- Companies
- Specialist contractors
- London
- London Steel Fab Limited
London Steel Fab Limited
- Company number
- 11368209
- Incorporated
- 17 May 20188 years trading
- Registered office
- C/O Archer Associates Churchill House, 120 Bunns Lane, London, NW7 2AS
- Nature of business
- Other specialised construction activities n.e.c.
London Steel Fab Limited is a 8-year-old private limited company registered in London, company number 11368209, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £58K (+7.5%) on the year before, to £837K.
- Net assets rose in 6 of 6 year-on-year comparisons on record.
- Current assets of £882K against £336K owed within a year: 2.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £837K | £305K | £882K | £336K | 0 |
| 31 May 2024 | £779K | £327K | £898K | £433K | 17 |
| 31 May 2023 | £596K | £234K | £672K | £175K | 15 |
| 31 May 2022 | £465K | £256K | £453K | £112K | 15 |
| 31 May 2021 | £410K | £319K | £533K | £168K | 14 |
| 31 May 2020 | £223K | £201K | £335K | £132K | 10 |
| 31 May 2019 | £89K | £217K | £279K | £190K |
Where London Steel Fab Limited is registered
The registered office is in London (NW7), in the Barnet local authority area, London. Show NW7 2AS on a map.
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Shared registered office
47 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if London Steel Fab 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 11368209
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 May 2018 (8 years ago)
- Registered office
- C/O Archer Associates Churchill House, 120 Bunns Lane, London, NW7 2AS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 16 May 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.
Similar companies in London
Other active specialist construction companies registered in London.
- London Surveying Consultancy Limited2026
- London UK Builders Ltd2022
- London Wall Systems Ltd2025
- London's Prestige Limited2024
- Longbridge Fire Doors Ltd2026
- Loolan Limited2026
- Lords Army Crew Limited2021
- Loro Group Ltd2025
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are London Steel Fab Limited's accounts due?
London Steel Fab Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is London Steel Fab Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is London Steel Fab Limited still trading?
London Steel Fab 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 London Steel Fab Limited do?
London Steel Fab Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is London Steel Fab Limited?
London Steel Fab Limited was incorporated on 17 May 2018, 8 years ago.
What is the penalty if London Steel Fab 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 London Steel Fab 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.