- Companies
- Builders
- Mountain Ash
- UPVC and Glass Ltd
UPVC and Glass Ltd
- Company number
- 16189385
- Incorporated
- 16 Jan 20251 year trading
- Registered office
- Lan Farm, Llanwonno Road, Mountain Ash, CF45 3EJ
- Nature of business
- Construction of domestic buildings
UPVC and Glass Ltd is a 1-year-old private limited company registered in Mountain Ash, company number 16189385, one of 24 building contractors in Mountain Ash. Its next accounts are due at Companies House on 16 October 2026, and its first CT600 is due at HMRC on 15 January 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where UPVC and Glass Ltd is registered
The registered office is in Mountain Ash (CF45), in the Rhondda Cynon Taf local authority area, Wales. Show CF45 3EJ on a map.
Other trade companies in CF45
- Pro Guard Home Improvements LtdRoofers
- Smiths Rendering & Resin LtdBuilders
- Ironrootslandscaping LimitedLandscapers and gardeners
- Lee Griffiths Contractors LimitedFinishing trades
- Theglossboss LtdCleaning companies
- Brickzen Constructions LtdInstallers
- STR Drylining LtdBuilders
- Greenvoltinfrastructure LtdCivil engineering
What happens if UPVC and Glass 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 16 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Oct 2026 to 16 Nov 2026 | £150 |
| 1 to 3 months late | 17 Nov 2026 to 16 Jan 2027 | £375 |
| 3 to 6 months late | 17 Jan 2027 to 16 Apr 2027 | £750 |
| More than 6 months late | From 17 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16189385
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 January 2025 (1 year ago)
- Registered office
- Lan Farm, Llanwonno Road, Mountain Ash, CF45 3EJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 15 January 2026
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 Mountain Ash
Other active building contractors registered in Mountain Ash.
- Acuma Properties Ltd2019
- Atw Groundworks and Civil Engineering Limited2014
- Babis Homes Limited2014
- Build-Tec Contractors Limited2008
- C&L Rendering Ltd2021
- Collinspropertygroup Ltd.2021
- Coomer's Developments Limited2025
- D.Trow Carpentry Ltd2021
All building contractors in Mountain Ash · All trades in Mountain Ash · Builders across the UK
Frequently asked questions
When are UPVC and Glass Ltd's accounts due?
UPVC and Glass Ltd's next accounts are due at Companies House by 16 October 2026 (in 3 days), covering the period to 31 January 2026.
When is UPVC and Glass Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 15 January 2026, due by 15 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is UPVC and Glass Ltd still trading?
UPVC and Glass 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 UPVC and Glass Ltd do?
UPVC and Glass Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is UPVC and Glass Ltd?
UPVC and Glass Ltd was incorporated on 16 January 2025, 1 year ago.
What is the penalty if UPVC and Glass 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 UPVC and Glass 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.