- Companies
- Property developers
- Llanelli
- JDT Developments Limited
JDT Developments Limited
- Company number
- 04941623
- Incorporated
- 23 Oct 200322 years trading
- Registered office
- Highmead House, Corporation Avenue, Llanelli, Carmarthenshire, SA15 3SR
- Nature of business
- Development of building projects
JDT Developments Limited is a 22-year-old private limited company registered in Llanelli, company number 04941623, one of 50 property development companies in Llanelli. 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 down £1,049 (-2.3%) on the year before, to -£47K.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- 1 employee 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£47K | £76 | £50K | 1 | |
| 31 Mar 2024 | -£46K | £165 | £49K | 1 | |
| 31 Mar 2023 | -£41K | £1,014 | £45K | 1 | |
| 31 Mar 2022 | -£40K | £2,436 | £45K | 1 | |
| 31 Mar 2021 | -£40K | £3,116 | £45K | 1 | |
| 31 Mar 2020 | -£39K | £179 | £42K | 1 | |
| 31 Mar 2019 | -£38K | £101 | £41K | ||
| 31 Mar 2018 | -£37K | £296 | £40K | ||
| 31 Mar 2017 | -£35K | £1,409 | £41K | ||
| 31 Mar 2016 | -£34K | £6,258 | £6,258 | £40K |
Where JDT Developments Limited is registered
The registered office is in Llanelli (SA15), in the Carmarthenshire local authority area, Wales. Show SA15 3SR on a map.
Other trade companies in SA15
- Annesley Street (Llanelli) LtdProperty developers
- A&J Landscapes and Property Maintenance LimitedLandscapers and gardeners
- A.C Electrics Llanelli LtdElectricians
- Blue Lagoon Paving & Patios LtdLandscapers and gardeners
- Gwyn Towns Installations LtdInstallers
- Ozma Developments LtdProperty developers
- Swansea Mobile Boat Engineers LtdMachinery repair and installation
- South Wales Bathrooms and Heating LtdPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as JDT Developments Limited.
- W A Bowler LimitedBuilders
What happens if JDT 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 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
- 04941623
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 October 2003 (22 years ago)
- Registered office
- Highmead House, Corporation Avenue, Llanelli, Carmarthenshire, SA15 3SR
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 23 October 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 Llanelli
Other active property development companies registered in Llanelli.
- Kolay Para Contractors Ltd2020
- KPF Group Ltd2026
- Lloyd & Gravell Limited1998
- M Hiorns Building Contractor Limited2002
- Mark Owen Limited1998
- Mimi Developments (2018) Ltd2018
- Nba Developments Limited2004
- Osbournandjames Ltd2026
All property development companies in Llanelli · All trades in Llanelli · Property developers across the UK
Frequently asked questions
When are JDT Developments Limited's accounts due?
JDT Developments 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 JDT Developments 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 JDT Developments Limited still trading?
JDT Developments 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 JDT Developments Limited do?
JDT Developments Limited is registered under Development of building projects (SIC 41100).
How old is JDT Developments Limited?
JDT Developments Limited was incorporated on 23 October 2003, 22 years ago.
What is the penalty if JDT 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 JDT Developments 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.