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- Austin Heating Ltd
Company profile · Plumbers and heating engineers
Austin Heating Ltd
Austin Heating Ltd is a 7-year-old private limited company registered in Southampton, company number 12155496, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Austin Heating Ltd over the years
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 £74 (-97.4%) on the year before, to £2.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £13K against £13K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £2 | £13K | £13K | 1 | |
| 31 Aug 2024 | £76 | £13K | £13K | 1 | |
| 31 Aug 2023 | £2,635 | £16K | £14K | 1 | |
| 31 Aug 2022 | £14K | £22K | £11K | 1 | |
| 31 Aug 2021 | £19K | £32K | £17K | 1 | |
| 31 Aug 2020 | £2,078 | £914 | £3,178 | 1 |
Where Austin Heating Ltd is registered
The registered office is in Southampton (SO15), in the Southampton local authority area, South East. Show SO15 0HW on a map.
Other trade companies in SO15
- Enginetek Marine LimitedMachinery repair and installation
- The DPF Guy LtdMechanics and garages
- Redbridge Accident Repair LtdMechanics and garages
- Mahakali Engineer Services LtdMachinery repair and installation
- Genuinecarpartsuk LtdMotor traders
- MK Cars & Parts LtdMotor traders
- SMS Building LimitedFinishing trades
- Sonridge Building Group LtdCivil engineering
Shared registered office
28 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Austin 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12155496
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2019 (7 years ago)
- Registered office
- C/O Power Accountax Ltd, Mailbox 3, Solent Business Centre, 343 Millbrook Road West, Southampton, SO15 0HW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 10 September 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 Southampton
Other active plumbing and heating companies registered in Southampton.
- Bam M.E.P Ltd2026
- Bam Mechanical Limited2024
- Barnett Plumbing and Heating Limited2004
- Becketts Plumbing and Heating Ltd2021
- Bills Boilers Ltd2020
- Blue Diamond Heating Services Limited2017
- BMG Bathrooms and Plumbing Services Limited2014
- BMG Plumbing Services Limited2006
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Austin Heating Ltd's accounts due?
Austin Heating Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Austin Heating Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Austin Heating Ltd still trading?
Austin 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 Austin Heating Ltd do?
Austin Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Austin Heating Ltd?
Austin Heating Ltd was incorporated on 14 August 2019, 7 years ago.
What is the penalty if Austin 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 Austin 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.