- Companies
- Finishing trades
- Harrow
- Iz Contractors Ltd
Iz Contractors Ltd
- Company number
- 07862292
- Incorporated
- 28 Nov 201114 years trading
- Registered office
- Flat 3 Byron Court, Byron Road, Harrow, Middlesex, HA1 1JS
- Nature of business
- Other building completion and finishing
Iz Contractors Ltd is a 14-year-old private limited company registered in Harrow, company number 07862292, one of 251 building finishing companies in Harrow. 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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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House.
Iz Contractors Ltd over the years
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 £2,494 (-4.6%) on the year before, to £51K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £72K against £29K owed within a year: 2.5 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £51K | £72K | £72K | £29K | 4 |
| 30 Nov 2024 | £54K | £83K | £83K | £41K | 4 |
| 30 Nov 2023 | £43K | £64K | £79K | £36K | 4 |
| 30 Nov 2022 | £18K | £29K | £15K | 4 | |
| 30 Nov 2021 | £35K | £64K | £40K | 4 | |
| 30 Nov 2020 | £16K | £37K | £36K | 4 | |
| 30 Nov 2019 | £963 | £42K | £45K | 4 | |
| 30 Nov 2018 | £25K | £36K | £11K | 4 | |
| 30 Nov 2017 | £80K | £111K | £32K | 4 | |
| 30 Nov 2016 | £48K | £86K | £41K |
Where Iz Contractors Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1JS on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
1 other company uses the same registered office as Iz Contractors Ltd.
- I&D Cleaning LtdCleaning companies
What happens if Iz Contractors 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 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
- 07862292
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 2011 (14 years ago)
- Registered office
- Flat 3 Byron Court, Byron Road, Harrow, Middlesex, HA1 1JS
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 8 January 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Harrow
Other active building finishing companies registered in Harrow.
- J&J Premium Construction Ltd2018
- Jagz Construction Ltd2007
- Jam Brothers Limited2021
- Jariv Management Limited2022
- Jeff Building Solutions Ltd2014
- Johalian Property Limited2002
- Jora Services Ltd2010
- Josh & Co Builders Ltd2026
All building finishing companies in Harrow · All trades in Harrow · Finishing trades across the UK
Frequently asked questions
When are Iz Contractors Ltd's accounts due?
Iz Contractors Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Iz Contractors Ltd'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 Iz Contractors Ltd still trading?
Iz Contractors 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 Iz Contractors Ltd do?
Iz Contractors Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Iz Contractors Ltd?
Iz Contractors Ltd was incorporated on 28 November 2011, 14 years ago.
What is the penalty if Iz Contractors 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 Iz Contractors 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.