- Companies
- Builders
- Aberystwyth
- Mynydd Construction Ltd
Mynydd Construction Ltd
- Company number
- 14975555
- Incorporated
- 3 Jul 20233 years trading
- Registered office
- 28 Third Avenue, Penparcau, Aberystwyth, SY23 1RF
- Nature of business
- Construction of domestic buildings
Mynydd Construction Ltd is a 3-year-old private limited company registered in Aberystwyth, company number 14975555, one of 19 building contractors in Aberystwyth. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £2,505 (-44.4%) on the year before, to £3,143.
- Current assets of £13K against £28K owed within a year: 0.5 times cover.
- 3 employees on average, up from 1 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £3,143 | £13K | £28K | 3 | |
| 31 Jul 2024 | £5,648 | £6,867 | £7,724 | 1 |
Where Mynydd Construction Ltd is registered
The registered office is in Aberystwyth (SY23), in the Ceredigion local authority area, Wales. Show SY23 1RF on a map.
Other trade companies in SY23
- The Sustainable Living Group LtdBuilders
- Mid-Wales Developments LtdBuilders
- Samakara LtdProperty developers
- Blue Ladder Properties LtdProperty developers
- H Martin Thomas LtdSpecialist contractors
- Mykola's Autorepairs LimitedMechanics and garages
- Asj Exterior Solutions LtdCleaning companies
- Hivos UK LtdMotor traders
What happens if Mynydd Construction 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 14975555
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 July 2023 (3 years ago)
- Registered office
- 28 Third Avenue, Penparcau, Aberystwyth, SY23 1RF
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 29 April 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 Aberystwyth
Other active building contractors registered in Aberystwyth.
- R Hopkins Construction Ltd2021
- The Sustainable Living Group Ltd2026
- Timber Design Wales Ltd2023
- A J Price Carpenter and Builder Ltd2022
- Aber Developments Limited2002
- Brian Roberts Building Limited2006
- Cambrian Carpentry Limited2024
- Celtic Duo Construction Ltd2015
All building contractors in Aberystwyth · All trades in Aberystwyth · Builders across the UK
Frequently asked questions
When are Mynydd Construction Ltd's accounts due?
Mynydd Construction Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Mynydd Construction Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Mynydd Construction Ltd still trading?
Mynydd Construction 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 Mynydd Construction Ltd do?
Mynydd Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Mynydd Construction Ltd?
Mynydd Construction Ltd was incorporated on 3 July 2023, 3 years ago.
What is the penalty if Mynydd Construction 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 Mynydd Construction 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.