- Companies
- Plumbers and heating engineers
- Welwyn Garden City
- Pioneering Plumbing Ltd
Pioneering Plumbing Ltd
- Company number
- 12250118
- Incorporated
- 8 Oct 20197 years trading
- Registered office
- 6 Queens Avenue, Welwyn Garden City, AL7 4BZ
- Nature of business
- Plumbing, heat and air-conditioning installation
Pioneering Plumbing Ltd is a 7-year-old private limited company registered in Welwyn Garden City, company number 12250118, one of 32 plumbing and heating companies in Welwyn Garden City. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 up £2,351 (+103.3%) on the year before, to £4,626.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £79K against £79K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £4,626 | £79K | £79K | £79K | 2 |
| 31 Oct 2023 | £2,275 | £2,541 | £6,331 | £14K | 2 |
| 31 Oct 2022 | £8,068 | £857 | £5,453 | 2 | |
| 31 Oct 2021 | £4,048 | £13K | £9,032 | 2 | |
| 31 Oct 2020 | £1,778 | £12K | £10K | 2 |
Where Pioneering Plumbing Ltd is registered
The registered office is in Welwyn Garden City (AL7), in the Welwyn Hatfield local authority area, East of England. Show AL7 4BZ on a map.
Other trade companies in AL7
- Mechanicalwise LtdInstallers
- Azalea Services LimitedSpecialist contractors
- Malmech and Mannion LimitedMechanics and garages
- T&D Construction Group LtdFinishing trades
- Vertec Roofing and Building LtdRoofers
- Selectlane LtdMotor traders
- Af Pressure Washing LtdCleaning companies
- Jet Professional LtdCleaning companies
What happens if Pioneering 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 12250118
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 October 2019 (7 years ago)
- Registered office
- 6 Queens Avenue, Welwyn Garden City, AL7 4BZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 7 October 2025
- Previous names
- Pioneering Plumber Ltd (until 9 Oct 2019)
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 Welwyn Garden City
Other active plumbing and heating companies registered in Welwyn Garden City.
- Pro Ventilation Ltd2016
- R E West Heating & Plumbing Limited2019
- SP Supplies Ltd2022
- The Hertfordshire Boiler Company Ltd2018
- Totalfix Maintenance Ltd2025
- Tylers Ac Contractors Limited2025
- VT Flow Plumbing & Heating Ltd2026
- A.L. Mechanical Limited2023
All plumbing and heating companies in Welwyn Garden City · All trades in Welwyn Garden City · Plumbers and heating engineers across the UK
Frequently asked questions
When are Pioneering Plumbing Ltd's accounts due?
Pioneering Plumbing Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Pioneering Plumbing 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 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Pioneering Plumbing Ltd still trading?
Pioneering 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 Pioneering Plumbing Ltd do?
Pioneering Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Pioneering Plumbing Ltd?
Pioneering Plumbing Ltd was incorporated on 8 October 2019, 7 years ago.
What is the penalty if Pioneering 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 Pioneering 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.