- Companies
- Civil engineering
- Portsmouth
- Archon Construction Ltd
Archon Construction Ltd
- Company number
- 13690005
- Incorporated
- 19 Oct 20214 years trading
- Registered office
- 24 Landport Terrace, Portsmouth, Hampshire, PO1 2RG
- Nature of business
- Construction of roads and motorways; Landscape service activities
Archon Construction Ltd is a 4-year-old private limited company registered in Portsmouth, company number 13690005, one of 74 civil engineering contractors in Portsmouth. 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 down £3,256 (-19.2%) on the year before, to -£20K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £2,658 against £23K owed within a year: 0.1 times cover.
- 2 employees 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | -£20K | £2,658 | £23K | 2 | |
| 31 Oct 2024 | -£17K | £1,097 | £18K | 2 | |
| 31 Oct 2023 | -£733 | £2,360 | £3,816 | 2 | |
| 31 Oct 2022 | £4,909 | £11K | £6,864 | 3 |
Where Archon Construction Ltd is registered
The registered office is in Portsmouth (PO1), in the Portsmouth local authority area, South East. Show PO1 2RG on a map.
Other trade companies in PO1
- Design 1805 Southern LtdJoiners and carpenters
- Portsmouth Roofing LtdRoofers
- Peterborough Mews (London) LimitedProperty developers
- Doxa Facility Group LtdCleaning companies
- Crestpoint Cleaning & Facilities LtdCleaning companies
- Dark Rose Cleaning Co LtdCleaning companies
- PDS Garage Services LtdMechanics and garages
- HDF Roofing LtdRoofers
Shared registered office
31 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Archon 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
- 13690005
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 October 2021 (4 years ago)
- Registered office
- 24 Landport Terrace, Portsmouth, Hampshire, PO1 2RG
- Nature of business
- Construction of roads and motorways (SIC 42110)
Landscape service activities (SIC 81300) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 18 October 2025
- Previous names
- New Era Construction and Landscaping Ltd (until 26 Oct 2021)
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 Portsmouth
Other active civil engineering contractors registered in Portsmouth.
- Ash S Consultancy Limited2022
- Bar Construction (South) Ltd2009
- Bdse Limited2023
- Beames Construction Ltd2014
- Black Lotus Plumbing and Electrical Ltd2024
- Blade Ninja Limited2021
- Blue Technical Ltd2019
- BM UK Services Limited2007
All civil engineering contractors in Portsmouth · All trades in Portsmouth · Civil engineering across the UK
Frequently asked questions
When are Archon Construction Ltd's accounts due?
Archon Construction Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Archon 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 Archon Construction Ltd still trading?
Archon 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 Archon Construction Ltd do?
Archon Construction Ltd is registered under Construction of roads and motorways (SIC 42110); Landscape service activities (SIC 81300).
How old is Archon Construction Ltd?
Archon Construction Ltd was incorporated on 19 October 2021, 4 years ago.
What is the penalty if Archon 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 Archon 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.