- Company number
- 06419677
- Incorporated
- 6 Nov 200718 years trading
- Registered office
- Unit 19 Betws Park Workshops Park Street, Betws, Ammanford, Carmarthenshire, SA18 2ET
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Tai Dinefwr Limited is a 18-year-old private limited company registered in Ammanford, company number 06419677, one of 32 building contractors in Ammanford. Its next accounts are due at Companies House on 27 August 2027, and the CT600 for the period to 27 November 2026 is due at HMRC on 27 November 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 £18K (-5%) on the year before, to -£383K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £55K against £438K owed within a year: 0.1 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£383K | £2,751 | £55K | £438K | 0 |
| 30 Nov 2024 | -£365K | £2,700 | £73K | £437K | 0 |
| 30 Nov 2023 | -£361K | £262 | £68K | £429K | 0 |
| 30 Nov 2022 | -£360K | £2,744 | £91K | £451K | 0 |
| 30 Nov 2021 | -£361K | £586 | £113K | £473K | 0 |
| 30 Nov 2020 | -£691K | £69 | £112K | £803K | 0 |
| 30 Nov 2019 | -£559K | £392 | £516K | £1.1M | 0 |
| 30 Nov 2018 | -£522K | £1,618 | £520K | £1.2M | |
| 30 Nov 2017 | -£163K | £2,942 | £618K | £911K | |
| 30 Nov 2016 | £8,417 | £2,237 | £572K | £563K |
Where Tai Dinefwr Limited is registered
The registered office is in Ammanford (SA18), in the Carmarthenshire local authority area, Wales. Show SA18 2ET on a map.
Other trade companies in SA18
- Ace Resin Group LtdFinishing trades
- Dyfed Engineering LtdElectricians
- Serval Mechanical & Fabrication LtdMechanics and garages
- Timber and Trade Solutions LtdBuilders
- West Wales Cleaning Group LtdCleaning companies
- Carpet Confession LtdCleaning companies
- Elite Painting Solutions LtdPainters and decorators
- Dafku Construction LtdCivil engineering
Also registered at this address
1 other company uses the same registered office as Tai Dinefwr Limited.
- Gwenlais Developments LimitedProperty developers
What happens if Tai Dinefwr 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 27 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Aug 2027 to 27 Sep 2027 | £150 |
| 1 to 3 months late | 28 Sep 2027 to 27 Nov 2027 | £375 |
| 3 to 6 months late | 28 Nov 2027 to 27 Feb 2028 | £750 |
| More than 6 months late | From 28 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 Nov 2027 | £200 |
| 3 months late | 27 Feb 2028 | another £200 |
| 6 months late | 27 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 Nov 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
- 06419677
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 November 2007 (18 years ago)
- Registered office
- Unit 19 Betws Park Workshops Park Street, Betws, Ammanford, Carmarthenshire, SA18 2ET
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 27 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 28 October 2025
- Charges (mortgages)
- 5 outstanding of 5 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Ammanford
Other active building contractors registered in Ammanford.
- Timber and Trade Solutions Ltd2026
- Timbercraft Construction Ltd2017
- Ty Coch Construction Ltd2019
- 1770 Developments Limited2015
- 2X2 Construction Ltd2022
- A J'S Property Maintenance (Llanelli) Limited2018
- Austin Richards Homes Ltd2017
- Bickford Construction Limited2002
All building contractors in Ammanford · All trades in Ammanford · Builders across the UK
Frequently asked questions
When are Tai Dinefwr Limited's accounts due?
Tai Dinefwr Limited's next accounts are due at Companies House by 27 August 2027 (in 318 days), covering the period to 27 November 2026.
When is Tai Dinefwr Limited's CT600 due?
The CT600 for the period to 27 November 2026 is due at HMRC by 27 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 August 2027.
Is Tai Dinefwr Limited still trading?
Tai Dinefwr 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 Tai Dinefwr Limited do?
Tai Dinefwr Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Tai Dinefwr Limited?
Tai Dinefwr Limited was incorporated on 6 November 2007, 18 years ago.
What is the penalty if Tai Dinefwr 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 Tai Dinefwr 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.