Thermolast Roofing Limited
- Company number
- 02010270
- Incorporated
- 15 Apr 198640 years trading
- Registered office
- 543 Carlisle Street East, Sheffield, S4 8DT
- Nature of business
- Roofing activities
Thermolast Roofing Limited is a 40-year-old private limited company, company number 02010270, one of the UK's roofing 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 up £9,314 (+0.7%) on the year before, to £1.3M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £1.6M against £456K owed within a year: 3.6 times cover.
- 13 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1.3M | £1.1M | £1.6M | £456K | 13 |
| 30 Jun 2024 | £1.3M | £669K | £1.5M | £293K | 13 |
| 30 Jun 2023 | £1.3M | £912K | £1.5M | £388K | 15 |
| 30 Jun 2022 | £1.3M | £881K | £1.7M | £561K | 14 |
| 30 Jun 2021 | £1.2M | £961K | £1.8M | £732K | 15 |
| 30 Jun 2020 | £1.1M | £958K | £1.3M | £352K | 20 |
| 30 Jun 2019 | £1M | £304K | £1.2M | £335K | 18 |
| 30 Jun 2018 | £927K | £318K | £1.2M | £403K | 19 |
| 30 Jun 2017 | £882K | £389K | £1M | £314K | |
| 30 Jun 2016 | £769K | £431K | £914K | £292K |
Public contracts won
Thermolast Roofing Limited has 4 public sector contract awards on record; the ones with their own published value total £463K, from 2016 to 2024. Source: Contracts Finder and Find a Tender award notices. 3 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Sheffield City Council2 awards
- Derbyshire County Council1 award
- Barnsley Metropolitan Borough Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Sheffield City Council | Beighton and Halfway Nursery Infant Schools Flat Roof Replacement | £155K | 20 Jun 2024 |
| Derbyshire County Council | PRP194 St John's Primary School, Belper Flat Roof Replacement | £148K | 4 Jul 2023 |
| Sheffield City Council | Rivelin Primary and Manor Lane Building 7 Flat Roofing | £100K | 4 May 2020 |
| Barnsley Metropolitan Borough Council | Strip & Replace Flat Felt Roof Covering with âIKOâ Mach One System & Replace Adjacent Hall Windows. Cudworth Youth Club, Snydale Road | £61K | 20 Sep 2016 |
Where Thermolast Roofing Limited is registered
The registered office is in the S4 postcode district, in the Sheffield local authority area, Yorkshire and The Humber. Show S4 8DT on a map.
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What happens if Thermolast Roofing 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
- 02010270
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 April 1986 (40 years ago)
- Registered office
- 543 Carlisle Street East, Sheffield, S4 8DT
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 November 2025
- Charges (mortgages)
- 2 outstanding of 3 registered
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies
Other active roofing companies.
Frequently asked questions
When are Thermolast Roofing Limited's accounts due?
Thermolast Roofing Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Thermolast Roofing 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 Thermolast Roofing Limited still trading?
Thermolast Roofing 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 Thermolast Roofing Limited do?
Thermolast Roofing Limited is registered under Roofing activities (SIC 43910).
How old is Thermolast Roofing Limited?
Thermolast Roofing Limited was incorporated on 15 April 1986, 40 years ago.
Has Thermolast Roofing Limited won public sector contracts?
Yes. Thermolast Roofing Limited has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £463K), most recently from Sheffield City Council.
What is the penalty if Thermolast Roofing 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 Thermolast Roofing 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.