- Companies
- Plumbers and heating engineers
- Hertford
- Peter Trehy Limited
Peter Trehy Limited
- Company number
- 04812125
- Incorporated
- 26 Jun 200323 years trading
- Registered office
- 35 Cecil Road, Hertford, Hertfordshire, SG13 8HR
- Nature of business
- Plumbing, heat and air-conditioning installation
Peter Trehy Limited is a 23-year-old private limited company registered in Hertford, company number 04812125, one of 58 plumbing and heating companies in Hertford. 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.
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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 £24K (-44.8%) on the year before, to £30K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £22K against £15K owed within a year: 1.5 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £30K | £22K | £15K | 3 | |
| 31 Mar 2024 | £54K | £36K | £4,165 | 3 | |
| 31 Mar 2023 | £67K | £66K | 3 | ||
| 31 Mar 2022 | £60K | £74K | £25K | 9 | |
| 31 Mar 2021 | £38K | £51K | £28K | 3 | |
| 31 Mar 2020 | £44K | £44K | £18K | 3 | |
| 31 Mar 2019 | -£19K | -£19K | £22K | 3 | |
| 31 Mar 2018 | £26K | £40K | £20K | ||
| 31 Mar 2017 | £22K | £44K | £30K | ||
| 31 Mar 2016 | £11K | £27K | £31K | £30K |
Where Peter Trehy Limited is registered
The registered office is in Hertford (SG13), in the East Hertfordshire local authority area, East of England. Show SG13 8HR on a map.
Other trade companies in SG13
- D&M Solutions LtdCleaning companies
- Greenpassionlandscapes LtdLandscapers and gardeners
- Nexum Fire & Security LimitedElectricians
- Bullrig Electrical Services LtdElectricians
- Rule One Hold LimitedCleaning companies
- Simpson and West Construction LtdBuilders
- Better Utility Services LtdCivil engineering
- Herts Caravan Services LtdMachinery repair and installation
What happens if Peter Trehy 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 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
- 04812125
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2003 (23 years ago)
- Registered office
- 35 Cecil Road, Hertford, Hertfordshire, SG13 8HR
- 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
- 17 June 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 Hertford
Other active plumbing and heating companies registered in Hertford.
- PM247 Ltd2014
- PMC-Gas Limited2015
- PR Plumbing Gas and Heating Ltd2014
- SJL Heating Limited2012
- Slater Bros. Plumbing & Heating Ltd2017
- South Herts Plumbing & Heating Limited2010
- Speedflow Plumbing Services Ltd2019
- SRP Plumbing Services Ltd2026
All plumbing and heating companies in Hertford · All trades in Hertford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Peter Trehy Limited's accounts due?
Peter Trehy Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Peter Trehy Limited'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 Peter Trehy Limited still trading?
Peter Trehy 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 Peter Trehy Limited do?
Peter Trehy Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Peter Trehy Limited?
Peter Trehy Limited was incorporated on 26 June 2003, 23 years ago.
What is the penalty if Peter Trehy 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 Peter Trehy 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.