- Company number
- 15088453
- Incorporated
- 22 Aug 20233 years trading
- Registered office
- 205 Railway Street, Splott, Cardiff, CF24 2NB
- Nature of business
- Glazing
KNR Maintenance Limited is a 3-year-old private limited company registered in Cardiff, company number 15088453, one of 26 glazing companies in Cardiff. Its next accounts are due at Companies House on 31 May 2028, and the CT600 for the period to 31 August 2027 is due at HMRC on 31 August 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where KNR Maintenance Limited is registered
The registered office is in Cardiff (CF24), in the Cardiff local authority area, Wales. Show CF24 2NB on a map.
Other trade companies in CF24
- New Capital Tyres LtdMotor traders
- Beza Home Climate LtdPlumbers and heating engineers
- Jafa Construction LtdBuilders
- A R Lawn Care & Garden Services LtdLandscapers and gardeners
- RK Asset & Trading Co LtdMotor traders
- ZCC Garage LtdMechanics and garages
- Szot LtdPlasterers
- Oceanway Tyres LtdMechanics and garages
What happens if KNR Maintenance 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 31 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2028 to 30 Jun 2028 | £150 |
| 1 to 3 months late | 1 Jul 2028 to 31 Aug 2028 | £375 |
| 3 to 6 months late | 1 Sep 2028 to 30 Nov 2028 | £750 |
| More than 6 months late | From 1 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- 15088453
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 August 2023 (3 years ago)
- Registered office
- 205 Railway Street, Splott, Cardiff, CF24 2NB
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2026
- Last confirmation statement
- 21 August 2026
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Cardiff
Other active glazing companies registered in Cardiff.
- Lucas Glassworks Ltd2023
- M Price International Limited2021
- Mee Glazed Products Limited2014
- MK Glazing Ltd2023
- Pce Windows Ltd2011
- PG Fittings Ltd2017
- Secura Windows Limited2011
- Solar Gard Window Enhancements Limited2014
All glazing companies in Cardiff · All trades in Cardiff · Glaziers across the UK
Frequently asked questions
When are KNR Maintenance Limited's accounts due?
KNR Maintenance Limited's next accounts are due at Companies House by 31 May 2028 (in 596 days), covering the period to 31 August 2027.
When is KNR Maintenance Limited's CT600 due?
The CT600 for the period to 31 August 2027 is due at HMRC by 31 August 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2028.
Is KNR Maintenance Limited still trading?
KNR Maintenance 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 KNR Maintenance Limited do?
KNR Maintenance Limited is registered under Glazing (SIC 43342).
How old is KNR Maintenance Limited?
KNR Maintenance Limited was incorporated on 22 August 2023, 3 years ago.
What is the penalty if KNR Maintenance 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 KNR Maintenance 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.