- Companies
- Installers
- Sheffield
- Propwarm Ltd
Propwarm Ltd
- Company number
- 17465311
- Incorporated
- 17 Sep 2026
- Registered office
- Unit E03, Charter Square, Sheffield, South Yorkshire, S1 4HS
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.; Environmental consulting activities; Other professional, scientific and technical activities n.e.c.
Propwarm Ltd is a newly incorporated private limited company registered in Sheffield, company number 17465311, one of 175 installation companies (insulation, lifts, shutters and similar) in Sheffield. Its next accounts are due at Companies House on 17 June 2028, and its first CT600 is due at HMRC on 16 September 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Propwarm Ltd is registered
The registered office is in Sheffield (S1), in the Sheffield local authority area, Yorkshire and The Humber. Show S1 4HS on a map.
Other trade companies in S1
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- Pro Clean and Upkeep Services LtdCleaning companies
- Ecograder LtdPlumbers and heating engineers
- Nanoconservation LtdSpecialist contractors
- Kinvic Cleaning LtdCleaning companies
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- Elvenhome LimitedProperty developers
What happens if Propwarm 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 17 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Jun 2028 to 17 Jul 2028 | £150 |
| 1 to 3 months late | 18 Jul 2028 to 17 Sep 2028 | £375 |
| 3 to 6 months late | 18 Sep 2028 to 17 Dec 2028 | £750 |
| More than 6 months late | From 18 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2029 | 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
- 17465311
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 September 2026
- Registered office
- Unit E03, Charter Square, Sheffield, South Yorkshire, S1 4HS
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999)
Environmental consulting activities (SIC 74901)
Other professional, scientific and technical activities n.e.c. (SIC 74909) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 Sheffield
Other active installation companies (insulation, lifts, shutters and similar) registered in Sheffield.
- Quality Air Extraction Limited2019
- R&R Drainage Services Ltd2021
- R. A.B Interiors Ltd2025
- Rac Cladding Ltd2021
- Rasdale Construction Limited2023
- Re-Faced Ltd2020
- RPH Maintenance Ltd2023
- RR First Step Contractors Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Sheffield · All trades in Sheffield · Installers across the UK
Frequently asked questions
When are Propwarm Ltd's accounts due?
Propwarm Ltd's next accounts are due at Companies House by 17 June 2028 (in 614 days), covering the period to 30 September 2027.
When is Propwarm Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 16 September 2027, due by 16 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Propwarm Ltd still trading?
Propwarm 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 Propwarm Ltd do?
Propwarm Ltd is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999); Environmental consulting activities (SIC 74901); Other professional, scientific and technical activities n.e.c. (SIC 74909).
How old is Propwarm Ltd?
Propwarm Ltd was incorporated on 17 September 2026, less than a year ago.
What is the penalty if Propwarm 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 Propwarm 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.