- Companies
- Builders
- Mountain Ash
- Collinspropertygroup Ltd.
Collinspropertygroup Ltd.
- Company number
- 13588366
- Incorporated
- 26 Aug 20215 years trading
- Registered office
- Unit 15 Pontcynon Industrial Estate, Abercynon, Mountain Ash, CF45 4EP
- Nature of business
- Construction of domestic buildings; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Collinspropertygroup Ltd. is a 5-year-old private limited company registered in Mountain Ash, company number 13588366, one of 24 building contractors in Mountain Ash. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £8,960 (-100%) on the year before, to £1.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £1 | £0 | £16K | 0 | |
| 31 Mar 2024 | £8,961 | £11K | £18K | 0 | |
| 31 Mar 2023 | £6,460 | £3,244 | £10K | 0 | |
| 31 Mar 2022 | -£4,402 | £27K | £32K | 0 |
Where Collinspropertygroup Ltd. is registered
The registered office is in Mountain Ash (CF45), in the Rhondda Cynon Taf local authority area, Wales. Show CF45 4EP 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
Also registered at this address
1 other company uses the same registered office as Collinspropertygroup Ltd..
- D C L Electrics LtdElectricians
What happens if Collinspropertygroup 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13588366
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 August 2021 (5 years ago)
- Registered office
- Unit 15 Pontcynon Industrial Estate, Abercynon, Mountain Ash, CF45 4EP
- Nature of business
- Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 August 2025
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.
- Coomer's Developments Limited2025
- D.Trow Carpentry Ltd2021
- Diamond Design Interiors Building and Maintenance Limited2023
- GSP Electricians Ltd2021
- Jiga Hertz Electrical Engineering and General Services Limited2020
- JJ Brickwork and Stonework Specialists Limited2020
- KR Windows Installations Ltd2024
- KW Groundworks Ltd2017
All building contractors in Mountain Ash · All trades in Mountain Ash · Builders across the UK
Frequently asked questions
When are Collinspropertygroup Ltd.'s accounts due?
Collinspropertygroup Ltd.'s next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Collinspropertygroup Ltd.'s CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Collinspropertygroup Ltd. still trading?
Collinspropertygroup Ltd. is listed as active on the Companies House register (checked 12 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 Collinspropertygroup Ltd. do?
Collinspropertygroup Ltd. is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Collinspropertygroup Ltd.?
Collinspropertygroup Ltd. was incorporated on 26 August 2021, 5 years ago.
What is the penalty if Collinspropertygroup 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 Collinspropertygroup Ltd. on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.