- Companies
- Plumbers and heating engineers
- Penryn
- Atg Plumbing & Heating Ltd
Atg Plumbing & Heating Ltd
- Company number
- 11605549
- Incorporated
- 4 Oct 20188 years trading
- Registered office
- Unit 3, The Praze, Penryn, TR10 8AA
- Nature of business
- Plumbing, heat and air-conditioning installation
Atg Plumbing & Heating Ltd is a 8-year-old private limited company registered in Penryn, company number 11605549, one of 5 plumbing and heating companies in Penryn. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 up £18K on the year before, to £19K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £152K against £118K owed within a year: 1.3 times cover.
- 11 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £19K | £59K | £152K | £118K | 11 |
| 31 Oct 2024 | £771 | £17K | £91K | £71K | 11 |
| 31 Oct 2023 | £2,687 | £104K | £85K | 8 | |
| 31 Oct 2022 | £5,272 | £115K | £98K | 7 | |
| 31 Oct 2021 | £5,599 | £84K | £62K | 7 | |
| 31 Oct 2020 | £2,521 | £115K | £105K | 6 | |
| 31 Oct 2019 | £2 | £2 |
Where Atg Plumbing & Heating Ltd is registered
The registered office is in Penryn (TR10), in the Cornwall local authority area, South West. Show TR10 8AA on a map.
Other trade companies in TR10
- Morva Properties LtdProperty developers
- Cornwall Exterior Cleaning LtdCleaning companies
- Granite Coast Property Group LimitedProperty developers
- Saltwater Services and Fabrication LtdMachinery repair and installation
- Salt & Stone Decorating LtdPainters and decorators
- National Charging Solutions LtdElectricians
- SP (Cornwall) LtdProperty developers
- Ironclad Roofing LimitedInstallers
What happens if Atg 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11605549
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 October 2018 (8 years ago)
- Registered office
- Unit 3, The Praze, Penryn, TR10 8AA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 1 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 Penryn
Other active plumbing and heating companies registered in Penryn.
- Blazing Burners Limited2016
- Blue and Green Plumbing and Heating Ltd2013
- Hwel Ltd2022
- S.W Hunt Heating Services Limited2015
All plumbing and heating companies in Penryn · All trades in Penryn · Plumbers and heating engineers across the UK
Frequently asked questions
When are Atg Plumbing & Heating Ltd's accounts due?
Atg Plumbing & Heating Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Atg Plumbing & Heating Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Atg Plumbing & Heating Ltd still trading?
Atg 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 Atg Plumbing & Heating Ltd do?
Atg Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Atg Plumbing & Heating Ltd?
Atg Plumbing & Heating Ltd was incorporated on 4 October 2018, 8 years ago.
What is the penalty if Atg 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 Atg 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.