- Companies
- Plumbers and heating engineers
- Stevenage
- 1ST 4 Plumbing Ltd
1ST 4 Plumbing Ltd
- Company number
- 05710421
- Incorporated
- 15 Feb 200620 years trading
- Registered office
- 32 Fairfield Way, GT.Ashby, Stevenage, Hertfordshire, SG1 6BF
- Nature of business
- Plumbing, heat and air-conditioning installation
1ST 4 Plumbing Ltd is a 20-year-old private limited company registered in Stevenage, company number 05710421, one of 95 plumbing and heating companies in Stevenage. 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 £465 (-2.7%) on the year before, to -£17K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- 1 employee 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£17K | £18K | 1 | ||
| 29 Feb 2024 | -£17K | £15K | 1 | ||
| 28 Feb 2023 | -£15K | 1 | |||
| 28 Feb 2022 | -£14K | £0 | £9,272 | 1 | |
| 28 Feb 2021 | -£7,885 | £3,364 | £5,309 | 1 | |
| 28 Feb 2020 | £2,040 | £0 | £4,819 | 1 | |
| 28 Feb 2019 | £430 | £4 | £3,549 | ||
| 28 Feb 2018 | £3,983 | £626 | £1,632 | ||
| 28 Feb 2017 | -£248 | £1,620 | £2,291 | ||
| 28 Feb 2016 | -£8,200 | £189 | £189 | £9,710 |
Who runs and owns 1ST 4 Plumbing Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| D*** P*** | Director | Feb 2006 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** P*** | Secretary | Feb 2006 | Aug 2025 |
| Duport Secretary Limited | Corporate Nominee Secretary | Feb 2006 | Feb 2006 |
| Duport Director Limited | Nominee director (company) | Feb 2006 | Feb 2006 |
Person with significant control
Where 1ST 4 Plumbing Ltd is registered
The registered office is in Stevenage (SG1), in the North Hertfordshire local authority area, East of England. Show SG1 6BF on a map.
Other trade companies in SG1
- Masterplumbing&Heating LtdPlumbers and heating engineers
- Ohiggins Property Solutions LtdProperty developers
- Bird Detailing LtdCleaning companies
- Tedted Engineering LtdMechanics and garages
- DSS Facilities LtdFacilities management
- Macala Engineering LimitedSpecialist contractors
- Regency Detailing LtdMechanics and garages
- Ashtons Property Group LtdProperty developers
What happens if 1ST 4 Plumbing 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
- 05710421
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 February 2006 (20 years ago)
- Registered office
- 32 Fairfield Way, GT.Ashby, Stevenage, Hertfordshire, SG1 6BF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 13 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 Stevenage
Other active plumbing and heating companies registered in Stevenage.
- A Class Air-Conditioning Systems Limited2020
- A.T.James Plumbing & Heating Limited2012
- Ak Tearle Mechanical Services Ltd2024
- Andrei Plumbing Ltd2019
- Ansell Drainage Ltd2022
- Ap Environmental Ltd2026
- Arbons Plumbing Limited2013
- Ascott PH Services Limited2004
All plumbing and heating companies in Stevenage · All trades in Stevenage · Plumbers and heating engineers across the UK
Frequently asked questions
When are 1ST 4 Plumbing Ltd's accounts due?
1ST 4 Plumbing 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 1ST 4 Plumbing 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 1ST 4 Plumbing Ltd still trading?
1ST 4 Plumbing 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 1ST 4 Plumbing Ltd do?
1ST 4 Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is 1ST 4 Plumbing Ltd?
1ST 4 Plumbing Ltd was incorporated on 15 February 2006, 20 years ago.
Who runs 1ST 4 Plumbing Ltd?
1ST 4 Plumbing Ltd has 1 active director, the longest-serving appointed in Feb 2006. Their names and service addresses are on the Companies House register.
Who owns 1ST 4 Plumbing Ltd?
One person or company has significant control of 1ST 4 Plumbing Ltd: an individual (owns 75% or more of the shares).
What is the penalty if 1ST 4 Plumbing 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 1ST 4 Plumbing 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.