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- Mountain Ash Render Systems Ltd
Company profile · Finishing trades
Mountain Ash Render Systems Ltd
Mountain Ash Render Systems Ltd is a 12-year-old private limited company registered in Mountain Ash, company number 09184463, one of 5 building finishing companies in Mountain Ash. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Mountain Ash Render Systems Ltd over the years
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 up £40K (+16.5%) on the year before, to £283K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £513K against £272K owed within a year: 1.9 times cover.
- 2 employees on average during the year.
- 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 Sep 2025 | £283K | £513K | £272K | 2 | |
| 30 Sep 2024 | £243K | £398K | £172K | 2 | |
| 30 Sep 2023 | £291K | £409K | £139K | 2 | |
| 30 Sep 2022 | £250K | £319K | £111K | 2 | |
| 30 Sep 2021 | £244K | £389K | £141K | 2 | |
| 30 Sep 2020 | £286K | £405K | £112K | 2 | |
| 30 Sep 2019 | £331K | £188K | £426K | £115K | 1 |
| 30 Sep 2018 | £235K | £265K | £37K | ||
| 30 Sep 2017 | £161K | £175K | £38K | ||
| 30 Sep 2016 | £97K | £41K | £149K | £76K |
Where Mountain Ash Render Systems Ltd is registered
The registered office is in Mountain Ash (CF45), in the Rhondda Cynon Taf local authority area, Wales. Show CF45 4AQ 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 Mountain Ash Render Systems 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 09184463
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2014 (12 years ago)
- Registered office
- Amberlee House, Trem Y Dyffryn, Mountain Ash, CF45 4AQ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 2 February 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Mountain Ash
Other active building finishing companies registered in Mountain Ash.
- N&B Construction Ltd2023
- Abh Rendering Ltd2025
- Delta Washrooms Ltd2019
- Lee Griffiths Contractors Limited2026
All building finishing companies in Mountain Ash · All trades in Mountain Ash · Finishing trades across the UK
Frequently asked questions
When are Mountain Ash Render Systems Ltd's accounts due?
Mountain Ash Render Systems Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Mountain Ash Render Systems Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mountain Ash Render Systems Ltd still trading?
Mountain Ash Render Systems 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 Mountain Ash Render Systems Ltd do?
Mountain Ash Render Systems Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Mountain Ash Render Systems Ltd?
Mountain Ash Render Systems Ltd was incorporated on 21 August 2014, 12 years ago.
What is the penalty if Mountain Ash Render Systems 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 Mountain Ash Render Systems 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.