- Companies
- Plumbers and heating engineers
- Firth Heating Ltd.
Firth Heating Ltd.
- Company number
- SC278402
- Incorporated
- 13 Jan 200521 years trading
- Registered office
- 13 High Street, Lossiemouth, Moray, IV31 6PH
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Firth Heating Ltd. is a 21-year-old private limited company registered in Moray, company number SC278402, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £127K (-96%) on the year before, to £5,283.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £37K against £31K owed within a year: 1.2 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £5,283 | £17K | £37K | £31K | 5 |
| 31 Dec 2023 | £132K | £126K | £215K | £114K | 5 |
| 31 Dec 2022 | £62K | £225K | £296K | £244K | 4 |
| 31 Dec 2021 | £12K | £233K | £293K | £292K | 4 |
| 31 Dec 2020 | £5,233 | £215K | £264K | £275K | 4 |
| 31 Dec 2019 | £415 | £198K | £238K | £251K | 4 |
| 31 Dec 2018 | £219 | £146K | £191K | £208K | |
| 31 Dec 2017 | £320 | £158K | £215K | £229K | |
| 31 Dec 2016 | £139K | ||||
| 31 Dec 2015 | £255 | £146K | £202K | £216K |
Where Firth Heating Ltd. is registered
The registered office is in Moray (IV31), in the Moray local authority area, Scotland. Show IV31 6PH on a map.
Other trade companies in IV31
- Li Kinetic LtdElectricians
- D Richmond Fabrication LtdCivil engineering
- RLW Electrical Contractor LtdElectricians
- Anarchy Automotive LtdMechanics and garages
- Stewart Roofing & Property Maintenance LtdRoofers
- Quilliam Vehicle Maintenance LtdMechanics and garages
- Adj Joiners & Contractors LtdJoiners and carpenters
- Ef Building and Landscaping LtdProperty developers
What happens if Firth Heating 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 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
- SC278402
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 January 2005 (21 years ago)
- Registered office
- 13 High Street, Lossiemouth, Moray, IV31 6PH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 13 January 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
Other active plumbing and heating companies.
- Stuart Maclaren Plumbing & Heating Ltd.2005
- Richard Thompson and Sons (Plumbing and Heating) Ltd2005
- Forth Plumbing & Heating (Stirling) Limited2005
- William Kennedy Plumbers Limited2005
- D. McKillop Plumbing & Heating Limited2005
- A1 Clear Drainage & Plumbing Solutions Ltd.2005
- Aboyne Plumbing & Heating Limited2005
- Steve Gray (Plumbing & Heating) Ltd.2005
Frequently asked questions
When are Firth Heating Ltd.'s accounts due?
Firth Heating Ltd.'s next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Firth Heating Ltd.'s CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Firth Heating Ltd. still trading?
Firth Heating 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 Firth Heating Ltd. do?
Firth Heating Ltd. is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Firth Heating Ltd.?
Firth Heating Ltd. was incorporated on 13 January 2005, 21 years ago.
What is the penalty if Firth Heating 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 Firth Heating 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.