- Companies
- Finishing trades
- London
- Koil Materials Ltd
Koil Materials Ltd
- Company number
- 15127119
- Incorporated
- 10 Sep 20233 years trading
- Registered office
- 90 Brixton Hill, London, SW2 1QN
- Nature of business
- Other building completion and finishing; Agents involved in the sale of timber and building materials
Koil Materials Ltd is a 3-year-old private limited company registered in London, company number 15127119, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £795 (-795%) on the year before, to -£695.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£695 | £90 | £785 | 0 | |
| 30 Sep 2024 | £100 | £100 |
Where Koil Materials Ltd is registered
The registered office is in London (SW2), in the Lambeth local authority area, London. Show SW2 1QN on a map.
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Also registered at this address
16 other companies use the same registered office as Koil Materials Ltd.
- Adageo LtdJoiners and carpenters
- Blue Developments LimitedFinishing trades
- Bright Star Cleaning Services LtdCleaning companies
- Extract Solutions LimitedCleaning companies
- Glass Interior Design LimitedFinishing trades
- GMM Builders LtdFinishing trades
- Le Bicycle LtdMachinery repair and installation
- Polish Specialities Properties LtdProperty developers
- Posh PPF LtdMechanics and garages
- Posh Wash LtdMechanics and garages
- Prodec London LtdPainters and decorators
- Stage Blue Engineering LtdSpecialist contractors
- Stage Blue LtdElectricians
- Total Decorating Service LtdPainters and decorators
- Total Glazing Installations LimitedBuilders
- Welan Contractors LimitedFinishing trades
What happens if Koil Materials 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15127119
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 September 2023 (3 years ago)
- Registered office
- 90 Brixton Hill, London, SW2 1QN
- Nature of business
- Other building completion and finishing (SIC 43390)
Agents involved in the sale of timber and building materials (SIC 46130) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 7 August 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 London
Other active building finishing companies registered in London.
- Koko's Furniture Ltd2016
- Kombinat Construction Ltd2020
- Konukov 1985 Ltd2019
- Korreshi Group Ltd2021
- Kostek Ltd2026
- Kostia G Limited2017
- Koti Renovations Ltd2026
- Koulermos Building Contractors Limited2019
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Koil Materials Ltd's accounts due?
Koil Materials Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Koil Materials Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Koil Materials Ltd still trading?
Koil Materials 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 Koil Materials Ltd do?
Koil Materials Ltd is registered under Other building completion and finishing (SIC 43390); Agents involved in the sale of timber and building materials (SIC 46130).
How old is Koil Materials Ltd?
Koil Materials Ltd was incorporated on 10 September 2023, 3 years ago.
What is the penalty if Koil Materials 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 Koil Materials 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.