- Companies
- Specialist contractors
- London
- J Coffey Plumbing and Heating Limited
J Coffey Plumbing and Heating Limited
- Company number
- 15399862
- Incorporated
- 9 Jan 20242 years trading
- Registered office
- First Floor, 677 High Road, London, N12 0DA
- Nature of business
- Other specialised construction activities n.e.c.
J Coffey Plumbing and Heating Limited is a 2-year-old private limited company registered in London, company number 15399862, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 £4,103 (-71.4%) on the year before, to £1,644.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £1,644 | £39K | £59K | 1 | |
| 31 Jan 2025 | £5,747 | £2,963 | £16K | 1 | |
| 31 Jan 2024 | £0 | £0 | £0 |
Where J Coffey Plumbing and Heating Limited is registered
The registered office is in London (N12), in the Barnet local authority area, London. Show N12 0DA on a map.
Other trade companies in N12
- Sullivan Property and Maintenance LtdFacilities management
- Mael Property Services LtdFinishing trades
- Horizon Constructors LtdProperty developers
- Alfawine Group LimitedFinishing trades
- Sam Motors Group LimitedMotor traders
- Heating on Demand LtdPlumbers and heating engineers
- Premium Electrical LtdElectricians
- Amaiya Sparks LtdCleaning companies
Also registered at this address
13 other companies use the same registered office as J Coffey Plumbing and Heating Limited.
- Apex Plumbing and Maintenance LimitedPlumbers and heating engineers
- BFC Maintenance LimitedCleaning companies
- Carpathian Prestige LimitedMotor traders
- Diggs London Build LtdFinishing trades
- Fundamental Design & Construction LimitedProperty developers
- Infinite Green LimitedLandscapers and gardeners
- Just A Phase LimitedElectricians
- MPG Plumbing and Gas LimitedSpecialist contractors
- Oaker Construction LimitedBuilders
- Peard Construction LimitedProperty developers
- Reico Property Group LimitedProperty developers
- Resinology LimitedFloor and wall tilers
- Sawfs LimitedSpecialist contractors
What happens if J Coffey Plumbing and Heating 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 15399862
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 January 2024 (2 years ago)
- Registered office
- First Floor, 677 High Road, London, N12 0DA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 8 January 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
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Other active specialist construction companies registered in London.
- J D Carpentry & Build Ltd2025
- J E Controls Limited2023
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- J Holder Digger Works Limited2023
- J Interiors and Exteriors Ltd2015
- J K B Plant Services Limited2015
- J K Civils Ltd2022
- J M Sailsman Limited2020
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Frequently asked questions
When are J Coffey Plumbing and Heating Limited's accounts due?
J Coffey Plumbing and Heating Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is J Coffey Plumbing and Heating Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is J Coffey Plumbing and Heating Limited still trading?
J Coffey Plumbing and Heating 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 J Coffey Plumbing and Heating Limited do?
J Coffey Plumbing and Heating Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is J Coffey Plumbing and Heating Limited?
J Coffey Plumbing and Heating Limited was incorporated on 9 January 2024, 2 years ago.
What is the penalty if J Coffey Plumbing and Heating 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 J Coffey Plumbing and Heating 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.