- Companies
- Finishing trades
- Cardiff
- KWB Construction Limited
KWB Construction Limited
- Company number
- 12962066
- Incorporated
- 20 Oct 20205 years trading
- Registered office
- 47 Coed Y Wenallt, Rhiwbina, Cardiff, CF14 6TN
- Nature of business
- Other building completion and finishing
KWB Construction Limited is a 5-year-old private limited company registered in Cardiff, company number 12962066, one of 129 building finishing companies in Cardiff. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £5,222 (-4.4%) on the year before, to £114K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £210K against £98K owed within a year: 2.1 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £114K | £93K | £210K | £98K | 3 |
| 31 Oct 2024 | £120K | £122K | £222K | £106K | 3 |
| 31 Oct 2023 | £158K | £216K | £322K | £168K | 3 |
| 31 Oct 2022 | £115K | £193K | £242K | £134K | 3 |
| 31 Oct 2021 | £117K | £160K | £190K | £79K | 2 |
Where KWB Construction Limited is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 6TN 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 KWB Construction 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 12962066
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 October 2020 (5 years ago)
- Registered office
- 47 Coed Y Wenallt, Rhiwbina, Cardiff, CF14 6TN
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 19 October 2025
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.
- 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
- Lysenko Buildcraft Ltd2026
All building finishing companies in Cardiff · All trades in Cardiff · Finishing trades across the UK
Frequently asked questions
When are KWB Construction Limited's accounts due?
KWB Construction Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is KWB Construction Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is KWB Construction Limited still trading?
KWB Construction 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 KWB Construction Limited do?
KWB Construction Limited is registered under Other building completion and finishing (SIC 43390).
How old is KWB Construction Limited?
KWB Construction Limited was incorporated on 20 October 2020, 5 years ago.
What is the penalty if KWB Construction 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 KWB Construction 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.