- Company number
- NI643016
- Incorporated
- 6 Jan 20179 years trading
- Registered office
- 64 Taylorstown Road, Toomebridge, Antrim, BT41 3RW
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Asn Construction Ltd is a 9-year-old private limited company registered in Antrim, company number NI643016, one of 32 building contractors in Antrim. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £21K (-40.5%) on the year before, to £30K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £10K against £42K owed within a year: 0.3 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 Jan 2025 | £30K | £10K | £42K | 2 | |
| 31 Jan 2024 | £51K | £11K | £47K | 2 | |
| 31 Jan 2023 | £52K | £0 | £51K | 2 | |
| 31 Jan 2022 | £34K | £1,630 | £31K | 2 | |
| 31 Jan 2021 | £46K | £7,734 | £7,370 | 2 | |
| 31 Jan 2020 | £70K | £13K | £22K | 2 | |
| 31 Jan 2019 | £92K | £27K | £2,698 | ||
| 31 Jan 2018 | £27K | £13K | £12K |
Where Asn Construction Ltd is registered
The registered office is in Antrim (BT41), in the Mid and East Antrim local authority area, Northern Ireland. Show BT41 3RW on a map.
Other trade companies in BT41
- Artlone Utilities LtdMachinery repair and installation
- LGC Contracts LtdBuilders
- GM Homes & Property LimitedProperty developers
- McCombe Construction LtdBuilders
- C.S.Spray.Worx LimitedPainters and decorators
- Cuttin An'trimmin LtdLandscapers and gardeners
- M3 Fitout LimitedInstallers
- PCR Property Developments LimitedBuilders
What happens if Asn 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- NI643016
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 2017 (9 years ago)
- Registered office
- 64 Taylorstown Road, Toomebridge, Antrim, BT41 3RW
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 5 January 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Antrim
Other active building contractors registered in Antrim.
- Belone Technical Limited2004
- BLDR Ltd2015
- Briermount Properties Ltd2018
- Buildrite Construction & Maintenance Ltd2019
- Church Road Enterprises Limited2017
- CM Plastering Contracts Ltd2016
- CPM (2022) Ltd2022
- Crevenagh Properties Limited2016
All building contractors in Antrim · All trades in Antrim · Builders across the UK
Frequently asked questions
When are Asn Construction Ltd's accounts due?
Asn Construction Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Asn Construction Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Asn Construction Ltd still trading?
Asn 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 Asn Construction Ltd do?
Asn Construction Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Asn Construction Ltd?
Asn Construction Ltd was incorporated on 6 January 2017, 9 years ago.
What is the penalty if Asn 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 Asn 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.