- Companies
- Plumbers and heating engineers
- Portsmouth
- MG Heating (Southern) Limited
MG Heating (Southern) Limited
- Company number
- 08784464
- Incorporated
- 21 Nov 201312 years trading
- Registered office
- 3 Acorn Business Centre, Northarbour Road, Portsmouth, Hampshire, PO6 3TH
- Nature of business
- Plumbing, heat and air-conditioning installation
MG Heating (Southern) Limited is a 12-year-old private limited company registered in Portsmouth, company number 08784464, one of 141 plumbing and heating companies in Portsmouth. 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 £11K (+407.5%) on the year before, to £8,322.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £46K against £91K owed within a year: 0.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 | £8,322 | £29K | £46K | £91K | 0 |
| 31 Mar 2024 | -£2,706 | £12K | £35K | £97K | 7 |
| 31 Mar 2023 | -£14K | £22K | £31K | £97K | 9 |
| 31 Mar 2022 | £54K | £54K | £60K | £37K | 9 |
| 31 Mar 2021 | £1,364 | £37K | £71K | £62K | 9 |
| 31 Mar 2020 | £3,946 | £25K | £69K | £85K | 9 |
| 31 Mar 2019 | £13K | £40K | £64K | £67K | |
| 31 Mar 2018 | -£5,529 | £11K | £55K | £82K | |
| 31 Mar 2017 | -£8,132 | £18K | £20K | £51K | 6 |
| 31 Mar 2016 | -£12K | £3,195 | £6,270 | £41K |
Where MG Heating (Southern) Limited is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 3TH 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
Also registered at this address
12 other companies use the same registered office as MG Heating (Southern) Limited.
- Frontier Landscapes South LtdSpecialist contractors
- G Bainbridge LimitedFinishing trades
- Maldestra LimitedCivil engineering
- MCD (Southern) LimitedSpecialist contractors
- MF Electrical & Building Services LimitedBuilders
- Omnia Environmental Consulting (North) LtdSpecialist contractors
- Pure Electrical (Southern) LimitedElectricians
- Southlands Services LimitedBuilders
- SRL Investments LimitedProperty developers
- Tempest Electrical Services LtdElectricians
- Vuro LtdElectricians
- Wallace & Wallace Consulting LtdBuilders
What happens if MG Heating (Southern) Limited 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
- 08784464
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 November 2013 (12 years ago)
- Registered office
- 3 Acorn Business Centre, Northarbour Road, Portsmouth, Hampshire, PO6 3TH
- 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
- 4 November 2025
- 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 Portsmouth
Other active plumbing and heating companies registered in Portsmouth.
- Newway Mechanical Ltd2020
- Ocean Gas Ltd2010
- Ogr Properties Limited2022
- Omni Heating Limited2023
- Onepipe Plumbing Ltd2016
- P K S Plumbing and Heating Services Ltd2020
- P R G Contractors Limited2012
- Paratus Heating Limited2026
All plumbing and heating companies in Portsmouth · All trades in Portsmouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are MG Heating (Southern) Limited's accounts due?
MG Heating (Southern) Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is MG Heating (Southern) Limited'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 MG Heating (Southern) Limited still trading?
MG Heating (Southern) Limited 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 MG Heating (Southern) Limited do?
MG Heating (Southern) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is MG Heating (Southern) Limited?
MG Heating (Southern) Limited was incorporated on 21 November 2013, 12 years ago.
What is the penalty if MG Heating (Southern) Limited 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 MG Heating (Southern) Limited 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.