- Companies
- Civil engineering
- Troon
- Ayrshire Building Construction Ltd.
Ayrshire Building Construction Ltd.
- Company number
- SC270100
- Incorporated
- 1 Jul 200422 years trading
- Registered office
- 54 South Beach, Troon, Ayrshire, KA10 6EF
- Nature of business
- Construction of other civil engineering projects n.e.c.
Ayrshire Building Construction Ltd. is a 22-year-old private limited company registered in Troon, company number SC270100, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £77K (+25%) on the year before, to £386K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £438K against £52K owed within a year: 8.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £386K | £423K | £438K | £52K | 1 |
| 31 Jul 2025 | £309K | £377K | £412K | £120K | 1 |
| 31 Jul 2024 | £371K | £377K | £501K | £130K | 1 |
| 31 Jul 2023 | £456K | £464K | £611K | £142K | 1 |
| 31 Jul 2022 | £470K | £580K | £619K | £126K | 2 |
| 31 Jul 2021 | £326K | £190K | £487K | £144K | 2 |
| 31 Jul 2020 | £119K | £31K | £365K | £228K | 2 |
| 31 Jul 2019 | £108K | £41K | £164K | £70K | 2 |
| 31 Jul 2018 | £80K | £144K | £78K | 2 | |
| 31 Jul 2017 | £38K | £74K | £110K | £80K | 4 |
Where Ayrshire Building Construction Ltd. is registered
The registered office is in Troon (KA10), in the South Ayrshire local authority area, Scotland. Show KA10 6EF on a map.
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What happens if Ayrshire Building 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- SC270100
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 July 2004 (22 years ago)
- Registered office
- 54 South Beach, Troon, Ayrshire, KA10 6EF
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 1 July 2025
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 Troon
Other active civil engineering contractors registered in Troon.
All civil engineering contractors in Troon · All trades in Troon · Civil engineering across the UK
Frequently asked questions
When are Ayrshire Building Construction Ltd.'s accounts due?
Ayrshire Building Construction Ltd.'s next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Ayrshire Building Construction Ltd.'s CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Ayrshire Building Construction Ltd. still trading?
Ayrshire Building Construction Ltd. is listed as active on the Companies House register (checked 13 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 Ayrshire Building Construction Ltd. do?
Ayrshire Building Construction Ltd. is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Ayrshire Building Construction Ltd.?
Ayrshire Building Construction Ltd. was incorporated on 1 July 2004, 22 years ago.
What is the penalty if Ayrshire Building 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 Ayrshire Building Construction Ltd. on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.