- Companies
- Plumbers and heating engineers
- Newport
- KJW Plumbing Heating & Gas Ltd
KJW Plumbing Heating & Gas Ltd
- Company number
- 15120392
- Incorporated
- 6 Sep 20233 years trading
- Registered office
- 10 Corporation Road, Newport, NP19 0AR
- Nature of business
- Plumbing, heat and air-conditioning installation
KJW Plumbing Heating & Gas Ltd is a 3-year-old private limited company registered in Newport, company number 15120392, one of 108 plumbing and heating companies in Newport. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £5,083 (-457.1%) on the year before, to -£6,195.
- Current assets of £15K against £37K owed within a year: 0.4 times cover.
- 3 employees on average during the year.
- 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 Sep 2025 | -£6,195 | £15K | £37K | 3 | |
| 30 Sep 2024 | -£1,112 | £15K | £37K | 3 |
Where KJW Plumbing Heating & Gas Ltd is registered
The registered office is in Newport (NP19), in the Newport local authority area, Wales. Show NP19 0AR on a map.
Other trade companies in NP19
- Baths, Boilers & Beyond LtdPlumbers and heating engineers
- Volta Property Services LtdElectricians
- NP-Car Parts LimitedMotor traders
- Reaas Motor Trader LtdMotor traders
- Manuel's Auto Deals LtdMotor traders
- Atabotech Engineering Services LtdCivil engineering
- Homenstone LtdRoofers
- Gem's Cleaning & Declutter Services LimitedCleaning companies
Shared registered office
39 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 KJW Plumbing Heating & Gas 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15120392
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 September 2023 (3 years ago)
- Registered office
- 10 Corporation Road, Newport, NP19 0AR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 5 September 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 Newport
Other active plumbing and heating companies registered in Newport.
- KMK Property Services Ltd2025
- Leeair Conditioning & Refrigeration Limited2020
- Leighton James Plumbing & Heating Ltd2017
- LHN Engineering Ltd2025
- M Ralph Plumbing Ltd2024
- Morgas Limited2006
- MPH Gas Limited2009
- MTW Plumbing and Heating Limited2017
All plumbing and heating companies in Newport · All trades in Newport · Plumbers and heating engineers across the UK
Frequently asked questions
When are KJW Plumbing Heating & Gas Ltd's accounts due?
KJW Plumbing Heating & Gas Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is KJW Plumbing Heating & Gas Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is KJW Plumbing Heating & Gas Ltd still trading?
KJW Plumbing Heating & Gas 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 KJW Plumbing Heating & Gas Ltd do?
KJW Plumbing Heating & Gas Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is KJW Plumbing Heating & Gas Ltd?
KJW Plumbing Heating & Gas Ltd was incorporated on 6 September 2023, 3 years ago.
What is the penalty if KJW Plumbing Heating & Gas 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 KJW Plumbing Heating & Gas 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.