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Company profile · Builders
M3 Developments Limited
M3 Developments Limited is a 11-year-old private limited company registered in Newtownards, company number NI631833, one of 52 building contractors in Newtownards. 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.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
M3 Developments Limited over the years
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 £129K (+18.8%) on the year before, to £815K.
- Net assets rose in 5 of 5 year-on-year comparisons on record.
- Current assets of £900K against £192K owed within a year: 4.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £815K | £471K | £900K | £192K | 0 |
| 31 Dec 2024 | £686K | £29K | £693K | £98K | 0 |
| 31 Dec 2023 | £571K | £113K | £599K | £115K | 0 |
| 31 Dec 2022 | £468K | £60K | £504K | £114K | 0 |
| 31 Dec 2021 | £302K | £75K | £786K | £367K | 0 |
| 31 Dec 2020 | £231K | £17K | £1M | £915K |
Where M3 Developments Limited is registered
The registered office is in Newtownards (BT23), in the Ards and North Down local authority area, Northern Ireland. Show BT23 4YH on a map.
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Also registered at this address
2 other companies use the same registered office as M3 Developments Limited.
- Barnside Properties LimitedProperty developers
- Jemphrey Developments LimitedProperty developers
What happens if M3 Developments Limited 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
- NI631833
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 June 2015 (11 years ago)
- Registered office
- 11 Jubilee Road, Newtownards, Down, BT23 4YH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 10 June 2026
- Charges (mortgages)
- 5 outstanding of 6 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 Newtownards
Other active building contractors registered in Newtownards.
- Marlfield Joinery & Construction Ltd2013
- Mawhinney Maintenance & Building Ltd2026
- McCarthy Developments (Portaferry) Ltd.2014
- McCarthy Homes (Portaferry) Ltd.2017
- Nordstead Property Group Limited2026
- North Down Construction Limited1964
- Northern Land Group NI Ltd2015
- O Denvir Construction Ltd2018
All building contractors in Newtownards · All trades in Newtownards · Builders across the UK
Frequently asked questions
When are M3 Developments Limited's accounts due?
M3 Developments Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is M3 Developments Limited'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 M3 Developments Limited still trading?
M3 Developments Limited 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 M3 Developments Limited do?
M3 Developments Limited is registered under Construction of domestic buildings (SIC 41202).
How old is M3 Developments Limited?
M3 Developments Limited was incorporated on 10 June 2015, 11 years ago.
What is the penalty if M3 Developments Limited 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 M3 Developments Limited 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.