- Companies
- Property developers
- Blackwood
- Grankoak Developments Ltd
Grankoak Developments Ltd
- Company number
- 17057386
- Incorporated
- 26 Feb 2026
- Registered office
- 6 Heath Road, Pontllanfraith, Blackwood, NP12 2PB
- Nature of business
- Development of building projects
Grankoak Developments Ltd is a newly incorporated private limited company registered in Blackwood, company number 17057386, one of 22 property development companies in Blackwood. Its next accounts are due at Companies House on 26 November 2027, and its first CT600 is due at HMRC on 25 February 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Grankoak Developments Ltd is registered
The registered office is in Blackwood (NP12), in the Caerphilly local authority area, Wales. Show NP12 2PB on a map.
Other trade companies in NP12
- Hohm Property Group LtdProperty developers
- R&C Mechanics LimitedMechanics and garages
- M & R Property Solutions (SW) LimitedFinishing trades
- JLH Scaffolding LtdScaffolders
- SM Contracting SW LtdBuilders
- Top Notch Carpentry Services LimitedInstallers
- Cardiff Bathrooms LtdFinishing trades
- CB Brickwork & Building LtdSpecialist contractors
Also registered at this address
1 other company uses the same registered office as Grankoak Developments Ltd.
- Hammer Core LtdInstallers
What happens if Grankoak Developments 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 26 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Nov 2027 to 26 Dec 2027 | £150 |
| 1 to 3 months late | 27 Dec 2027 to 26 Feb 2028 | £375 |
| 3 to 6 months late | 27 Feb 2028 to 26 May 2028 | £750 |
| More than 6 months late | From 27 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 17057386
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 February 2026
- Registered office
- 6 Heath Road, Pontllanfraith, Blackwood, NP12 2PB
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Blackwood
Other active property development companies registered in Blackwood.
- Haulfryn Developments Ltd2016
- Hohm Property Group Ltd2026
- Howses Limited2002
- Insight Contracting Ltd2020
- JD Carpentry SW Ltd2025
- Kijon Developments Limited2004
- Luke Briggs Building & Roofing Contractor Limited2020
- Micahjproperties Ltd2025
All property development companies in Blackwood · All trades in Blackwood · Property developers across the UK
Frequently asked questions
When are Grankoak Developments Ltd's accounts due?
Grankoak Developments Ltd's next accounts are due at Companies House by 26 November 2027 (in 410 days), covering the period to 28 February 2027.
When is Grankoak Developments Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 25 February 2027, due by 25 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Grankoak Developments Ltd still trading?
Grankoak Developments 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 Grankoak Developments Ltd do?
Grankoak Developments Ltd is registered under Development of building projects (SIC 41100).
How old is Grankoak Developments Ltd?
Grankoak Developments Ltd was incorporated on 26 February 2026, less than a year ago.
What is the penalty if Grankoak Developments 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 Grankoak Developments 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.