- Companies
- Civil engineering
- Tredegar
- Maxburn Limited
Maxburn Limited
- Company number
- 13576802
- Incorporated
- 20 Aug 20215 years trading
- Registered office
- 23 Alexandra Place, Sirhowy, Tredegar, NP22 4QA
- Nature of business
- Construction of railways and underground railways
Maxburn Limited is a 5-year-old private limited company registered in Tredegar, company number 13576802, one of 9 civil engineering contractors in Tredegar. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £4,673 (+94.1%) on the year before, to £9,638.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £6,021 against £3,617 owed within a year: 1.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £9,638 | £6,021 | £3,617 | 1 | |
| 30 Nov 2024 | £4,965 | £29K | £24K | 1 | |
| 30 Nov 2023 | £3,700 | £17K | £12K | 1 | |
| 31 Aug 2022 | £1,013 | £1,850 | £237 | 0 |
Where Maxburn Limited is registered
The registered office is in Tredegar (NP22), in the Blaenau Gwent local authority area, Wales. Show NP22 4QA on a map.
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What happens if Maxburn 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 13576802
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2021 (5 years ago)
- Registered office
- 23 Alexandra Place, Sirhowy, Tredegar, NP22 4QA
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 2 September 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 Tredegar
Other active civil engineering contractors registered in Tredegar.
- R S Pipelines Limited2012
- T Condy Limited2015
- Valleys Pipelines Limited2010
- Bevans Builds & Rentals Ltd2003
- Coughlin Engineering Ltd2025
- Elite Incorporations Ltd2019
- J W Bradley Contracting Ltd2026
- JL Civils & Groundworks Ltd2022
All civil engineering contractors in Tredegar · All trades in Tredegar · Civil engineering across the UK
Frequently asked questions
When are Maxburn Limited's accounts due?
Maxburn Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Maxburn Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Maxburn Limited still trading?
Maxburn Limited is listed as active on the Companies House register (checked 13 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 Maxburn Limited do?
Maxburn Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is Maxburn Limited?
Maxburn Limited was incorporated on 20 August 2021, 5 years ago.
What is the penalty if Maxburn 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 Maxburn Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.