- Companies
- Builders
- Machynlleth
- Tai Twymyn Cyf
Tai Twymyn Cyf
- Company number
- 06456283
- Incorporated
- 18 Dec 200718 years trading
- Registered office
- 12 Heol Penrallt Street, Machynlleth, Machynlleth, Powys, SY20 8AL
- Nature of business
- Construction of domestic buildings
Tai Twymyn Cyf is a 18-year-old private limited company registered in Machynlleth, company number 06456283, one of 10 building contractors in Machynlleth. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 unchanged on the year before, at -£120K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £104K against £776 owed within a year: more than 10 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 Dec 2025 | -£120K | £104K | £776 | 0 | |
| 31 Dec 2024 | -£120K | £104K | £776 | 0 | |
| 31 Dec 2023 | -£123K | £104K | £4,029 | 0 | |
| 31 Dec 2022 | -£108K | £120K | £5,339 | 0 | |
| 31 Dec 2021 | -£29K | £199K | £228K | 0 | |
| 31 Dec 2020 | -£58K | £167K | £224K | 0 | |
| 31 Dec 2019 | -£57K | £167K | £224K | 0 | |
| 31 Dec 2018 | -£57K | £16K | £166K | £223K | |
| 31 Dec 2017 | -£2,982 | £2,809 | £220K | £223K | |
| 31 Dec 2016 | -£220K | £2,843 | £223K |
Where Tai Twymyn Cyf is registered
The registered office is in Machynlleth (SY20), in the Ceredigion local authority area, Wales. Show SY20 8AL on a map.
Other trade companies in SY20
- Earthed Trails LtdLandscapers and gardeners
- D.R.V Trees LtdLandscapers and gardeners
- Oura House LimitedBuilders
- Holte Homes LtdProperty developers
- Crowncare Aborists LimitedLandscapers and gardeners
- R B D Roofing LtdBuilders
- Bazz Car Wash LtdCleaning companies
- DV Roofing LtdRoofers
Also registered at this address
1 other company uses the same registered office as Tai Twymyn Cyf.
- Annedd LtdBuilders
What happens if Tai Twymyn Cyf 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 06456283
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 December 2007 (18 years ago)
- Registered office
- 12 Heol Penrallt Street, Machynlleth, Machynlleth, Powys, SY20 8AL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 18 December 2025
- Charges (mortgages)
- 1 outstanding of 6 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 Machynlleth
Other active building contractors registered in Machynlleth.
- Towyn Marine Properties Limited2015
- Annedd Ltd2001
- Davies & Evans Limited2003
- Lewis Construction and Renovation Limited2024
- M L Evans (Darowen) Limited2015
- Maincome Properties Limited2024
- Mehdi El-Radhi Construction Limited2012
- Oura House Limited2026
All building contractors in Machynlleth · All trades in Machynlleth · Builders across the UK
Frequently asked questions
When are Tai Twymyn Cyf's accounts due?
Tai Twymyn Cyf's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Tai Twymyn Cyf's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Tai Twymyn Cyf still trading?
Tai Twymyn Cyf 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 Twymyn Cyf do?
Tai Twymyn Cyf is registered under Construction of domestic buildings (SIC 41202).
How old is Tai Twymyn Cyf?
Tai Twymyn Cyf was incorporated on 18 December 2007, 18 years ago.
What is the penalty if Tai Twymyn Cyf 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 Twymyn Cyf 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.