- Companies
- Property developers
- Aberdare
- Mark Rees & Sons Limited
Mark Rees & Sons Limited
- Company number
- 05724898
- Incorporated
- 28 Feb 200620 years trading
- Registered office
- SWN Yr Afon Forge View, Godreaman, Aberdare, CF44 6DN
- Nature of business
- Development of building projects
Mark Rees & Sons Limited is a 20-year-old private limited company registered in Aberdare, company number 05724898, one of 40 property development companies in Aberdare. 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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Where Mark Rees & Sons Limited is registered
The registered office is in Aberdare (CF44), in the Rhondda Cynon Taf local authority area, Wales. Show CF44 6DN on a map.
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What happens if Mark Rees & Sons 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 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
- 05724898
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 February 2006 (20 years ago)
- Registered office
- SWN Yr Afon Forge View, Godreaman, Aberdare, CF44 6DN
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 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 Aberdare
Other active property development companies registered in Aberdare.
- MHW Developments Ltd2021
- Morris Property Developments Ltd2021
- Philtronics Solutions Limited2018
- Prestige Homes Cwmbach Ltd2021
- Prestige Homes Pentwyn Cynon Farm Ltd2024
- Prestige Homes Trecynon Ltd2023
- Protech Plumbing Ltd2024
- Redwood Homes South Wales Ltd2025
All property development companies in Aberdare · All trades in Aberdare · Property developers across the UK
Frequently asked questions
When are Mark Rees & Sons Limited's accounts due?
Mark Rees & Sons Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Mark Rees & Sons Limited'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 Mark Rees & Sons Limited still trading?
Mark Rees & Sons 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 Mark Rees & Sons Limited do?
Mark Rees & Sons Limited is registered under Development of building projects (SIC 41100).
How old is Mark Rees & Sons Limited?
Mark Rees & Sons Limited was incorporated on 28 February 2006, 20 years ago.
What is the penalty if Mark Rees & Sons 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 Mark Rees & Sons 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.