- Companies
- Installers
- Uxbridge
- Leonard Steel Works Limited
Leonard Steel Works Limited
- Company number
- 13051445
- Incorporated
- 30 Nov 20205 years trading
- Registered office
- Yard 3 Copthall Farm Breakspear Road South, Ickenham, Uxbridge, UB10 8HB
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.
Leonard Steel Works Limited is a 5-year-old private limited company registered in Uxbridge, company number 13051445, one of 50 installation companies (insulation, lifts, shutters and similar) in Uxbridge. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £54K (+74.8%) on the year before, to £126K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £458K against £380K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £126K | £458K | £380K | 1 | |
| 30 Nov 2024 | £72K | £416K | £382K | 1 | |
| 30 Nov 2023 | £42K | £243K | £232K | 1 | |
| 30 Nov 2022 | £32K | £108K | £102K | 1 | |
| 30 Nov 2021 | £23K | £47K | £48K | 1 |
Where Leonard Steel Works Limited is registered
The registered office is in Uxbridge (UB10), in the Hillingdon local authority area, London. Show UB10 8HB on a map.
Other trade companies in UB10
- Buildmag LtdSpecialist contractors
- The Notch Homes LimitedJoiners and carpenters
- Platinum Grade Building LimitedFinishing trades
- Reno Move LtdPainters and decorators
- Giant Trade LimitedMotor traders
- Tiarni Grace Aviation Services LtdMachinery repair and installation
- LKL Vehicle Sales LtdMotor traders
- P Builds LtdPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as Leonard Steel Works Limited.
- Chinnor Services LimitedInstallers
What happens if Leonard Steel Works 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 13051445
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 November 2020 (5 years ago)
- Registered office
- Yard 3 Copthall Farm Breakspear Road South, Ickenham, Uxbridge, UB10 8HB
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 29 November 2025
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Uxbridge
Other active installation companies (insulation, lifts, shutters and similar) registered in Uxbridge.
- London Screwbase Limited2024
- McElroy Scenery Ltd2025
- MCMJ Handyman Ltd2019
- North West London Roofing Ltd2022
- Office Furniture Services Ltd2017
- RJ Purser Ltd2015
- RJM Insulation Limited2014
- RJM Renewables Limited2025
All installation companies (insulation, lifts, shutters and similar) in Uxbridge · All trades in Uxbridge · Installers across the UK
Frequently asked questions
When are Leonard Steel Works Limited's accounts due?
Leonard Steel Works Limited's next accounts are due at Companies House by 31 August 2027 (in 321 days), covering the period to 30 November 2026.
When is Leonard Steel Works Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Leonard Steel Works Limited still trading?
Leonard Steel Works 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 Leonard Steel Works Limited do?
Leonard Steel Works Limited is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is Leonard Steel Works Limited?
Leonard Steel Works Limited was incorporated on 30 November 2020, 5 years ago.
What is the penalty if Leonard Steel Works 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 Leonard Steel Works 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.