- Companies
- Civil engineering
- Newport
- Trafficflow Ltd
Trafficflow Ltd
- Company number
- 14639245
- Incorporated
- 4 Feb 20233 years trading
- Registered office
- 166 Brynglas Avenue, Newport, NP20 5LP
- Nature of business
- Construction of roads and motorways
Trafficflow Ltd is a 3-year-old private limited company registered in Newport, company number 14639245, one of 80 civil engineering contractors in Newport. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £1,240 (+14.4%) on the year before, to £9,823.
- Current assets of £9,952 against £7,782 owed within a year: 1.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £9,823 | £9,952 | £7,782 | 1 | |
| 31 Mar 2024 | £8,583 | £12K | £8,018 | 1 |
Where Trafficflow Ltd is registered
The registered office is in Newport (NP20), in the Newport local authority area, Wales. Show NP20 5LP on a map.
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What happens if Trafficflow Ltd 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14639245
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 February 2023 (3 years ago)
- Registered office
- 166 Brynglas Avenue, Newport, NP20 5LP
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 3 February 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Newport
Other active civil engineering contractors registered in Newport.
- Treowen Wind Consultancy Ltd2025
- Ullyses Ltd2002
- Veritas Site Solutions Ltd2025
- Vinci Surveys Limited2014
- Waller Associates Limited2000
- We Hire Ltd2026
- A Spooner Builders Limited2009
- Adam Ranford Electrical Ltd2025
All civil engineering contractors in Newport · All trades in Newport · Civil engineering across the UK
Frequently asked questions
When are Trafficflow Ltd's accounts due?
Trafficflow Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Trafficflow Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Trafficflow Ltd still trading?
Trafficflow Ltd 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 Trafficflow Ltd do?
Trafficflow Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is Trafficflow Ltd?
Trafficflow Ltd was incorporated on 4 February 2023, 3 years ago.
What is the penalty if Trafficflow Ltd 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 Trafficflow Ltd 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.