- Companies
- Property developers
- Cardiff
- S T Kelly Construction Limited
S T Kelly Construction Limited
- Company number
- 04442635
- Incorporated
- 20 May 200224 years trading
- Registered office
- 374 Cowbridge Road East, Cardiff, South Glamorgan, CF5 1JJ
- Nature of business
- Development of building projects
S T Kelly Construction Limited is a 24-year-old private limited company registered in Cardiff, company number 04442635, one of 407 property development companies in Cardiff. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £14K (-32.3%) on the year before, to £30K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £46K against £39K owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 May 2025 | £30K | £46K | £39K | 0 | |
| 31 May 2024 | £44K | £63K | £32K | 3 | |
| 31 May 2023 | £15K | £61K | £33K | 4 | |
| 31 May 2022 | £986 | £61K | £41K | 4 | |
| 31 May 2021 | £6,975 | £61K | £34K | 1 | |
| 31 May 2020 | £19K | £8,568 | £28K | 5 | |
| 31 May 2019 | £20K | £11K | £32K | ||
| 31 May 2018 | £15K | £7,202 | £24K | ||
| 31 May 2017 | -£20K | £4,116 | £27K | ||
| 31 May 2016 | -£17K | £5,030 | £28K |
Where S T Kelly Construction Limited is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 1JJ on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
Also registered at this address
12 other companies use the same registered office as S T Kelly Construction Limited.
- A B K Property (South Wales) LimitedProperty developers
- Advance Air LimitedMachinery repair and installation
- Atlas Contracting LtdProperty developers
- C.A.B. Heating & Plumbing LimitedMachinery repair and installation
- Cactus Renovations LtdProperty developers
- Cardiff Pitched Roofing LtdRoofers
- Dragon Air Conditioning (Service) LimitedMachinery repair and installation
- Gabe Electrical LtdElectricians
- Gabe Electrical South Wales LtdElectricians
- R & D Fencing LimitedLandscapers and gardeners
- Smiths Transport Services LimitedMachinery repair and installation
- Valley Dragon Sprinklers LtdSpecialist contractors
What happens if S T Kelly Construction 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 04442635
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2002 (24 years ago)
- Registered office
- 374 Cowbridge Road East, Cardiff, South Glamorgan, CF5 1JJ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 31 May 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 Cardiff
Other active property development companies registered in Cardiff.
- S.H.G Estates Limited1999
- Sadaya Ltd2021
- Sanct Ltd2025
- Sanli Technology Limited2023
- Sarjan Limited2003
- See Development S Ltd2026
- Seeras Limited2022
- Sentile Limited2019
All property development companies in Cardiff · All trades in Cardiff · Property developers across the UK
Frequently asked questions
When are S T Kelly Construction Limited's accounts due?
S T Kelly Construction Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is S T Kelly Construction Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is S T Kelly Construction Limited still trading?
S T Kelly Construction 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 S T Kelly Construction Limited do?
S T Kelly Construction Limited is registered under Development of building projects (SIC 41100).
How old is S T Kelly Construction Limited?
S T Kelly Construction Limited was incorporated on 20 May 2002, 24 years ago.
What is the penalty if S T Kelly Construction 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 S T Kelly Construction 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.