- Company number
- 10342364
- Incorporated
- 23 Aug 201610 years trading
- Registered office
- Suite 2D Building 1 Eastern Business Park, ST Mellons, Cardiff, CF3 5EA
- Nature of business
- Construction of domestic buildings
Reg Construction Limited is a 10-year-old private limited company registered in Cardiff, company number 10342364, one of 361 building contractors in Cardiff. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £9,172 (-93.9%) on the year before, to £597.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £100K against £119K owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £597 | £27K | £100K | £119K | 0 |
| 31 Aug 2024 | £9,769 | £69K | £94K | £112K | 2 |
| 31 Aug 2023 | £27K | £70K | £102K | £88K | 1 |
| 31 Aug 2022 | £6,562 | £12K | £38K | £46K | 1 |
| 31 Aug 2021 | £1,931 | £20K | £41K | £39K | 1 |
| 31 Aug 2020 | £1,011 | £17K | £22K | £23K | 1 |
| 31 Aug 2019 | £568 | £20K | £20K | £19K | 1 |
| 31 Aug 2018 | £445 | £3,948 | £6,730 | £6,285 | 1 |
| 31 Aug 2017 | £131 | £16K | £23K | £23K |
Who runs and owns Reg Construction Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** C*** | Director | Aug 2016 |
Person with significant control
Where Reg Construction Limited is registered
The registered office is in Cardiff (CF3), in the Cardiff local authority area, Wales. Show CF3 5EA on a map.
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Also registered at this address
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What happens if Reg 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 10342364
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 August 2016 (10 years ago)
- Registered office
- Suite 2D Building 1 Eastern Business Park, ST Mellons, Cardiff, CF3 5EA
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 5 September 2025
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.
- Reva2108 Limited2019
- Revive Maintenance Services Ltd2026
- Rhinas Brickwork Ltd2019
- Rhys Harris Construction Ltd2025
- Rise Construction Cardiff Limited2022
- Romaya Projects Ltd2024
- RP Brickwork Ltd2016
- RR Newport Investment Ltd2026
All building contractors in Cardiff · All trades in Cardiff · Builders across the UK
Frequently asked questions
When are Reg Construction Limited's accounts due?
Reg Construction Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Reg Construction Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Reg Construction Limited still trading?
Reg Construction 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 Reg Construction Limited do?
Reg Construction Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Reg Construction Limited?
Reg Construction Limited was incorporated on 23 August 2016, 10 years ago.
Who runs Reg Construction Limited?
Reg Construction Limited has 1 active director, the longest-serving appointed in Aug 2016. Their names and service addresses are on the Companies House register.
Who owns Reg Construction Limited?
One person or company has significant control of Reg Construction Limited: an individual (owns 75% or more of the shares).
What is the penalty if Reg 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 Reg Construction 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.