- Companies
- Civil engineering
- Newport
- Glenbarrow Construction Ltd
Glenbarrow Construction Ltd
- Company number
- 11241686
- Incorporated
- 8 Mar 20188 years trading
- Registered office
- Venta House 9A Port Road, Maesglas Retail Park, Newport, NP20 2NS
- Nature of business
- Construction of utility projects for electricity and telecommunications
Glenbarrow Construction Ltd is a 8-year-old private limited company registered in Newport, company number 11241686, 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 £7,426 (+14.1%) on the year before, to £60K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £40K against £15K owed within a year: 2.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £60K | £20K | £40K | £15K | 2 |
| 31 Mar 2024 | £53K | £27K | £68K | £30K | 2 |
| 31 Mar 2023 | £62K | £90K | £110K | £29K | 2 |
| 31 Mar 2022 | £110K | £133K | £165K | £28K | 2 |
| 31 Mar 2021 | £80K | £55K | £142K | £12K | 0 |
| 31 Mar 2020 | £115K | £1,019 | £173K | £58K | 2 |
| 31 Mar 2019 | £135K | £9,164 | £191K | £56K | 0 |
| 31 Mar 2018 | £0 | £0 | £0 | £0 | 0 |
Where Glenbarrow Construction Ltd is registered
The registered office is in Newport (NP20), in the Newport local authority area, Wales. Show NP20 2NS on a map.
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Also registered at this address
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What happens if Glenbarrow 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 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
- 11241686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 March 2018 (8 years ago)
- Registered office
- Venta House 9A Port Road, Maesglas Retail Park, Newport, NP20 2NS
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 7 March 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.
- Groundhogs Ltd2021
- H G Edwards Construction Limited2008
- Handyjimbo Ltd2023
- Hanslip Asphalting Limited1987
- Harrison’S Engineering Ltd2025
- J&B Contracting Services Ltd2022
- James Professional Services Limited2021
- JB Site Engineering and Management Ltd2018
All civil engineering contractors in Newport · All trades in Newport · Civil engineering across the UK
Frequently asked questions
When are Glenbarrow Construction Ltd's accounts due?
Glenbarrow Construction 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 Glenbarrow Construction 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 Glenbarrow Construction Ltd still trading?
Glenbarrow 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 Glenbarrow Construction Ltd do?
Glenbarrow Construction Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Glenbarrow Construction Ltd?
Glenbarrow Construction Ltd was incorporated on 8 March 2018, 8 years ago.
What is the penalty if Glenbarrow 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 Glenbarrow 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.