- Companies
- Civil engineering
- Lisburn
- Larkfield Structures Ltd
Larkfield Structures Ltd
- Company number
- NI685669
- Incorporated
- 9 Feb 20224 years trading
- Registered office
- 61 Ballinderry Road, Lisburn, Co. Antrim, BT28 2NW
- Nature of business
- Construction of other civil engineering projects n.e.c.
Larkfield Structures Ltd is a 4-year-old private limited company registered in Lisburn, company number NI685669, one of 26 civil engineering contractors in Lisburn. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £25K (+79%) on the year before, to £56K.
- Current assets of £56K against £15K owed within a year: 3.8 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £56K | £56K | £15K | 1 | |
| 28 Feb 2024 | £31K | £42K | £12K | 0 | |
| 28 Feb 2023 | £14K | £23K | £9,085 | 0 |
Where Larkfield Structures Ltd is registered
The registered office is in Lisburn (BT28), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT28 2NW on a map.
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- A H Assist Cars LtdMotor traders
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What happens if Larkfield Structures 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- NI685669
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2022 (4 years ago)
- Registered office
- 61 Ballinderry Road, Lisburn, Co. Antrim, BT28 2NW
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 12 May 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 Lisburn
Other active civil engineering contractors registered in Lisburn.
- Newrock Engineering Limited2009
- On Track Technicians Ltd2016
- Pro-Level Groundworks Ltd2016
- Sandy Bay Civils Limited2023
- T McCorry Contracts Limited2015
- Wallace Contracts (NI) Limited2007
- Abco Marine Services Ltd2020
- Armstrong Surfacing Ltd2017
All civil engineering contractors in Lisburn · All trades in Lisburn · Civil engineering across the UK
Frequently asked questions
When are Larkfield Structures Ltd's accounts due?
Larkfield Structures Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Larkfield Structures Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Larkfield Structures Ltd still trading?
Larkfield Structures 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 Larkfield Structures Ltd do?
Larkfield Structures Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Larkfield Structures Ltd?
Larkfield Structures Ltd was incorporated on 9 February 2022, 4 years ago.
What is the penalty if Larkfield Structures 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 Larkfield Structures 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.