- Company number
- 13380630
- Incorporated
- 6 May 20215 years trading
- Registered office
- 27 Braichmelyn, Bethesda, Bangor, LL57 3RD
- Nature of business
- Construction of domestic buildings
Cerrig A Cartref Cyf is a 5-year-old private limited company registered in Bangor, company number 13380630, one of 75 building contractors in Bangor. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Cerrig A Cartref CyfOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 up £50 (+113.6%) on the year before, to £6.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £9,648 against £14K owed within a year: 0.7 times cover.
- 2 employees on average, down from 3 the year before.
- 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 May 2025 | £6 | £496 | £9,648 | £14K | 2 |
| 31 May 2024 | -£44 | £7,951 | £11K | £16K | 3 |
| 31 May 2023 | -£58 | £7,899 | £9,099 | £15K | 2 |
| 31 May 2022 | £843 | £280 | £1,480 | £4,637 | 2 |
Where Cerrig A Cartref Cyf is registered
The registered office is in Bangor (LL57), in the Gwynedd local authority area, Wales. Show LL57 3RD on a map.
Other trade companies in LL57
- Purple Plumbers LimitedPlumbers and heating engineers
- E.R.A Humphreys LimitedCivil engineering
- Morris&Owens LimitedPlasterers
- North Coast Carpentry and Construction LimitedJoiners and carpenters
- P M Williams & Son LtdBuilders
- K Gorilla Cars LtdMotor traders
- Gwynedd Scaffolding LimitedScaffolders
- J&G Building and Assembling LtdBuilders
What happens if Cerrig A Cartref Cyf 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 13380630
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2021 (5 years ago)
- Registered office
- 27 Braichmelyn, Bethesda, Bangor, LL57 3RD
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 17 June 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 Bangor
Other active building contractors registered in Bangor.
- Chester Developments (NI) Limited2003
- Chris Griffiths Limited2019
- Clifton Developments NI Ltd2007
- Dalby Avenue Bedminster Limited2021
- Decj Property Rental & Maintenance Ltd2012
- Draig Group Ltd2026
- DS Ceilings Limited2016
- Duncan Sheds Ltd2025
All building contractors in Bangor · All trades in Bangor · Builders across the UK
Frequently asked questions
When are Cerrig A Cartref Cyf's accounts due?
Cerrig A Cartref Cyf's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Cerrig A Cartref Cyf's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Cerrig A Cartref Cyf still trading?
Cerrig A Cartref Cyf 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 Cerrig A Cartref Cyf do?
Cerrig A Cartref Cyf is registered under Construction of domestic buildings (SIC 41202).
How old is Cerrig A Cartref Cyf?
Cerrig A Cartref Cyf was incorporated on 6 May 2021, 5 years ago.
What is the penalty if Cerrig A Cartref Cyf 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 Cerrig A Cartref Cyf 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.