- Companies
- Plumbers and heating engineers
- Edinburgh
- A1 Group Edinburgh Ltd
A1 Group Edinburgh Ltd
- Company number
- SC709005
- Incorporated
- 8 Sep 20215 years trading
- Registered office
- 116 Fernieside Crescent, Edinburgh, EH17 7DH
- Nature of business
- Plumbing, heat and air-conditioning installation
A1 Group Edinburgh Ltd is a 5-year-old private limited company registered in Edinburgh, company number SC709005, one of 176 plumbing and heating companies in Edinburgh. Its next accounts are due at Companies House on 7 November 2026, and its first CT600 is due at HMRC on 7 November 2026.
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 £40K (+327.6%) on the year before, to £52K.
- Current assets of £87K against £30K owed within a year: 2.9 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 7 Nov 2024 | £52K | £87K | £30K | 2 | |
| 30 Sep 2023 | £12K | £29K | £17K | 1 | |
| 30 Sep 2022 | £12K | £22K | £10K | 0 |
Where A1 Group Edinburgh Ltd is registered
The registered office is in Edinburgh (EH17), in the City of Edinburgh local authority area, Scotland. Show EH17 7DH on a map.
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What happens if A1 Group Edinburgh 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 7 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Nov 2026 to 7 Dec 2026 | £150 |
| 1 to 3 months late | 8 Dec 2026 to 7 Feb 2027 | £375 |
| 3 to 6 months late | 8 Feb 2027 to 7 May 2027 | £750 |
| More than 6 months late | From 8 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 8 Feb 2027 | £200 |
| 3 months late | 7 May 2027 | another £200 |
| 6 months late | 7 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 7 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
- SC709005
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2021 (5 years ago)
- Registered office
- 116 Fernieside Crescent, Edinburgh, EH17 7DH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 7 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 7 November 2024
- Last confirmation statement
- 7 September 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 Edinburgh
Other active plumbing and heating companies registered in Edinburgh.
- Abundant Heat Limited2025
- Advance Plumbing and Heating Ltd2026
- Aeb Heating Ltd2026
- Ail Heating Ltd2024
- Aj Heating Plumbing and Home Services Ltd2022
- Alan Kinghorn & Son Plumbing & Heating Ltd2016
- Allns Plumbing & Heating Ltd2024
- Amg Mechanical Limited2016
All plumbing and heating companies in Edinburgh · All trades in Edinburgh · Plumbers and heating engineers across the UK
Frequently asked questions
When are A1 Group Edinburgh Ltd's accounts due?
A1 Group Edinburgh Ltd's next accounts are due at Companies House by 7 November 2026 (in 25 days), covering the period to 7 February 2026.
When is A1 Group Edinburgh 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 7 November 2025, due by 7 November 2026, and one for the period to 7 February 2026, due by 7 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is A1 Group Edinburgh Ltd still trading?
A1 Group Edinburgh 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 A1 Group Edinburgh Ltd do?
A1 Group Edinburgh Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A1 Group Edinburgh Ltd?
A1 Group Edinburgh Ltd was incorporated on 8 September 2021, 5 years ago.
What is the penalty if A1 Group Edinburgh 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 A1 Group Edinburgh 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.