- Companies
- Property developers
- Cardiff
- Thornton Property Developments Limited
Company profile · Property developers
Thornton Property Developments Limited
Thornton Property Developments Limited is a 6-year-old private limited company registered in Cardiff, company number 12738966, one of 407 property development companies in Cardiff. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Thornton Property Developments LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
Thornton Property Developments Limited over the years
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 £11K (+2.7%) on the year before, to £403K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £648K against £159K owed within a year: 4.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £403K | £648K | £159K | 1 | |
| 31 Jul 2024 | £392K | £630K | £97K | 1 | |
| 31 Jul 2023 | £11K | £406K | £78K | 1 | |
| 31 Jul 2022 | £5,436 | £634K | £45K | 1 | |
| 31 Jul 2021 | -£7,075 | £1,909 | £592K | £618K | 1 |
Where Thornton Property Developments Limited is registered
The registered office is in Cardiff (CF14), in the Caerphilly local authority area, Wales. Show CF14 8LH on a map.
Other trade companies in CF14
- Velren Group LtdProperty developers
- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
What happens if Thornton Property Developments 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12738966
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 July 2020 (6 years ago)
- Registered office
- PO Box 4385, 12738966 - Companies House Default Address, Cardiff, CF14 8LH
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 12 July 2025
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Cardiff
Other active property development companies registered in Cardiff.
- TJC Property Services Ltd2024
- Tomil Group Ltd2026
- Tonypandy Development Company Ltd2024
- Total Integrated Management Europe Limited1993
- Town 2 Home Limited2019
- TQS Development Ltd2021
- Trafalgar Services Ltd2021
- Tredilion Park Ltd2018
All property development companies in Cardiff · All trades in Cardiff · Property developers across the UK
Frequently asked questions
When are Thornton Property Developments Limited's accounts due?
Thornton Property Developments Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Thornton Property Developments Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Thornton Property Developments Limited still trading?
Thornton Property Developments Limited is listed as active on the Companies House register (checked 12 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 Thornton Property Developments Limited do?
Thornton Property Developments Limited is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100).
How old is Thornton Property Developments Limited?
Thornton Property Developments Limited was incorporated on 13 July 2020, 6 years ago.
What is the penalty if Thornton Property Developments 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 Thornton Property Developments Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.