- Companies
- Plumbers and heating engineers
- Inverkeithing
- Asg Plumbing and Heating Limited
Asg Plumbing and Heating Limited
- Company number
- SC594652
- Incorporated
- 18 Apr 20188 years trading
- Registered office
- 29-31 Hope Street, Inverkeithing, KY11 1LN
- Nature of business
- Plumbing, heat and air-conditioning installation
Asg Plumbing and Heating Limited is a 8-year-old private limited company registered in Inverkeithing, company number SC594652, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 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 £19K (+190%) on the year before, to £9,163.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £34K against £41K owed within a year: 0.8 times cover.
- 5 employees on average, down from 7 the year before.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £9,163 | £23K | £34K | £41K | 5 |
| 31 May 2025 | -£10K | £17K | £29K | £60K | 7 |
| 30 Apr 2024 | -£472 | £15K | £28K | £52K | 7 |
| 30 Apr 2023 | £22K | £44K | £71K | 9 | |
| 30 Apr 2022 | £16K | £63K | £63K | 7 | |
| 30 Apr 2021 | £7,250 | £46K | £38K | 7 | |
| 30 Apr 2020 | £863 | £21K | £49K | 7 | |
| 30 Apr 2019 | £3,380 | £10K | £54K |
Where Asg Plumbing and Heating Limited is registered
The registered office is in Inverkeithing (KY11), in the Fife local authority area, Scotland. Show KY11 1LN on a map.
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What happens if Asg Plumbing and Heating 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- SC594652
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 April 2018 (8 years ago)
- Registered office
- 29-31 Hope Street, Inverkeithing, KY11 1LN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 17 April 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 Inverkeithing
Other active plumbing and heating companies registered in Inverkeithing.
- Octavia Plumbing and Bathrooms Ltd2021
- Saltire Home Improvements Ltd2010
- Tse Heating & Gas Services Limited2024
All plumbing and heating companies in Inverkeithing · All trades in Inverkeithing · Plumbers and heating engineers across the UK
Frequently asked questions
When are Asg Plumbing and Heating Limited's accounts due?
Asg Plumbing and Heating Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Asg Plumbing and Heating Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Asg Plumbing and Heating Limited still trading?
Asg Plumbing and Heating 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 Asg Plumbing and Heating Limited do?
Asg Plumbing and Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Asg Plumbing and Heating Limited?
Asg Plumbing and Heating Limited was incorporated on 18 April 2018, 8 years ago.
What is the penalty if Asg Plumbing and Heating 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 Asg Plumbing and Heating 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.