- Companies
- Builders
- Castlewellan
- Go Rock Construction Ltd
Go Rock Construction Ltd
- Company number
- NI059901
- Incorporated
- 26 Jun 200620 years trading
- Registered office
- 31 Leitrim Road, Castlewellan, Co Down, BT31 9BB
- Nature of business
- Construction of commercial buildings
Go Rock Construction Ltd is a 20-year-old private limited company registered in Castlewellan, company number NI059901, one of 29 building contractors in Castlewellan. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 unchanged on the year before, at £110K.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- Current assets of £145K against £36K owed within a year: 4.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Jun 2025 | £110K | £145K | £36K | 0 | |
| 30 Jun 2024 | £110K | £145K | £36K | 0 | |
| 30 Jun 2023 | £110K | £145K | £36K | 0 | |
| 30 Jun 2022 | £110K | £145K | £36K | 0 | |
| 30 Jun 2021 | £110K | £145K | £35K | 0 | |
| 30 Jun 2020 | £110K | £146K | £35K | 0 | |
| 30 Jun 2019 | £110K | £146K | £35K | ||
| 30 Jun 2018 | £110K | £146K | £35K | ||
| 30 Jun 2017 | £110K | £146K | |||
| 30 Jun 2016 | £110K | £146K | £35K |
Where Go Rock Construction Ltd is registered
The registered office is in Castlewellan (BT31), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT31 9BB on a map.
Other trade companies in BT31
- Ogm26 LtdGroundworks and demolition
- Treadline Tyre & Auto Services LtdMechanics and garages
- CB Fire Compliance LimitedSpecialist contractors
- Cea Joinery LtdJoiners and carpenters
- NI.CBR LtdMechanics and garages
- S.D.E Electrical Systems LtdElectricians
- Jam Civils & Utilities LtdGroundworks and demolition
- B McVeigh Mechanical LtdPlumbers and heating engineers
What happens if Go Rock 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- NI059901
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2006 (20 years ago)
- Registered office
- 31 Leitrim Road, Castlewellan, Co Down, BT31 9BB
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 26 June 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Castlewellan
Other active building contractors registered in Castlewellan.
- Golf Sims Ireland Limited2025
- John McCartan Limited2007
- KCD Homes Limited2004
- Kelly New Homes Limited2001
- Laurel Chlorination Ltd2008
- M Quinn Construction Ltd2020
- Maghera Developments Limited2000
- Mark Gallagher Building Ltd2021
All building contractors in Castlewellan · All trades in Castlewellan · Builders across the UK
Frequently asked questions
When are Go Rock Construction Ltd's accounts due?
Go Rock Construction Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Go Rock Construction Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Go Rock Construction Ltd still trading?
Go Rock 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 Go Rock Construction Ltd do?
Go Rock Construction Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Go Rock Construction Ltd?
Go Rock Construction Ltd was incorporated on 26 June 2006, 20 years ago.
What is the penalty if Go Rock 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 Go Rock 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.