cleaning LtdCleaning companies
- The Room Revivers LimitedJoiners and carpenters
- Addison Tiling LtdFloor and wall tilers
What happens if Psi Heating 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 House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10633715
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 February 2017 (9 years ago)
- Registered office
- The Mount Medcalf Hill, Widford, Ware, Herts, SG12 8TD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 9 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 Ware
Other active plumbing and heating companies registered in Ware.
- R H Air Conditioning Limited2007
- Reduced Carbon Solutions Southwest Limited2018
- RR Plumbing and Heating Limited2018
- RS Heating Ltd2008
- S & G Plumbing & Heating Solutions Ltd2018
- Safegas London Limited2016
- SBS Oil and Gas Limited2013
- SH GPH Ltd2025
All plumbing and heating companies in Ware · All trades in Ware · Plumbers and heating engineers across the UK
Frequently asked questions
When are Psi Heating Ltd's accounts due?
Psi Heating 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 Psi Heating 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 Psi Heating Ltd still trading?
Psi Heating 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 Psi Heating Ltd do?
Psi Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Psi Heating Ltd?
Psi Heating Ltd was incorporated on 22 February 2017, 9 years ago.
Who runs Psi Heating Ltd?
Psi Heating Ltd has 1 active director, the longest-serving appointed in Feb 2017. Their names and service addresses are on the Companies House register.
Who owns Psi Heating Ltd?
One person or company has significant control of Psi Heating Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Psi Heating 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 Psi Heating 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.