- Companies
- Plumbers and heating engineers
- Ayr
- Ayr Source One Ltd
Ayr Source One Ltd
- Company number
- SC853213
- Incorporated
- 23 Jun 20251 year trading
- Registered office
- 42 Carnshalloch Avenue, Patna, Ayr, KA6 7NW
- Nature of business
- Plumbing, heat and air-conditioning installation
Ayr Source One Ltd is a 1-year-old private limited company registered in Ayr, company number SC853213, one of 27 plumbing and heating companies in Ayr. Its next accounts are due at Companies House on 23 March 2027, and its first CT600 is due at HMRC on 22 June 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Ayr Source One Ltd is registered
The registered office is in Ayr (KA6), in the East Ayrshire local authority area, Scotland. Show KA6 7NW on a map.
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What happens if Ayr Source One 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 23 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Mar 2027 to 23 Apr 2027 | £150 |
| 1 to 3 months late | 24 Apr 2027 to 23 Jun 2027 | £375 |
| 3 to 6 months late | 24 Jun 2027 to 23 Sep 2027 | £750 |
| More than 6 months late | From 24 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- SC853213
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 June 2025 (1 year ago)
- Registered office
- 42 Carnshalloch Avenue, Patna, Ayr, KA6 7NW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 22 June 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Ayr
Other active plumbing and heating companies registered in Ayr.
- Darryl White Home Improvements Ltd2024
- Darwin Johnstone Plumbing and Heating Ltd2010
- David Thornton Heating Installation Services Ltd2026
- Davidson Gas Services Ltd2011
- Derek Williamson Bathrooms Ltd.2019
- DGS Plumbing Services Limited2004
- DWD Plumbing & Handyman Services Ltd2026
- Eco-Tech Gas Services Limited2018
All plumbing and heating companies in Ayr · All trades in Ayr · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ayr Source One Ltd's accounts due?
Ayr Source One Ltd's next accounts are due at Companies House by 23 March 2027 (in 162 days), covering the period to 30 June 2026.
When is Ayr Source One Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 22 June 2026, due by 22 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ayr Source One Ltd still trading?
Ayr Source One 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 Ayr Source One Ltd do?
Ayr Source One Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ayr Source One Ltd?
Ayr Source One Ltd was incorporated on 23 June 2025, 1 year ago.
What is the penalty if Ayr Source One 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 Ayr Source One 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.