- Companies
- Installers
- Dumfries
- Solway Insulation Services Limited
Solway Insulation Services Limited
- Company number
- SC324989
- Incorporated
- 6 Jun 200719 years trading
- Registered office
- Unit 218C Heathhall Industrial Estate, Heathhall, Dumfries, DG1 3PH
- Nature of business
- Other construction installation
Solway Insulation Services Limited is a 19-year-old private limited company registered in Dumfries, company number SC324989, one of 8 installation companies (insulation, lifts, shutters and similar) in Dumfries. 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 up £223K (+55.2%) on the year before, to £626K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £721K against £174K owed within a year: 4.1 times cover.
- 12 employees on average, up from 9 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £626K | £462K | £721K | £174K | 12 |
| 30 Jun 2024 | £404K | £217K | £620K | £282K | 9 |
| 30 Jun 2023 | £227K | £108K | £301K | £96K | 5 |
| 30 Jun 2022 | £586K | £462K | £731K | £172K | 9 |
| 30 Jun 2021 | £428K | £243K | £477K | £84K | 8 |
| 30 Jun 2020 | £424K | £305K | £493K | £104K | 8 |
| 30 Jun 2019 | £367K | £276K | £489K | £165K | 8 |
| 30 Jun 2018 | £334K | £131K | £363K | £78K | 8 |
Where Solway Insulation Services Limited is registered
The registered office is in Dumfries (DG1), in the Dumfries and Galloway local authority area, Scotland. Show DG1 3PH on a map.
Other trade companies in DG1
- Rooftek Roofing LtdRoofers
- K&M Tyre Services LtdMechanics and garages
- Rory Porteous Plumbing & Heating LimitedPlumbers and heating engineers
- Unique Landscapes & Stonecraft LimitedSpecialist contractors
- Eml Garage Car Sales LtdMotor traders
- Dca Contracting LimitedSpecialist contractors
- Dbdoorsandfloors LimitedJoiners and carpenters
- Ingram Electrical & Property Services LtdMachinery repair and installation
What happens if Solway Insulation Services 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 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
- SC324989
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 June 2007 (19 years ago)
- Registered office
- Unit 218C Heathhall Industrial Estate, Heathhall, Dumfries, DG1 3PH
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 3 August 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Dumfries
Other active installation companies (insulation, lifts, shutters and similar) registered in Dumfries.
- C S Plastering and Rendering Limited2022
- Eb Metering Limited2026
- MD Joinery & Construction Limited2023
- Merrick Inspection Services Limited2015
- Pleacairn Services Limited2021
- RM Joinery & Construction Ltd2025
- Simpsonssolutions Ltd2011
All installation companies (insulation, lifts, shutters and similar) in Dumfries · All trades in Dumfries · Installers across the UK
Frequently asked questions
When are Solway Insulation Services Limited's accounts due?
Solway Insulation Services Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Solway Insulation Services Limited'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 Solway Insulation Services Limited still trading?
Solway Insulation Services 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 Solway Insulation Services Limited do?
Solway Insulation Services Limited is registered under Other construction installation (SIC 43290).
How old is Solway Insulation Services Limited?
Solway Insulation Services Limited was incorporated on 6 June 2007, 19 years ago.
What is the penalty if Solway Insulation Services 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 Solway Insulation Services 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.