- Companies
- Civil engineering
- Newcastle upon Tyne
- J Mason Construction Ltd
J Mason Construction Ltd
- Company number
- 15246911
- Incorporated
- 30 Oct 20232 years trading
- Registered office
- 23 Thornhill Gardens, Burnopfield, Newcastle upon Tyne, NE16 6JP
- Nature of business
- Construction of roads and motorways
J Mason Construction Ltd is a 2-year-old private limited company registered in Newcastle upon Tyne, company number 15246911, one of 72 civil engineering contractors in Newcastle upon Tyne. 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 up £16K (+755.9%) on the year before, to £18K.
- 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 Oct 2025 | £18K | £7,882 | 1 | ||
| 31 Oct 2024 | £2,088 | £1,988 | 1 |
Where J Mason Construction Ltd is registered
The registered office is in Newcastle upon Tyne (NE16), in the County Durham local authority area, North East. Show NE16 6JP on a map.
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What happens if J Mason Construction 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 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
- 15246911
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 October 2023 (2 years ago)
- Registered office
- 23 Thornhill Gardens, Burnopfield, Newcastle upon Tyne, NE16 6JP
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 29 October 2025
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 Newcastle upon Tyne
Other active civil engineering contractors registered in Newcastle upon Tyne.
- J W Utilities Limited2010
- J.J.D.J. Holding Ltd2020
- JC Hse Consultancies Ltd2026
- JMC C & P Limited2026
- JMCG Construction Ltd2015
- Junction Traffic Management Ltd2019
- Keith Telecoms Ltd2024
- KJR Electrical Services Ltd2024
All civil engineering contractors in Newcastle upon Tyne · All trades in Newcastle upon Tyne · Civil engineering across the UK
Frequently asked questions
When are J Mason Construction Ltd's accounts due?
J Mason Construction Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is J Mason Construction Ltd'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 J Mason Construction Ltd still trading?
J Mason Construction 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 J Mason Construction Ltd do?
J Mason Construction Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is J Mason Construction Ltd?
J Mason Construction Ltd was incorporated on 30 October 2023, 2 years ago.
What is the penalty if J Mason Construction 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 J Mason Construction 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.