- Companies
- Civil engineering
- Carlisle
- Armstrong Plant Limited
Armstrong Plant Limited
- Company number
- 14762486
- Incorporated
- 27 Mar 20233 years trading
- Registered office
- Fifteen Montgomery Way, Rosehill Industrial Estate, Carlisle, CA1 2RW
- Nature of business
- Construction of utility projects for electricity and telecommunications
Armstrong Plant Limited is a 3-year-old private limited company registered in Carlisle, company number 14762486, one of 48 civil engineering contractors in Carlisle. 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 £144K (+332.3%) on the year before, to £187K.
- Current assets of £140K against £151K owed within a year: 0.9 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 | £187K | £140K | £151K | 1 | |
| 31 Mar 2024 | £43K | £21K | £35K | 1 |
Where Armstrong Plant Limited is registered
The registered office is in Carlisle (CA1), in the Cumberland local authority area, North West. Show CA1 2RW on a map.
Other trade companies in CA1
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- GB Groundworks LtdCivil engineering
- Oak End Construction & Management LtdProperty developers
- GS10 Trading LimitedMotor traders
- Overbuilt UK LtdMotor traders
- Fire Door 360 LimitedJoiners and carpenters
- Carlisle Remapping LtdMechanics and garages
- Adam G Smith LimitedPlumbers and heating engineers
Also registered at this address
15 other companies use the same registered office as Armstrong Plant Limited.
- Beck & Tarn LtdProperty developers
- Cloudy Day Developments LtdProperty developers
- Keswick Property One LimitedProperty developers
- Laidlaw Building and Conservation LimitedProperty developers
- Laidlaw Scaffolding LimitedScaffolders
- Lrmedia LimitedMotor traders
- Signature Coatings Northern LimitedPainters and decorators
- Smartfit Windscreens LtdMechanics and garages
- Sustainable Groundworks Solutions LtdCivil engineering
- Svella Energy LimitedSpecialist contractors
- Tilemasters (Cumbria) LimitedFloor and wall tilers
- W.A. Developments International LimitedProperty developers
- Window Doctor 2023 LimitedInstallers
- WQ Contracting LimitedProperty developers
- WQ Electrical Services LimitedProperty developers
What happens if Armstrong Plant 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 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
- 14762486
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 March 2023 (3 years ago)
- Registered office
- Fifteen Montgomery Way, Rosehill Industrial Estate, Carlisle, CA1 2RW
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 26 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 Carlisle
Other active civil engineering contractors registered in Carlisle.
- Avara Civils Ltd2025
- Carrigan-Haines Limited2025
- Chris Nichol Construction Limited2000
- Cumbria Utility Solutions Ltd2021
- Dag Railway Ltd2025
- David Blunt Groundworks Limited2012
- Dtce Ltd2019
- DWT Rail Limited2013
All civil engineering contractors in Carlisle · All trades in Carlisle · Civil engineering across the UK
Frequently asked questions
When are Armstrong Plant Limited's accounts due?
Armstrong Plant Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Armstrong Plant Limited'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 Armstrong Plant Limited still trading?
Armstrong Plant Limited 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 Armstrong Plant Limited do?
Armstrong Plant Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Armstrong Plant Limited?
Armstrong Plant Limited was incorporated on 27 March 2023, 3 years ago.
What is the penalty if Armstrong Plant 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 Armstrong Plant Limited 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.