- Companies
- Plumbers and heating engineers
- Ayr
- Abacus Plumbing & Heating (Ayrshire) Limited
Abacus Plumbing & Heating (Ayrshire) Limited
- Company number
- SC297580
- Incorporated
- 22 Feb 200620 years trading
- Registered office
- 6 Miller Road, Ayr, KA7 2AY
- Nature of business
- Plumbing, heat and air-conditioning installation
Abacus Plumbing & Heating (Ayrshire) Limited is a 20-year-old private limited company registered in Ayr, company number SC297580, one of 27 plumbing and heating companies in Ayr. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 £8,134 (-29.7%) on the year before, to £19K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £30K against £9,575 owed within a year: 3.1 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £19K | £22K | £30K | £9,575 | 1 |
| 31 Mar 2024 | £27K | £36K | £79K | £53K | 1 |
| 31 Mar 2023 | £60K | £50K | £103K | £47K | 1 |
| 31 Mar 2022 | £56K | £49K | £78K | £28K | 1 |
| 31 Mar 2021 | £14K | £24K | £24K | £11K | 0 |
| 31 Mar 2020 | £14K | £24K | £24K | £11K | 1 |
| 31 Mar 2019 | £9,090 | £11K | £19K | £9,986 | |
| 31 Mar 2018 | £31K | £14K | £37K | £9,070 | |
| 31 Mar 2017 | £4,819 | £15K | £15K | £13K | 1 |
| 31 Mar 2016 | £799 | £10K | £10K | £14K |
Where Abacus Plumbing & Heating (Ayrshire) Limited is registered
The registered office is in Ayr (KA7), in the South Ayrshire local authority area, Scotland. Show KA7 2AY on a map.
Other trade companies in KA7
- J McEwan & Son Electrical LtdElectricians
- Net Zero Insulation Scot LtdInstallers
- GG Solutions (Scotland) LtdScaffolders
- DD Walsh & Son LtdBuilders
- DM Rodger & Sons LtdProperty developers
- David Thornton Heating Installation Services LtdPlumbers and heating engineers
- RDS Plumbing Heating and Bathrooms LtdBuilders
- Duncan’S Details LtdCleaning companies
Also registered at this address
12 other companies use the same registered office as Abacus Plumbing & Heating (Ayrshire) Limited.
- Agga Holdings LtdMechanics and garages
- Auto Elite Retail LtdMotor traders
- Loch Homes LimitedProperty developers
- Lockersfor.Com LimitedSpecialist contractors
- Masonry Matters LtdProperty developers
- MM Scaffolding LtdProperty developers
- Petrus Land LimitedProperty developers
- RC Coachworks LtdMechanics and garages
- Remedy Roofing LimitedRoofers
- Roxx Flooring LtdFloor and wall tilers
- Scotprop (Scotland) LtdProperty developers
- SM Cable Jointing LimitedElectricians
What happens if Abacus Plumbing & Heating (Ayrshire) 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- SC297580
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 February 2006 (20 years ago)
- Registered office
- 6 Miller Road, Ayr, KA7 2AY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 February 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.
- Adored Joinery Ltd2021
- Ayr Source One Ltd2025
- 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
All plumbing and heating companies in Ayr · All trades in Ayr · Plumbers and heating engineers across the UK
Frequently asked questions
When are Abacus Plumbing & Heating (Ayrshire) Limited's accounts due?
Abacus Plumbing & Heating (Ayrshire) Limited's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is Abacus Plumbing & Heating (Ayrshire) Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Abacus Plumbing & Heating (Ayrshire) Limited still trading?
Abacus Plumbing & Heating (Ayrshire) 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 Abacus Plumbing & Heating (Ayrshire) Limited do?
Abacus Plumbing & Heating (Ayrshire) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Abacus Plumbing & Heating (Ayrshire) Limited?
Abacus Plumbing & Heating (Ayrshire) Limited was incorporated on 22 February 2006, 20 years ago.
What is the penalty if Abacus Plumbing & Heating (Ayrshire) 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 Abacus Plumbing & Heating (Ayrshire) 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.