- Companies
- Installers
- South Croydon
- J Watkins Ltd
J Watkins Ltd
- Company number
- 13513765
- Incorporated
- 15 Jul 20215 years trading
- Registered office
- 16 Princes Avenue, South Croydon, CR2 9BA
- Nature of business
- Other construction installation
J Watkins Ltd is a 5-year-old private limited company registered in South Croydon, company number 13513765, one of 27 installation companies (insulation, lifts, shutters and similar) in South Croydon. Its next accounts are due at Companies House on 5 January 2027, and its first CT600 is due at HMRC on 31 March 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 £30K (+400.5%) on the year before, to £37K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £61K against £23K owed within a year: 2.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £37K | £4,431 | £61K | £23K | 1 |
| 31 Mar 2024 | £7,452 | £8,024 | £25K | £17K | 1 |
| 5 Apr 2023 | £7,570 | £2,449 | £5,219 | £2,351 | 1 |
| 31 Mar 2023 | £7,569 | £2,449 | £20K | £12K | 1 |
| 5 Apr 2022 | £100 |
Where J Watkins Ltd is registered
The registered office is in South Croydon (CR2), in the Croydon local authority area, London. Show CR2 9BA on a map.
Other trade companies in CR2
- Noviolux LtdPainters and decorators
- Ottorigo LimitedInstallers
- DRJ Electricals-Gas LtdElectricians
- The New Drivers Shop LtdMotor traders
- Knoxford Plumbing & Heating LtdPlumbers and heating engineers
- Frontline Design & Build LtdBuilders
- Vellarowheels LtdMotor traders
- Lady Ace Cleaning Co LimitedCleaning companies
What happens if J Watkins 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 5 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2027 to 5 Feb 2027 | £150 |
| 1 to 3 months late | 6 Feb 2027 to 5 Apr 2027 | £375 |
| 3 to 6 months late | 6 Apr 2027 to 5 Jul 2027 | £750 |
| More than 6 months late | From 6 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2027 | £200 |
| 3 months late | 5 Jul 2027 | another £200 |
| 6 months late | 5 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 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
- 13513765
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 July 2021 (5 years ago)
- Registered office
- 16 Princes Avenue, South Croydon, CR2 9BA
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 July 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in South Croydon
Other active installation companies (insulation, lifts, shutters and similar) registered in South Croydon.
- JH Bay Ltd2025
- Luxury Carpet Club Ltd2026
- Malg Ltd2012
- Marsh Lifts Ltd2026
- Miles Solutions Limited2016
- One Wharf Ltd2011
- Ottorigo Limited2026
- Paragraph Tech Ltd2024
All installation companies (insulation, lifts, shutters and similar) in South Croydon · All trades in South Croydon · Installers across the UK
Frequently asked questions
When are J Watkins Ltd's accounts due?
J Watkins Ltd's next accounts are due at Companies House by 5 January 2027 (in 84 days), covering the period to 5 April 2026.
When is J Watkins Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2026, due by 31 March 2027, and one for the period to 5 April 2026, due by 5 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is J Watkins Ltd still trading?
J Watkins Ltd is listed as active on the Companies House register (checked 13 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 Watkins Ltd do?
J Watkins Ltd is registered under Other construction installation (SIC 43290).
How old is J Watkins Ltd?
J Watkins Ltd was incorporated on 15 July 2021, 5 years ago.
What is the penalty if J Watkins 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 J Watkins Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.