- Companies
- Specialist contractors
- Castlewellan
- MJ Oldbridge Developments Ltd
MJ Oldbridge Developments Ltd
- Company number
- NI656618
- Incorporated
- 25 Oct 20187 years trading
- Registered office
- 3 Oldbridge Road, Castlewellan, BT31 9LS
- Nature of business
- Other specialised construction activities n.e.c.; Other letting and operating of own or leased real estate
MJ Oldbridge Developments Ltd is a 7-year-old private limited company registered in Castlewellan, company number NI656618, one of 12 specialist construction companies in Castlewellan. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 £49K on the year before, to £50K.
- Current assets of £231K against £220K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2019 to 2020.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2020 | £50K | £231K | £220K | 0 | |
| 31 Oct 2019 | £100 | £100 | £0 | 0 |
Where MJ Oldbridge Developments Ltd is registered
The registered office is in Castlewellan (BT31), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT31 9LS 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 MJ Oldbridge 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- NI656618
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2018 (7 years ago)
- Registered office
- 3 Oldbridge Road, Castlewellan, BT31 9LS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 30 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Castlewellan
Other active specialist construction companies registered in Castlewellan.
- PD Plant Hire Ltd2017
- R. McCabe Services Ltd2005
- Recon Stone Limited2014
- Rodgers Bros Ltd.2018
- Sawey Formwork Ltd2021
- Cast Build Limited2015
- CB Fire Compliance Limited2026
- CMC Shuttering Ltd2017
All specialist construction companies in Castlewellan · All trades in Castlewellan · Specialist contractors across the UK
Frequently asked questions
When are MJ Oldbridge Developments Ltd's accounts due?
MJ Oldbridge Developments Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is MJ Oldbridge 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 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is MJ Oldbridge Developments Ltd still trading?
MJ Oldbridge 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 MJ Oldbridge Developments Ltd do?
MJ Oldbridge Developments Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other letting and operating of own or leased real estate (SIC 68209).
How old is MJ Oldbridge Developments Ltd?
MJ Oldbridge Developments Ltd was incorporated on 25 October 2018, 7 years ago.
What is the penalty if MJ Oldbridge 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 MJ Oldbridge 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.