- Companies
- Property developers
- Solihull
- Prothermal Contracts Limited
Prothermal Contracts Limited
- Company number
- 14011525
- Incorporated
- 30 Mar 20224 years trading
- Registered office
- 41 Elmdon Park Road, Solihull, B92 9HB
- Nature of business
- Development of building projects; Plumbing, heat and air-conditioning installation; Other construction installation; Other building completion and finishing
Prothermal Contracts Limited is a 4-year-old private limited company registered in Solihull, company number 14011525, one of 300 property development companies in Solihull. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £24K (+292.3%) on the year before, to £33K.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £33K | £41K | 1 | ||
| 31 Mar 2024 | £8,373 | £8,373 | 1 | ||
| 31 Mar 2023 | £45K | £45K | 1 |
Where Prothermal Contracts Limited is registered
The registered office is in Solihull (B92), in the Solihull local authority area, West Midlands. Show B92 9HB on a map.
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What happens if Prothermal Contracts 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14011525
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 March 2022 (4 years ago)
- Registered office
- 41 Elmdon Park Road, Solihull, B92 9HB
- Nature of business
- Development of building projects (SIC 41100)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 March 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Solihull
Other active property development companies registered in Solihull.
- Quality Brickwork Contractors Ltd.2000
- R & I Developments Ltd.2019
- R.Petts Property Maintenance Limited2015
- Rangemoor Windows Ltd2013
- Ray Construction Services Limited2024
- Reframe Property Limited2026
- Regional Retail Limited2019
- Robin Property Development Ltd2025
All property development companies in Solihull · All trades in Solihull · Property developers across the UK
Frequently asked questions
When are Prothermal Contracts Limited's accounts due?
Prothermal Contracts Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Prothermal Contracts Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Prothermal Contracts Limited still trading?
Prothermal Contracts 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 Prothermal Contracts Limited do?
Prothermal Contracts Limited is registered under Development of building projects (SIC 41100); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Prothermal Contracts Limited?
Prothermal Contracts Limited was incorporated on 30 March 2022, 4 years ago.
What is the penalty if Prothermal Contracts 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 Prothermal Contracts 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.