- Companies
- Plumbers and heating engineers
- Cosham
- M and F Air Conditioning Ltd
M and F Air Conditioning Ltd
- Company number
- 06919300
- Incorporated
- 29 May 200917 years trading
- Registered office
- 81 High Street, Cosham, Hampshire, PO6 3BL
- Nature of business
- Plumbing, heat and air-conditioning installation
M and F Air Conditioning Ltd is a 17-year-old private limited company registered in Cosham, company number 06919300, one of 7 plumbing and heating companies in Cosham. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 30 May 2026 is due at HMRC on 30 May 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 £82K (+415.4%) on the year before, to £102K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £267K against £158K owed within a year: 1.7 times cover.
- 9 employees 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 |
|---|---|---|---|---|---|
| 30 May 2025 | £102K | £66K | £267K | £158K | 9 |
| 30 May 2024 | £20K | £2,122 | £207K | £163K | 9 |
| 30 May 2023 | £3,282 | £592 | £296K | £251K | 10 |
| 31 May 2022 | £2,837 | £12K | £296K | 13 | |
| 31 May 2021 | -£15K | £73K | £255K | £178K | 13 |
| 31 May 2020 | £63K | £120K | £288K | £253K | 12 |
| 31 May 2019 | £58K | £20K | £129K | £93K | 11 |
| 31 May 2018 | £100K | £11K | £214K | £138K | 9 |
| 31 May 2017 | £92K | £76K | £246K | £166K | 9 |
| 31 May 2016 | £73K | £88K | £284K | £229K |
Where M and F Air Conditioning Ltd is registered
The registered office is in Cosham (PO6), in the Portsmouth local authority area, South East. Show PO6 3BL on a map.
Other trade companies in PO6
- Bellagio Partners LtdBuilders
- Cpenw LtdMachinery repair and installation
- Marla Brickwork & Construction LtdProperty developers
- Miracles in Metal LtdMechanics and garages
- FH Fire & Electrical LtdElectricians
- Thomcore LimitedSpecialist contractors
- JMS Southern LtdElectricians
- The Motum Group LtdSpecialist contractors
Shared registered office
56 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 M and F Air Conditioning 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 May 2027 | £200 |
| 3 months late | 30 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 May 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
- 06919300
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 May 2009 (17 years ago)
- Registered office
- 81 High Street, Cosham, Hampshire, PO6 3BL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 May 2025
- Last confirmation statement
- 1 January 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 Cosham
Other active plumbing and heating companies registered in Cosham.
- Simer Environmental Services Limited1977
- SW Gas Services Ltd2020
- Thane Gas Services Ltd2013
- Vincent Home Improvement Limited2017
- Flare Plumbing & Heating Ltd2025
- Goldring Plumbing & Heating Limited2007
All plumbing and heating companies in Cosham · All trades in Cosham · Plumbers and heating engineers across the UK
Frequently asked questions
When are M and F Air Conditioning Ltd's accounts due?
M and F Air Conditioning Ltd's next accounts are due at Companies House by 28 February 2027 (in 137 days), covering the period to 30 May 2026.
When is M and F Air Conditioning Ltd's CT600 due?
The CT600 for the period to 30 May 2026 is due at HMRC by 30 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is M and F Air Conditioning Ltd still trading?
M and F Air Conditioning 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 M and F Air Conditioning Ltd do?
M and F Air Conditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is M and F Air Conditioning Ltd?
M and F Air Conditioning Ltd was incorporated on 29 May 2009, 17 years ago.
What is the penalty if M and F Air Conditioning 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 M and F Air Conditioning 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.