- Companies
- Plumbers and heating engineers
- Aylesbury
- STP Plumbing & Heating Ltd
STP Plumbing & Heating Ltd
- Company number
- 14721187
- Incorporated
- 10 Mar 20233 years trading
- Registered office
- 9 Bessemer Crescent, Rabans Lane Industrial Area, Aylesbury, HP19 8TF
- Nature of business
- Plumbing, heat and air-conditioning installation
STP Plumbing & Heating Ltd is a 3-year-old private limited company registered in Aylesbury, company number 14721187, one of 119 plumbing and heating companies in Aylesbury. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £3,489 (-99.7%) on the year before, to -£6,990.
- Current assets of £66K against £73K owed within a year: 0.9 times cover.
- 3 employees on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£6,990 | £66K | £73K | 3 | |
| 31 Mar 2024 | -£3,501 | £325 | £3,826 | 0 |
Where STP Plumbing & Heating Ltd is registered
The registered office is in Aylesbury (HP19), in the Buckinghamshire local authority area, South East. Show HP19 8TF on a map.
Other trade companies in HP19
- TPV Group LtdProperty developers
- Aylesbury Claims Management LtdMechanics and garages
- Abi Handyman LimitedFinishing trades
- KWK Properties LimitedProperty developers
- Redline Group Properties LimitedProperty developers
- Ridge and Crown Roofing LtdRoofers
- Lightning Performance Auto Services LimitedMechanics and garages
- Spartan Facades LtdSpecialist contractors
Also registered at this address
15 other companies use the same registered office as STP Plumbing & Heating Ltd.
- A Maid for All Commercial Cleaning LtdCleaning companies
- Ac Electrical Services (Quainton) LtdElectricians
- Ar Intech LtdElectricians
- Artis Cleaning Services LimitedCleaning companies
- Artis Plumbing & Heating LtdPlumbers and heating engineers
- Artis Property Renovations LtdFinishing trades
- E24 Plumbing and Heating LtdPlumbers and heating engineers
- Extreme Clean Services LtdCleaning companies
- Gathercole Grounds Maintenance LtdLandscapers and gardeners
- Hewitt Construction Aylesbury LtdBuilders
- Inlight Electrical Aylesbury LtdElectricians
- Out of the Ground LtdLandscapers and gardeners
- Thomas Daniel Professional Decorators LimitedPainters and decorators
- Tony's Technical Engineers LtdElectricians
- Top of the Mops Bucks LtdCleaning companies
What happens if STP Plumbing & 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 14721187
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 March 2023 (3 years ago)
- Registered office
- 9 Bessemer Crescent, Rabans Lane Industrial Area, Aylesbury, HP19 8TF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 11 October 2025
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.
- Surab Limited1995
- Three Counties Plumbing Ltd2006
- Tobias James Installations Ltd2014
- Total Water Limited2022
- Tskgasservices Ltd2020
- Tyrone Andrew Bennett Ltd2025
- Umbrella Plumbing and Heating Ltd2019
- Worry Free Gas Ltd2019
All plumbing and heating companies in Aylesbury · All trades in Aylesbury · Plumbers and heating engineers across the UK
Frequently asked questions
When are STP Plumbing & Heating Ltd's accounts due?
STP Plumbing & Heating Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is STP Plumbing & Heating Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is STP Plumbing & Heating Ltd still trading?
STP Plumbing & 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 STP Plumbing & Heating Ltd do?
STP Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is STP Plumbing & Heating Ltd?
STP Plumbing & Heating Ltd was incorporated on 10 March 2023, 3 years ago.
What is the penalty if STP Plumbing & 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 STP Plumbing & 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.