- Companies
- Plumbers and heating engineers
- Nelson
- K. Jennick Limited
K. Jennick Limited
- Company number
- 04539139
- Incorporated
- 18 Sep 200224 years trading
- Registered office
- Bryn Llefrith, Llanfabon Road, Nelson, CF46 6PG
- Nature of business
- Plumbing, heat and air-conditioning installation
K. Jennick Limited is a 24-year-old private limited company registered in Nelson, company number 04539139, one of 28 plumbing and heating companies in Nelson. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £26K (+27.1%) on the year before, to £123K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £106K against £9,576 owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £123K | £106K | £9,576 | 2 | |
| 31 Aug 2024 | £97K | £94K | £7,869 | 2 | |
| 31 Aug 2023 | £81K | £64K | £182 | 2 | |
| 30 Sep 2022 | £101K | £127K | £27K | 2 | |
| 30 Sep 2021 | £98K | £115K | £20K | 2 | |
| 30 Sep 2020 | £94K | £117K | £27K | 2 | |
| 30 Sep 2019 | £61K | £65K | £8,578 | ||
| 30 Sep 2018 | £50K | £61K | £18K | ||
| 30 Sep 2017 | £39K | £145K | £116K | ||
| 30 Sep 2016 | £27K | £162K | £148K |
Where K. Jennick Limited is registered
The registered office is in Nelson (CF46), in the Caerphilly local authority area, Wales. Show CF46 6PG on a map.
Other trade companies in CF46
- Dragon Water Services LtdPlumbers and heating engineers
- All Cleaned Up FM LtdCleaning companies
- Stadeyn Civils & Groundworks LtdCivil engineering
- JDP Plumbing & Property Maintenance LtdBuilders
- Alpha Exterior Solutions LtdCleaning companies
- Foreman's Tyres LimitedMotor traders
- Fox Electrical and Building Maintenance LtdBuilders
- L M Hydraulic Services LimitedMachinery repair and installation
What happens if K. Jennick 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 04539139
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 September 2002 (24 years ago)
- Registered office
- Bryn Llefrith, Llanfabon Road, Nelson, CF46 6PG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 18 September 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 Nelson
Other active plumbing and heating companies registered in Nelson.
- NH Telecoms Ltd2014
- Ozzy Heat & Gas Services Limited2021
- Rsellahi Ltd2019
- Source Heating Limited2017
- Srellahi Ltd2024
- Tuke Heating Ltd2015
- Walker James Heating and Cooling Ltd2024
- Wrightgas NW Ltd2026
All plumbing and heating companies in Nelson · All trades in Nelson · Plumbers and heating engineers across the UK
Frequently asked questions
When are K. Jennick Limited's accounts due?
K. Jennick Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is K. Jennick Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is K. Jennick Limited still trading?
K. Jennick Limited is listed as active on the Companies House register (checked 12 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 K. Jennick Limited do?
K. Jennick Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is K. Jennick Limited?
K. Jennick Limited was incorporated on 18 September 2002, 24 years ago.
What is the penalty if K. Jennick 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 K. Jennick Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.