- Companies
- Plumbers and heating engineers
- London
- R B Ambient Ltd
R B Ambient Ltd
- Company number
- 14792121
- Incorporated
- 11 Apr 20233 years trading
- Registered office
- Unit 10, Southbrook Mews, London, SE12 8LG
- Nature of business
- Plumbing, heat and air-conditioning installation
R B Ambient Ltd is a 3-year-old private limited company registered in London, company number 14792121, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 down £13K (-14.6%) on the year before, to £74K.
- Current assets of £111K against £48K owed within a year: 2.3 times cover.
- 2 employees on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £74K | £111K | £48K | 2 | |
| 30 Apr 2024 | £86K | £99K | £127K | £41K | 0 |
Where R B Ambient Ltd is registered
The registered office is in London (SE12), in the Lewisham local authority area, London. Show SE12 8LG on a map.
Other trade companies in SE12
- Myfixman LtdPainters and decorators
- The Vaults Group LtdInstallers
- Vbo Mechanical LimitedBuilders
- Proair Duct Solutions LimitedSpecialist contractors
- VTK Construction LtdCivil engineering
- Afm Projects LtdCleaning companies
- Handy J LtdPainters and decorators
- Euniability LtdProperty developers
Also registered at this address
1 other company uses the same registered office as R B Ambient Ltd.
- SJ Electrical & Renewable LimitedElectricians
What happens if R B Ambient 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 14792121
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2023 (3 years ago)
- Registered office
- Unit 10, Southbrook Mews, London, SE12 8LG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 7 April 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 London
Other active plumbing and heating companies registered in London.
- R C Cooling Ltd2021
- R Elite Limited2018
- R G Wilson Gas and Heating Limited2017
- R H Heating & Gas Services Ltd2019
- R H Plumbing Services Ltd2010
- R M Engineering Private Limited2025
- R Russell Plumbing and Heating Ltd2019
- R S Boiler Services Limited2019
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are R B Ambient Ltd's accounts due?
R B Ambient Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is R B Ambient Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is R B Ambient Ltd still trading?
R B Ambient 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 R B Ambient Ltd do?
R B Ambient Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is R B Ambient Ltd?
R B Ambient Ltd was incorporated on 11 April 2023, 3 years ago.
What is the penalty if R B Ambient 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 R B Ambient 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.