- Companies
- Property developers
- Cardiff
- Llewellyn Developments Ltd
Llewellyn Developments Ltd
- Company number
- 12378871
- Incorporated
- 27 Dec 20196 years trading
- Registered office
- 108 Brython Drive, ST. Mellons, Cardiff, CF3 0GB
- Nature of business
- Development of building projects
Llewellyn Developments Ltd is a 6-year-old private limited company registered in Cardiff, company number 12378871, one of 407 property development companies in Cardiff. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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 £3,960 (-3.7%) on the year before, to £103K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £196K against £104K owed within a year: 1.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Dec 2024 | £103K | £196K | £104K | 1 | |
| 31 Dec 2023 | £107K | £190K | £97K | 1 | |
| 31 Dec 2022 | £67K | £123K | £73K | 1 | |
| 31 Dec 2021 | £51K | £72K | £43K | 1 | |
| 31 Dec 2020 | £1 | £1 |
Where Llewellyn Developments Ltd is registered
The registered office is in Cardiff (CF3), in the Cardiff local authority area, Wales. Show CF3 0GB on a map.
Other trade companies in CF3
- Ions Trade & Projects LtdInstallers
- Fly Tech LtdMachinery repair and installation
- Dragonfly Site Services LtdSpecialist contractors
- Arc Energy Systems LtdElectricians
- Floyd’S Consultants LtdProperty developers
- Blues Mechanical LtdInstallers
- Climate Control Cardiff LtdPlumbers and heating engineers
- Campo & Co Developments LtdBuilders
Also registered at this address
2 other companies use the same registered office as Llewellyn Developments Ltd.
- Clive Crescent LtdProperty developers
- Licd Holdings LtdProperty developers
What happens if Llewellyn Developments Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Dec 2026 | £200 |
| 3 months late | 30 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Dec 2027 | 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
- 12378871
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 December 2019 (6 years ago)
- Registered office
- 108 Brython Drive, ST. Mellons, Cardiff, CF3 0GB
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 December 2024
- Last confirmation statement
- 26 December 2025
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.
- LSKP Developments Limited2015
- LT Property Developments Limited2016
- Luxe Building and Renovations Ltd2025
- M A Construction Solutions Ltd2026
- M Green Insulation Ltd2024
- Mably Investment Limited1994
- Mace Construct Group Limited2026
- Madley Property Limited2005
All property development companies in Cardiff · All trades in Cardiff · Property developers across the UK
Frequently asked questions
When are Llewellyn Developments Ltd's accounts due?
Llewellyn Developments Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Llewellyn Developments Ltd's CT600 due?
The CT600 for the period to 30 December 2025 is due at HMRC by 30 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is Llewellyn Developments Ltd still trading?
Llewellyn Developments Ltd is listed as active on the Companies House register (checked 13 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 Llewellyn Developments Ltd do?
Llewellyn Developments Ltd is registered under Development of building projects (SIC 41100).
How old is Llewellyn Developments Ltd?
Llewellyn Developments Ltd was incorporated on 27 December 2019, 6 years ago.
What is the penalty if Llewellyn Developments 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 Llewellyn Developments Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.