- Companies
- Specialist contractors
- Londonderry
- A1 Construction Plant & Machinery Training Centre Limited
A1 Construction Plant & Machinery Training Centre Limited
- Company number
- NI633423
- Incorporated
- 4 Sep 201511 years trading
- Registered office
- 8 Queen Street, Londonderry, BT48 7EF
- Nature of business
- Other specialised construction activities n.e.c.
A1 Construction Plant & Machinery Training Centre Limited is a 11-year-old private limited company registered in Londonderry, company number NI633423, one of 48 specialist construction companies in Londonderry. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for A1 Construction Plant & Machinery Training Centre LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 unchanged on the year before, at £100.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £100 | £100 | 0 | ||
| 30 Sep 2024 | £100 | £100 | 0 | ||
| 30 Sep 2023 | £100 | £100 | 0 | ||
| 30 Sep 2022 | £100 | £100 | 0 | ||
| 30 Sep 2021 | £100 | £100 | 0 | ||
| 30 Sep 2020 | £100 | £100 | 0 | ||
| 30 Sep 2019 | £100 | £100 | 0 | ||
| 30 Sep 2018 | £100 | £100 | |||
| 30 Sep 2017 | £100 | £100 | |||
| 30 Sep 2016 | £100 | £100 |
Where A1 Construction Plant & Machinery Training Centre Limited is registered
The registered office is in Londonderry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 7EF on a map.
Other trade companies in BT48
- Neat & Nurtured Vics Cleaning LimitedCleaning companies
- Ked Brick & Blockwork LtdBuilders
- Zapcars LtdMotor traders
- TMC Electrics LtdElectricians
- Northern Diesels LtdMotor traders
- Coyle Reclamation & Salvage LtdSpecialist contractors
- George MCG Mechanical LtdElectricians
- KK Electrical Solutions Ireland LimitedElectricians
Also registered at this address
10 other companies use the same registered office as A1 Construction Plant & Machinery Training Centre Limited.
- Ashmore Construction Services LimitedBuilders
- B MC G Construction LimitedBuilders
- Damien McCauley Trading LimitedMotor traders
- J & H Contracts LimitedGroundworks and demolition
- J C M S Investments LimitedProperty developers
- Maiden City Investments LimitedProperty developers
- MC Cauley Motors LimitedMotor traders
- Moress Enterprises LimitedBuilders
- Patrick C Construction LimitedBuilders
- Viewdata LimitedProperty developers
What happens if A1 Construction Plant & Machinery Training Centre 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- NI633423
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2015 (11 years ago)
- Registered office
- 8 Queen Street, Londonderry, BT48 7EF
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 3 September 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Londonderry
Other active specialist construction companies registered in Londonderry.
- Alltradesni Ltd2026
- Amf Consultancy Ltd2026
- BDN Energy Ltd2023
- Berko Pod Systems Ltd2020
- CMG Contracts Limited2007
- Craigbane Drylining Limited2013
- Dme Building & Maintenance Limited2018
- Dod Services Limited2025
All specialist construction companies in Londonderry · All trades in Londonderry · Specialist contractors across the UK
Frequently asked questions
When are A1 Construction Plant & Machinery Training Centre Limited's accounts due?
A1 Construction Plant & Machinery Training Centre Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is A1 Construction Plant & Machinery Training Centre Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is A1 Construction Plant & Machinery Training Centre Limited still trading?
A1 Construction Plant & Machinery Training Centre 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 A1 Construction Plant & Machinery Training Centre Limited do?
A1 Construction Plant & Machinery Training Centre Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is A1 Construction Plant & Machinery Training Centre Limited?
A1 Construction Plant & Machinery Training Centre Limited was incorporated on 4 September 2015, 11 years ago.
What is the penalty if A1 Construction Plant & Machinery Training Centre 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 A1 Construction Plant & Machinery Training Centre 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.