- Companies
- Plumbers and heating engineers
- London
- All in One Plumbing & Heating Ltd
All in One Plumbing & Heating Ltd
- Company number
- 16890860
- Incorporated
- 4 Dec 2025
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation; Other building completion and finishing
All in One Plumbing & Heating Ltd is a newly incorporated private limited company registered in London, company number 16890860, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 4 September 2027, and its first CT600 is due at HMRC on 3 December 2027.
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 All in One Plumbing & Heating Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 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 All in One Plumbing & 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 4 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Sep 2027 to 4 Oct 2027 | £150 |
| 1 to 3 months late | 5 Oct 2027 to 4 Dec 2027 | £375 |
| 3 to 6 months late | 5 Dec 2027 to 4 Mar 2028 | £750 |
| More than 6 months late | From 5 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16890860
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 December 2025
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 31 December (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 London
Other active plumbing and heating companies registered in London.
- All in One Property Services London Limited2011
- All Seasons Air Conditioning Ltd2026
- All Service Plumbers 4U Limited2016
- All That Gas Limited2014
- All Under One Roof Services Ltd2008
- Allingas Plumbing & Heating Limited2018
- Allln Building Services Ltd2022
- Alltask Plumbing Ltd2021
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are All in One Plumbing & Heating Ltd's accounts due?
All in One Plumbing & Heating Ltd's next accounts are due at Companies House by 4 September 2027 (in 326 days), covering the period to 31 December 2026.
When is All in One Plumbing & 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 3 December 2026, due by 3 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is All in One Plumbing & Heating Ltd still trading?
All in One Plumbing & 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 All in One Plumbing & Heating Ltd do?
All in One Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is All in One Plumbing & Heating Ltd?
All in One Plumbing & Heating Ltd was incorporated on 4 December 2025, less than a year ago.
What is the penalty if All in One Plumbing & 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 All in One Plumbing & 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.