- Companies
- Specialist contractors
- London
- Itt London Ltd
Itt London Ltd
- Company number
- 13963760
- Incorporated
- 8 Mar 20224 years trading
- Registered office
- 17 Green Lanes, London, N16 9BS
- Nature of business
- Other specialised construction activities n.e.c.
Itt London Ltd is a 4-year-old private limited company registered in London, company number 13963760, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £38K (-58.8%) on the year before, to -£102K.
- Current assets of £43K against £152K owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£102K | £764 | £43K | £152K | 1 |
| 29 Feb 2024 | -£64K | £73K | 1 | ||
| 28 Feb 2023 | -£5,741 | £13K | 0 |
Where Itt London Ltd is registered
The registered office is in London (N16), in the Islington local authority area, London. Show N16 9BS on a map.
Other trade companies in N16
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- RSV2Cleaning LtdCleaning companies
- Tura Property Solutions LtdBuilders
- Stokey Group LtdPlumbers and heating engineers
- Core Maintenance London LtdFinishing trades
- JSW Bathrooms LimitedElectricians
- Y.E.D. Building and Construction Services LtdPlumbers and heating engineers
- Olga Services LtdBuilders
Shared registered office
61 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 Itt London 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13963760
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 March 2022 (4 years ago)
- Registered office
- 17 Green Lanes, London, N16 9BS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 7 March 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.
- Itt Service Limited2007
- Iv Roofing Ltd2024
- Iveragh Site Services Limited2007
- Ivilon Limited2014
- Ivm Utilities Ltd2023
- Ivory Roofing & Maintenance Ne Ltd2025
- Ivtb Ltd2019
- Ivu Drylining Ltd2025
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Itt London Ltd's accounts due?
Itt London Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Itt London Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Itt London Ltd still trading?
Itt London 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 Itt London Ltd do?
Itt London Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Itt London Ltd?
Itt London Ltd was incorporated on 8 March 2022, 4 years ago.
What is the penalty if Itt London 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 Itt London 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.