- Companies
- Plumbers and heating engineers
- Dartford
- CNB Gas and Plumbing Services Limited
CNB Gas and Plumbing Services Limited
- Company number
- 08472647
- Incorporated
- 4 Apr 201313 years trading
- Registered office
- 8 Twisleton Court, Priory Hill, Dartford, Kent, DA1 2EN
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation
CNB Gas and Plumbing Services Limited is a 13-year-old private limited company registered in Dartford, company number 08472647, one of 121 plumbing and heating companies in Dartford. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £3,782 (-71.2%) on the year before, to £1,531.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £21K against £33K owed within a year: 0.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £1,531 | £20K | £21K | £33K | 2 |
| 30 Apr 2025 | £5,313 | £18K | £20K | £34K | 2 |
| 30 Apr 2024 | £14K | £25K | £26K | £36K | 2 |
| 30 Apr 2023 | £1,493 | £22K | £23K | £19K | 2 |
| 30 Apr 2022 | £6,038 | £36K | £41K | £31K | 2 |
| 30 Apr 2021 | £6,472 | £41K | £42K | £32K | 2 |
| 30 Apr 2020 | -£140 | £31K | £32K | £28K | 2 |
| 30 Apr 2019 | £34 | £13K | £16K | £13K | 2 |
| 30 Apr 2018 | -£273 | £16K | £18K | £17K | 3 |
| 30 Apr 2017 | £41 | £16K | £19K | £18K | 3 |
Where CNB Gas and Plumbing Services Limited is registered
The registered office is in Dartford (DA1), in the Dartford local authority area, South East. Show DA1 2EN on a map.
Other trade companies in DA1
- Unit 6 Bespoke LtdSpecialist contractors
- Smartlifting LtdBuilders
- Degrees Bespoke Finishes LtdPlasterers
- A & A Electrical and Refrigeration LtdBuilders
- Elm Servicing LtdMachinery repair and installation
- WND Refrigeration LimitedPlumbers and heating engineers
- Moore Flooring and Sons LtdFloor and wall tilers
- Kinergy Systems LtdElectricians
Shared registered office
50 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 CNB Gas and Plumbing Services 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 08472647
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 April 2013 (13 years ago)
- Registered office
- 8 Twisleton Court, Priory Hill, Dartford, Kent, DA1 2EN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 4 June 2026
- Previous names
- CNB Gas Services Ltd (until 8 Apr 2013)
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 Dartford
Other active plumbing and heating companies registered in Dartford.
- Commflow Solutions UK Ltd2023
- Cool Guys Air Conditioning Ltd2018
- CPF Heating Services Ltd2021
- CPM FM & Building Services Ltd2022
- D & D Surfacing Ltd2016
- D & M Mechanical Ltd2023
- D & M Plumbing and Heating Solutions Ltd2019
- D & M Services (South ) Ltd2026
All plumbing and heating companies in Dartford · All trades in Dartford · Plumbers and heating engineers across the UK
Frequently asked questions
When are CNB Gas and Plumbing Services Limited's accounts due?
CNB Gas and Plumbing Services Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is CNB Gas and Plumbing Services Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is CNB Gas and Plumbing Services Limited still trading?
CNB Gas and Plumbing Services 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 CNB Gas and Plumbing Services Limited do?
CNB Gas and Plumbing Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is CNB Gas and Plumbing Services Limited?
CNB Gas and Plumbing Services Limited was incorporated on 4 April 2013, 13 years ago.
What is the penalty if CNB Gas and Plumbing Services 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 CNB Gas and Plumbing Services 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.