- Company number
- 02424261
- Incorporated
- 19 Sep 198937 years trading
- Registered office
- C/O Resource Limited the Maltings, East Tyndall Street, Cardiff, CF24 5EA
- Nature of business
- Construction of commercial buildings
Wentloog Building Services Limited is a 37-year-old private limited company registered in Cardiff, company number 02424261, one of 361 building contractors in Cardiff. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 up £7,222 (+22.2%) on the year before, to £40K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £954K against £1.1M owed within a year: 0.9 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 5 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £40K | £954K | £1.1M | 5 | |
| 31 Dec 2024 | £33K | £1,142 | £1.3M | £1.5M | 5 |
| 31 Dec 2023 | £45K | £843 | £1.1M | £1.2M | 4 |
| 31 Dec 2018 | £20K | £211 | £1.2M | £1.2M | 7 |
| 31 Dec 2017 | £21K | £143 | £36K | £176K | 8 |
Where Wentloog Building Services Limited is registered
The registered office is in Cardiff (CF24), in the Cardiff local authority area, Wales. Show CF24 5EA on a map.
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- RK Asset & Trading Co LtdMotor traders
- ZCC Garage LtdMechanics and garages
- Szot LtdPlasterers
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What happens if Wentloog Building Services 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 02424261
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 September 1989 (37 years ago)
- Registered office
- C/O Resource Limited the Maltings, East Tyndall Street, Cardiff, CF24 5EA
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 6 October 2026
- Charges (mortgages)
- 1 outstanding of 3 registered
- Previous names
- Euro Clad (Building Services) Limited (until 13 Jun 2017)
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Cardiff
Other active building contractors registered in Cardiff.
- Westbank Construction Ltd2019
- WG London Ltd2011
- Whites Brickwork Limited2018
- Williams & Price Building Services Ltd2022
- Wiredworks Construction Ltd2025
- Yr Hadau Limited2019
- ZHB Property (Wales) Limited2013
- 121 Construction Ltd2025
All building contractors in Cardiff · All trades in Cardiff · Builders across the UK
Frequently asked questions
When are Wentloog Building Services Limited's accounts due?
Wentloog Building Services Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Wentloog Building Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Wentloog Building Services Limited still trading?
Wentloog Building Services 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 Wentloog Building Services Limited do?
Wentloog Building Services Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Wentloog Building Services Limited?
Wentloog Building Services Limited was incorporated on 19 September 1989, 37 years ago.
What is the penalty if Wentloog Building Services 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 Wentloog Building Services 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.