- Companies
- Finishing trades
- Cardiff
- Koretrix Surfaces Limited
Company profile · Finishing trades
Koretrix Surfaces Limited
Koretrix Surfaces Limited is a 24-year-old private limited company registered in Cardiff, company number 04496233, one of 129 building finishing companies in Cardiff. Companies House shows its accounts as overdue: they were due on 30 April 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Koretrix Surfaces LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Koretrix Surfaces Limited 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 £3,380 (-1.4%) on the year before, to -£240K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2024 | -£240K | £240K | 0 | ||
| 31 Jul 2023 | -£236K | £0 | £236K | 2 | |
| 31 Jul 2022 | -£168K | £0 | £66K | £208K | 2 |
| 31 Jul 2021 | -£125K | £3,828 | £144K | £237K | 6 |
| 31 Jul 2020 | -£108K | £1,167 | £142K | £208K | 5 |
| 31 Jul 2019 | -£17K | £680 | £173K | £217K | |
| 31 Jul 2018 | £38K | £680 | £205K | £202K | |
| 31 Jul 2017 | £34K | £560 | £266K | £271K | |
| 31 Jul 2016 | £34K | £560 | £193K | £195K | |
| 31 Jul 2015 | £26K | £560 | £238K | £254K |
Where Koretrix Surfaces Limited is registered
The registered office is in Cardiff (CF14), in the Caerphilly local authority area, Wales. Show CF14 8LH on a map.
Other trade companies in CF14
- Velren Group LtdProperty developers
- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
What happens if Koretrix Surfaces Limited files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2026 to 31 May 2026 | £150 |
| 1 to 3 months late | 1 Jun 2026 to 31 Jul 2026 | £375 |
| 3 to 6 months late | 1 Aug 2026 to 31 Oct 2026 | £750 |
| More than 6 months late | From 1 Nov 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2026 | £200 |
| 3 months late | 31 Oct 2026 | another £200 |
| 6 months late | 31 Jan 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2027 | 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
- 04496233
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 July 2002 (24 years ago)
- Registered office
- PO Box 4385, 04496233 - Companies House Default Address, Cardiff, CF14 8LH
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2024
- Last confirmation statement
- 8 April 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
- Previous names
- Northrise Limited (until 22 Apr 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 Cardiff
Other active building finishing companies registered in Cardiff.
- KWB Construction Limited2020
- L D Rees Limited2011
- L.B Consttructions Ltd2023
- La Building & Renovations Limited2019
- Left Right Circle Company Limited2023
- Lewis & Perkins Limited2012
- LFT Maintenance Ltd1994
- Lloyds Contracts Limited2009
All building finishing companies in Cardiff · All trades in Cardiff · Finishing trades across the UK
Frequently asked questions
When are Koretrix Surfaces Limited's accounts due?
Koretrix Surfaces Limited's accounts were due at Companies House on 30 April 2026 and the register shows them as overdue.
When is Koretrix Surfaces Limited's CT600 due?
The CT600 for the period to 31 July 2025 is due at HMRC by 31 July 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2026.
Is Koretrix Surfaces Limited still trading?
Koretrix Surfaces Limited is listed as active on the Companies House register (checked 12 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 Koretrix Surfaces Limited do?
Koretrix Surfaces Limited is registered under Other building completion and finishing (SIC 43390).
How old is Koretrix Surfaces Limited?
Koretrix Surfaces Limited was incorporated on 26 July 2002, 24 years ago.
What is the penalty if Koretrix Surfaces 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 Koretrix Surfaces Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.