- Companies
- Property developers
- Omagh
- Old Castle Developments Ltd
Old Castle Developments Ltd
- Company number
- NI623210
- Incorporated
- 4 Mar 201412 years trading
- Registered office
- 40 Greenville Road, Newtownstewart, Omagh, County Tyrone, BT78 4LU
- Nature of business
- Development of building projects
Old Castle Developments Ltd is a 12-year-old private limited company registered in Omagh, company number NI623210, one of 67 property development companies in Omagh. 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.
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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 up £296K (+32.9%) on the year before, to £1.2M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £1.3M against £2.6M owed within a year: 0.5 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 |
|---|---|---|---|---|---|
| 31 May 2025 | £1.2M | £1.3M | £2.6M | 0 | |
| 31 May 2024 | £902K | £224K | £2.3M | 0 | |
| 31 May 2023 | £807K | £312K | £2.4M | 0 | |
| 31 May 2022 | £665K | £367K | £2.1M | 0 | |
| 31 May 2021 | £464K | £302K | £1.7M | 0 | |
| 31 May 2020 | £344K | £453K | £1.8M | 0 | |
| 31 May 2019 | £221K | £319K | £1.5M | ||
| 31 May 2018 | £120K | £72K | £222K | £1.5M | |
| 31 May 2017 | £30K | £9,551 | £98K | £1.2M | |
| 31 May 2016 | £827 | £2,436 | £60K | £475K |
Where Old Castle Developments Ltd is registered
The registered office is in Omagh (BT78), in the Derry City and Strabane local authority area, Northern Ireland. Show BT78 4LU on a map.
Other trade companies in BT78
- Loane Construction LtdBuilders
- Megan Frames NI LtdBuilders
- Creevan Joinery LtdJoiners and carpenters
- Ryan O'Neill Electrical LtdElectricians
- Camderry Contracts LtdJoiners and carpenters
- Cmacrecoverys LimitedMechanics and garages
- North West Building & Plant Hire Contracts LimitedSpecialist contractors
- Old Forge Contracting LimitedInstallers
Also registered at this address
2 other companies use the same registered office as Old Castle Developments Ltd.
- Glenville Developments N.I. LimitedProperty developers
- JMDL LtdProperty developers
What happens if Old Castle 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 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
- NI623210
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2014 (12 years ago)
- Registered office
- 40 Greenville Road, Newtownstewart, Omagh, County Tyrone, BT78 4LU
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 16 March 2026
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 Omagh
Other active property development companies registered in Omagh.
- Oxtown Developments Ltd2025
- Parkdenton Limited2006
- Pegala Limited2017
- Provincial Construction Services Ltd2025
- Provincial Developments & Services Ltd2004
- R.J.S. Developments Limited1999
- Resfi Limited2025
- Rymat Ltd2017
All property development companies in Omagh · All trades in Omagh · Property developers across the UK
Frequently asked questions
When are Old Castle Developments Ltd's accounts due?
Old Castle Developments Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Old Castle Developments Ltd'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 Old Castle Developments Ltd still trading?
Old Castle 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 Old Castle Developments Ltd do?
Old Castle Developments Ltd is registered under Development of building projects (SIC 41100).
How old is Old Castle Developments Ltd?
Old Castle Developments Ltd was incorporated on 4 March 2014, 12 years ago.
What is the penalty if Old Castle 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 Old Castle 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.