- Companies
- Plumbers and heating engineers
- Edinburgh
- Smart Heating Edinburgh Ltd
Smart Heating Edinburgh Ltd
- Company number
- SC546772
- Incorporated
- 3 Oct 201610 years trading
- Registered office
- 3 Duddingston Square East, Edinburgh, EH15 1RU
- Nature of business
- Plumbing, heat and air-conditioning installation
Smart Heating Edinburgh Ltd is a 10-year-old private limited company registered in Edinburgh, company number SC546772, one of 176 plumbing and heating companies in Edinburgh. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 up £294 (+93%) on the year before, to £610.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £45K against £36K owed within a year: 1.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £610 | £39K | £45K | £36K | 2 |
| 30 Sep 2024 | £316 | £48K | £57K | £39K | 2 |
| 30 Sep 2023 | £431 | £55K | £61K | £40K | 2 |
| 30 Sep 2022 | £1,159 | £69K | £86K | £46K | 2 |
| 30 Sep 2021 | £10K | £84K | £92K | £38K | 2 |
| 30 Sep 2020 | £595 | £72K | £74K | £28K | 2 |
| 30 Sep 2019 | £317 | £19K | £24K | £30K | 2 |
| 30 Sep 2018 | £529 | £14K | £22K | £33K | 2 |
| 30 Sep 2017 | £16K | £24K | £37K | £36K | 2 |
Where Smart Heating Edinburgh Ltd is registered
The registered office is in Edinburgh (EH15), in the City of Edinburgh local authority area, Scotland. Show EH15 1RU on a map.
Other trade companies in EH15
- DRZ Systems LtdElectricians
- Olivan LimitedProperty developers
- Leo Hector LtdMotor traders
- Car Wash Valet LtdMechanics and garages
- Milton Developers LtdProperty developers
- Garage Roof Scotland LtdRoofers
- MSK World LtdMotor traders
- Modou and Musa LtdCleaning companies
What happens if Smart Heating 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- SC546772
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 October 2016 (10 years ago)
- Registered office
- 3 Duddingston Square East, Edinburgh, EH15 1RU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 2 October 2025
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.
- Smartgas Solutions Group Limited2019
- So Renovations Ltd2024
- Solstice Heating Ltd2025
- Source Energy Heat Pumps Scotland Ltd2015
- Specific Plumbing and Gas Services Ltd2023
- Stef Technical Limited2013
- Strachan Plumbing Ltd2024
- Swanston Gas Ltd2026
All plumbing and heating companies in Edinburgh · All trades in Edinburgh · Plumbers and heating engineers across the UK
Frequently asked questions
When are Smart Heating Edinburgh Ltd's accounts due?
Smart Heating Edinburgh Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Smart Heating Edinburgh Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Smart Heating Edinburgh Ltd still trading?
Smart Heating Edinburgh 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 Smart Heating Edinburgh Ltd do?
Smart Heating Edinburgh Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Smart Heating Edinburgh Ltd?
Smart Heating Edinburgh Ltd was incorporated on 3 October 2016, 10 years ago.
What is the penalty if Smart Heating 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 Smart Heating Edinburgh 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.