- Companies
- Plumbers and heating engineers
- Lincoln
- Ja Cox Heating Ltd
Ja Cox Heating Ltd
- Company number
- 08032611
- Incorporated
- 17 Apr 201214 years trading
- Registered office
- 2 Greenwood Close, Waddington, Lincoln, LN5 9DW
- Nature of business
- Plumbing, heat and air-conditioning installation
Ja Cox Heating Ltd is a 14-year-old private limited company registered in Lincoln, company number 08032611, one of 130 plumbing and heating companies in Lincoln. 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 £5,587 (-7.3%) on the year before, to £71K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £236K against £169K owed within a year: 1.4 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £71K | £236K | £169K | 1 | |
| 30 Apr 2024 | £77K | £226K | £154K | 1 | |
| 30 Apr 2023 | £56K | £272K | £223K | 2 | |
| 30 Apr 2022 | £58K | £258K | £208K | 3 | |
| 30 Apr 2021 | £46K | £176K | £138K | 2 | |
| 30 Apr 2020 | £48K | £172K | £136K | 2 | |
| 30 Apr 2019 | £51K | £169K | £133K | 2 | |
| 30 Apr 2018 | £31K | £189K | £160K | 2 | |
| 30 Apr 2017 | £25K | £149K | £128K | ||
| 30 Apr 2016 | £24K | £140K |
Where Ja Cox Heating Ltd is registered
The registered office is in Lincoln (LN5), in the North Kesteven local authority area, East Midlands. Show LN5 9DW on a map.
Other trade companies in LN5
- Custom Home Improvements LtdRoofers
- Bassingham MOT and Service LtdMechanics and garages
- Timbr Projects LtdBuilders
- Jap Engineering LtdMachinery repair and installation
- Summit Alliance LtdSpecialist contractors
- Stonevera Group LtdProperty developers
- Roy Touch Cleaning Service LtdCleaning companies
- Odourfree LtdCleaning companies
What happens if Ja Cox 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 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
- 08032611
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 April 2012 (14 years ago)
- Registered office
- 2 Greenwood Close, Waddington, Lincoln, LN5 9DW
- 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
- 16 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 Lincoln
Other active plumbing and heating companies registered in Lincoln.
- James Taylor Plumbing and Heating Ltd2026
- Jeff Keen Building Services Limited2013
- JM Heating Lincoln Ltd2019
- John Foster Plumbing & Heating Ltd2012
- JS Projects (Lincoln) Limited2025
- JT Plumbing Ltd2026
- Justin Lawson Plumbing & Heating Limited2011
- K & Ym Scarborough Limited2002
All plumbing and heating companies in Lincoln · All trades in Lincoln · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ja Cox Heating Ltd's accounts due?
Ja Cox Heating 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 Ja Cox Heating 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 Ja Cox Heating Ltd still trading?
Ja Cox 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 Ja Cox Heating Ltd do?
Ja Cox Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ja Cox Heating Ltd?
Ja Cox Heating Ltd was incorporated on 17 April 2012, 14 years ago.
What is the penalty if Ja Cox 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 Ja Cox 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.