- Companies
- Plumbers and heating engineers
- Poole
- Southern Air Heating Ltd.
Southern Air Heating Ltd.
- Company number
- 04472108
- Incorporated
- 27 Jun 200224 years trading
- Registered office
- 3 Vista Place Coy Pond Business Park, Ingworth Road, Poole, Dorset, BH12 1JY
- Nature of business
- Plumbing, heat and air-conditioning installation
Southern Air Heating Ltd. is a 24-year-old private limited company registered in Poole, company number 04472108, one of 93 plumbing and heating companies in Poole. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £364K (+77.5%) on the year before, to £833K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £76K against £107K owed within a year: 0.7 times cover.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £833K | £75K | £76K | £107K | 1 |
| 31 Mar 2024 | £469K | £3,045 | £5,075 | £233K | 1 |
| 31 Mar 2023 | £511K | £33K | £33K | £215K | 1 |
| 31 Mar 2022 | £499K | £2,855 | £4,010 | £226K | 1 |
| 31 Mar 2021 | £538K | £2,367 | £4,013 | £186K | 1 |
| 31 Mar 2020 | £585K | £5,724 | £6,886 | £134K | 1 |
| 31 Mar 2019 | £627K | £8,635 | £9,802 | £95K | 1 |
| 31 Mar 2018 | £655K | £4,995 | £6,107 | £64K | 1 |
| 31 Mar 2017 | £698K | £1,680 | £2,995 | £18K | 1 |
| 31 Mar 2016 | £737K | £71K | £73K | £16K |
Who runs and owns Southern Air Heating Ltd.
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| C*** M*** | Director | Jun 2002 |
| L*** D*** | Secretary | Apr 2025 |
4 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| C*** M*** | Secretary | Jun 2002 | Oct 2005 |
| S*** M*** | Secretary | Oct 2005 | Jun 2009 |
| Chettleburghs Secretarial Ltd | Corporate Nominee Secretary | Jun 2002 | Jun 2002 |
| D*** M*** | Director | Jun 2002 | Oct 2005 |
Person with significant control
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Shawbrook Bank Limited | Outstanding | Mar 2017 |
Where Southern Air Heating Ltd. is registered
The registered office is in Poole (BH12), in the Bournemouth, Christchurch and Poole local authority area, South West. Show BH12 1JY on a map.
Other trade companies in BH12
- TVL Cars Poole LtdMechanics and garages
- Top Tier Construction LimitedInstallers
- D&D Drylining & Construction LtdBuilders
- Waters Drainage Services LtdBuilders
- HHC Car Wash LtdMechanics and garages
- Revival Works LtdBuilders
- Dorset Damp Proofing LtdBuilders
- P & C Electrical LtdCivil engineering
Also registered at this address
10 other companies use the same registered office as Southern Air Heating Ltd..
- Bindon Abbey Scaffolding LimitedScaffolders
- CDW Services (UK) LtdRoofers
- KTM Design LtdSpecialist contractors
- Maintain UK Drains LimitedCleaning companies
- Monsreed Development LtdProperty developers
- Monsreed LtdProperty developers
- Portman Promotions (Enterprises) LimitedProperty developers
- Silverbay Capital LtdBuilders
- Sonata Homes LtdProperty developers
- Surereed LimitedProperty developers
What happens if Southern Air 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 04472108
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 June 2002 (24 years ago)
- Registered office
- 3 Vista Place Coy Pond Business Park, Ingworth Road, Poole, Dorset, BH12 1JY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 June 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Poole
Other active plumbing and heating companies registered in Poole.
- Southern Piped Services Limited2005
- Southshore Heating and Plumbing Limited2016
- Stokes Solutions Limited2021
- Summit Mechanical Services Limited2018
- Swift Service & Maintenance Limited2025
- T P Plumbing Services (Dorset) Ltd2013
- Tamizhi Enterprises Ltd2025
- Tom Archer Plumbing Services Limited2016
All plumbing and heating companies in Poole · All trades in Poole · Plumbers and heating engineers across the UK
Frequently asked questions
When are Southern Air Heating Ltd.'s accounts due?
Southern Air Heating Ltd.'s next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Southern Air Heating Ltd.'s CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Southern Air Heating Ltd. still trading?
Southern Air 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 Southern Air Heating Ltd. do?
Southern Air Heating Ltd. is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Southern Air Heating Ltd.?
Southern Air Heating Ltd. was incorporated on 27 June 2002, 24 years ago.
Who runs Southern Air Heating Ltd.?
Southern Air Heating Ltd. has 1 active director, the longest-serving appointed in Jun 2002. Their names and service addresses are on the Companies House register.
Who owns Southern Air Heating Ltd.?
One person or company has significant control of Southern Air Heating Ltd.: an individual (owns 75% or more of the shares).
What is the penalty if Southern Air 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 Southern Air 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.