- Companies
- Plumbers and heating engineers
- Emsworth
- Just Air Conditioning (Southern) Ltd
Just Air Conditioning (Southern) Ltd
- Company number
- 17343732
- Incorporated
- 16 Jul 2026
- Registered office
- 12 Priors Close, Southbourne, Emsworth, PO10 8LJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Just Air Conditioning (Southern) Ltd is a newly incorporated private limited company registered in Emsworth, company number 17343732, one of 13 plumbing and heating companies in Emsworth. Its next accounts are due at Companies House on 16 April 2028, and its first CT600 is due at HMRC on 15 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Just Air Conditioning (Southern) 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 | Jul 2026 |
| C*** M*** | Director | Jul 2026 |
People with significant control (2)
Where Just Air Conditioning (Southern) Ltd is registered
The registered office is in Emsworth (PO10), in the Chichester local authority area, South East. Show PO10 8LJ on a map.
Other trade companies in PO10
- RS Car Auctions LimitedMotor traders
- Phasetec LtdCivil engineering
- D & P Construction(Southern) LtdBuilders
- Masterfit Contracts LtdBuilders
- Guillens K&B LtdInstallers
- J V Operating Services LtdCivil engineering
- New Heights Roofing LimitedRoofers
- Guillens Kitchens & Bathrooms LtdPlumbers and heating engineers
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 Just Air Conditioning (Southern) 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 16 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Apr 2028 to 16 May 2028 | £150 |
| 1 to 3 months late | 17 May 2028 to 16 Jul 2028 | £375 |
| 3 to 6 months late | 17 Jul 2028 to 16 Oct 2028 | £750 |
| More than 6 months late | From 17 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17343732
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 July 2026
- Registered office
- 12 Priors Close, Southbourne, Emsworth, PO10 8LJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
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 Emsworth
Other active plumbing and heating companies registered in Emsworth.
- Pates Heating Limited2019
- R & M Bailey Ltd2013
- R Russell Gas & Plumbing Limited2013
- Taskforce Maintenance Limited2000
- Wadey Plumbing and Heating Ltd2025
- All Areas Plumbing & Heating Southern Limited2018
- Chalkstream Plumbing and Heating Ltd2025
- Chris Brooks Plumbing & Heating Limited2016
All plumbing and heating companies in Emsworth · All trades in Emsworth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Just Air Conditioning (Southern) Ltd's accounts due?
Just Air Conditioning (Southern) Ltd's next accounts are due at Companies House by 16 April 2028 (in 551 days), covering the period to 31 July 2027.
When is Just Air Conditioning (Southern) 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 15 July 2027, due by 15 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Just Air Conditioning (Southern) Ltd still trading?
Just Air Conditioning (Southern) 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 Just Air Conditioning (Southern) Ltd do?
Just Air Conditioning (Southern) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Just Air Conditioning (Southern) Ltd?
Just Air Conditioning (Southern) Ltd was incorporated on 16 July 2026, less than a year ago.
Who runs Just Air Conditioning (Southern) Ltd?
Just Air Conditioning (Southern) Ltd has 2 active directors, the longest-serving appointed in Jul 2026. Their names and service addresses are on the Companies House register.
Who owns Just Air Conditioning (Southern) Ltd?
2 people or companies have significant control of Just Air Conditioning (Southern) Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Just Air Conditioning (Southern) 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 Just Air Conditioning (Southern) 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.