- Companies
- Plumbers and heating engineers
- Mitcham
- Above Ground Heating Ltd
Above Ground Heating Ltd
- Company number
- 16156323
- Incorporated
- 30 Dec 20241 year trading
- Registered office
- Flat 4 Merlin Court, 10 Veals Mead, Mitcham, CR4 3SB
- Nature of business
- Plumbing, heat and air-conditioning installation
Above Ground Heating Ltd is a 1-year-old private limited company registered in Mitcham, company number 16156323, one of 50 plumbing and heating companies in Mitcham. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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.
Is this your company?
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Where Above Ground Heating Ltd is registered
The registered office is in Mitcham (CR4), in the Merton local authority area, London. Show CR4 3SB on a map.
Other trade companies in CR4
- Mendevo LimitedFloor and wall tilers
- Az Auto Body Repair LtdMechanics and garages
- Welcome Maintenance LimitedPainters and decorators
- Fixmot LtdMechanics and garages
- MPB Property Care LtdFinishing trades
- Aoo Building Services LtdBuilders
- LDN Plumbing Heating and Cooling LimitedPlumbers and heating engineers
- Dgha Construction LtdBuilders
What happens if Above Ground Heating Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 16156323
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 December 2024 (1 year ago)
- Registered office
- Flat 4 Merlin Court, 10 Veals Mead, Mitcham, CR4 3SB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 29 December 2025
- Previous names
- Above Ground Gas Ltd (until 24 Mar 2025)
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 Mitcham
Other active plumbing and heating companies registered in Mitcham.
- Ashley Industrial Solutions Ltd2026
- Axis Vector Ltd2025
- Boiler and Heating Solutions Ltd2021
- Capitol Air Conditioning Services Ltd2006
- Certified Plumbing Ltd2020
- Combust Ltd2018
- Cool Air Conditioning and Plumbing Ltd2026
- Dads Engineering Ltd2026
All plumbing and heating companies in Mitcham · All trades in Mitcham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Above Ground Heating Ltd's accounts due?
Above Ground Heating Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Above Ground Heating 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 29 December 2025, due by 29 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Above Ground Heating Ltd still trading?
Above Ground Heating Ltd is listed as active on the Companies House register (checked 13 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 Above Ground Heating Ltd do?
Above Ground Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Above Ground Heating Ltd?
Above Ground Heating Ltd was incorporated on 30 December 2024, 1 year ago.
What is the penalty if Above Ground 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 Above Ground Heating Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.