- Companies
- Installers
- Johnstone
- CTF Insulation Limited
CTF Insulation Limited
- Company number
- SC424913
- Incorporated
- 25 May 201214 years trading
- Registered office
- 32 Houstoun Court, Houstoun Court, Johnstone, PA5 8DL
- Nature of business
- Other construction installation
CTF Insulation Limited is a 14-year-old private limited company registered in Johnstone, company number SC424913, one of 9 installation companies (insulation, lifts, shutters and similar) in Johnstone. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £152K (-21.8%) on the year before, to £545K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £505K against £155K owed within a year: 3.3 times cover.
- 5 employees on average, down from 7 the year before.
- Balance sheets on record for 7 years, 2014 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £545K | £112K | £505K | £155K | 5 |
| 31 May 2024 | £697K | £277K | £780K | £260K | 7 |
| 31 May 2021 | £467K | £544K | £192K | 4 | |
| 31 May 2020 | £543K | £482K | £132K | 4 | |
| 31 May 2016 | £414K | £73K | £401K | £121K | |
| 31 May 2015 | £363K | £222K | £528K | £242K | |
| 31 May 2014 | £147K | £96K | £179K | £34K |
Where CTF Insulation Limited is registered
The registered office is in Johnstone (PA5), in the Renfrewshire local authority area, Scotland. Show PA5 8DL on a map.
Other trade companies in PA5
- All About Tippers LimitedMotor traders
- Kilbarchan Garage Services LtdMechanics and garages
- JB Property Expert LtdProperty developers
- Home Energy Improvements Scotland LtdInstallers
- SD Joinery LtdJoiners and carpenters
- CLM Build Projects LtdProperty developers
- VK Build & Renovation LimitedInstallers
- West Coast MOT LtdMechanics and garages
Also registered at this address
1 other company uses the same registered office as CTF Insulation Limited.
- Taylored Heating & Plumbing LtdPlumbers and heating engineers
What happens if CTF Insulation 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- SC424913
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 May 2012 (14 years ago)
- Registered office
- 32 Houstoun Court, Houstoun Court, Johnstone, PA5 8DL
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 25 May 2026
- Charges (mortgages)
- 2 outstanding of 2 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 Johnstone
Other active installation companies (insulation, lifts, shutters and similar) registered in Johnstone.
- Home Energy Improvements Scotland Ltd2026
- PKTG Mechanical Intergrated Services Ltd2026
- PPS Scot Limited2025
- Taylor Joiner and Building Services Ltd2018
- VK Build & Renovation Limited2026
- Alexandermacbeth.Com Ltd2013
- Cameron Ceilings and Partitions Ltd2018
- Canning Construction Services Limited2025
All installation companies (insulation, lifts, shutters and similar) in Johnstone · All trades in Johnstone · Installers across the UK
Frequently asked questions
When are CTF Insulation Limited's accounts due?
CTF Insulation Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is CTF Insulation Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is CTF Insulation Limited still trading?
CTF Insulation 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 CTF Insulation Limited do?
CTF Insulation Limited is registered under Other construction installation (SIC 43290).
How old is CTF Insulation Limited?
CTF Insulation Limited was incorporated on 25 May 2012, 14 years ago.
What is the penalty if CTF Insulation 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 CTF Insulation 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.