- Companies
- Installers
- Dungiven
- Rok Formwork Ltd
Rok Formwork Ltd
- Company number
- NI642790
- Incorporated
- 19 Dec 20169 years trading
- Registered office
- 20 Beech Road, Gortnaghey, Dungiven, Co. Derry, BT47 4QB
- Nature of business
- Other construction installation
Rok Formwork Ltd is a 9-year-old private limited company registered in Dungiven, company number NI642790, one of the UK's installation companies (insulation, lifts, shutters and similar). Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 Rok Formwork LtdOr 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 down £1,320 (-99.9%) on the year before, to £1.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £3,500 against £12K owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £1 | £3,500 | £12K | 1 | |
| 31 Dec 2024 | £1,321 | £113 | £9,021 | 1 | |
| 31 Dec 2023 | £365 | £227 | £12K | 1 | |
| 31 Dec 2022 | £6,630 | £2,366 | £24K | 1 | |
| 31 Dec 2021 | £10K | £2,549 | £20K | 1 | |
| 31 Dec 2020 | £829 | £16K | £9,701 | 1 | |
| 31 Dec 2019 | £949 | £3,229 | £8,757 | 1 | |
| 31 Dec 2018 | £67 | £866 | £3,700 | ||
| 31 Dec 2017 | £1,112 | £4,709 | £5,262 |
Where Rok Formwork Ltd is registered
The registered office is in Dungiven (BT47), in the Causeway Coast and Glens local authority area, Northern Ireland. Show BT47 4QB on a map.
Other trade companies in BT47
- RNK Contracts LimitedGroundworks and demolition
- Den Electrical LtdElectricians
- BDK Consulting LimitedProperty developers
- Oakline Engineering LtdInstallers
- Killew Property Services LimitedFacilities management
- PH Autobody LimitedMechanics and garages
- C Doherty Autos LtdMechanics and garages
- CPMH LtdBuilders
Also registered at this address
1 other company uses the same registered office as Rok Formwork Ltd.
- S O'Kane Formwork LimitedInstallers
What happens if Rok Formwork 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- NI642790
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 December 2016 (9 years ago)
- Registered office
- 20 Beech Road, Gortnaghey, Dungiven, Co. Derry, BT47 4QB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 December 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Dungiven
Other active installation companies (insulation, lifts, shutters and similar) registered in Dungiven.
All installation companies (insulation, lifts, shutters and similar) in Dungiven · All trades in Dungiven · Installers across the UK
Frequently asked questions
When are Rok Formwork Ltd's accounts due?
Rok Formwork Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Rok Formwork Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Rok Formwork Ltd still trading?
Rok Formwork 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 Rok Formwork Ltd do?
Rok Formwork Ltd is registered under Other construction installation (SIC 43290).
How old is Rok Formwork Ltd?
Rok Formwork Ltd was incorporated on 19 December 2016, 9 years ago.
What is the penalty if Rok Formwork 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 Rok Formwork 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.