- Companies
- Property developers
- Carmarthen
- Simon Griffiths Builders Ltd
Simon Griffiths Builders Ltd
- Company number
- 13179772
- Incorporated
- 4 Feb 20215 years trading
- Registered office
- Parciau Llanddowror, ST. Clears, Carmarthen, Dyfed, SA33 4HR
- Nature of business
- Development of building projects; Construction of domestic buildings; Plastering; Painting
Simon Griffiths Builders Ltd is a 5-year-old private limited company registered in Carmarthen, company number 13179772, one of 50 property development companies in Carmarthen. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £1,519 on the year before, to -£1,372.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £6,062 against £9,144 owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£1,372 | £6,062 | £9,144 | 2 | |
| 29 Feb 2024 | £147 | £3,392 | £5,205 | 2 | |
| 28 Feb 2023 | -£2,856 | £4,848 | £8,984 | 2 | |
| 28 Feb 2022 | £1,054 | £4,796 | £5,692 | 2 |
Where Simon Griffiths Builders Ltd is registered
The registered office is in Carmarthen (SA33), in the Carmarthenshire local authority area, Wales. Show SA33 4HR on a map.
Other trade companies in SA33
- Ajm Energy Solutions LtdElectricians
- RSJS Renovations LtdBuilders
- Blanchart Interiors LtdFinishing trades
- Cathedral City Cleaning LtdCleaning companies
- Zavaschi LimitedCivil engineering
- P & K Kitchens LimitedFinishing trades
- MDJ Carpentry LimitedJoiners and carpenters
- Preston Plumbing Heating LtdPlumbers and heating engineers
What happens if Simon Griffiths Builders Ltd 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13179772
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 February 2021 (5 years ago)
- Registered office
- Parciau Llanddowror, ST. Clears, Carmarthen, Dyfed, SA33 4HR
- Nature of business
- Development of building projects (SIC 41100)
Construction of domestic buildings (SIC 41202)
Plastering (SIC 43310)
Painting (SIC 43341) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 3 February 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 Carmarthen
Other active property development companies registered in Carmarthen.
- SJW Designs Ltd2025
- SLMN Limited2012
- Terrem Limited2020
- Upland Construction (Wales) Ltd2000
- West Wales Contracting Limited2006
- West Wales Homes Limited2008
- Whitland Green Park Limited2004
- Alibuild Ltd2026
All property development companies in Carmarthen · All trades in Carmarthen · Property developers across the UK
Frequently asked questions
When are Simon Griffiths Builders Ltd's accounts due?
Simon Griffiths Builders Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Simon Griffiths Builders Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Simon Griffiths Builders Ltd still trading?
Simon Griffiths Builders Ltd 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 Simon Griffiths Builders Ltd do?
Simon Griffiths Builders Ltd is registered under Development of building projects (SIC 41100); Construction of domestic buildings (SIC 41202); Plastering (SIC 43310); Painting (SIC 43341).
How old is Simon Griffiths Builders Ltd?
Simon Griffiths Builders Ltd was incorporated on 4 February 2021, 5 years ago.
What is the penalty if Simon Griffiths Builders 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 Simon Griffiths Builders Ltd 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.