- Company number
- NI015735
- Incorporated
- 20 Apr 198244 years trading
- Registered office
- 6 Balloo Court, Bangor, BT19 7AT
- Nature of business
- Construction of domestic buildings
MMM Design & Build Limited is a 44-year-old private limited company registered in Bangor, company number NI015735, one of 75 building contractors in Bangor. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 down £84K (-29.6%) on the year before, to £200K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £300K against £186K owed within a year: 1.6 times cover.
- 9 employees on average during the year.
- 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 Oct 2025 | £200K | £153K | £300K | £186K | 9 |
| 31 Oct 2024 | £285K | £197K | £419K | £219K | 9 |
| 31 Oct 2023 | £296K | £404K | £188K | 9 | |
| 31 Oct 2022 | £270K | £483K | £297K | 9 | |
| 31 Oct 2021 | £413K | £621K | £838K | £514K | 9 |
| 31 Oct 2020 | £386K | £370K | £526K | £242K | 9 |
| 31 Oct 2019 | £569K | £167K | £735K | £289K | 9 |
| 31 Oct 2018 | £554K | £49K | £765K | £349K | 9 |
| 31 Oct 2017 | £573K | £24K | £950K | £542K | 9 |
| 31 Oct 2016 | £526K | £19K | £1M | £527K |
Where MMM Design & Build Limited is registered
The registered office is in Bangor (BT19), in the Ards and North Down local authority area, Northern Ireland. Show BT19 7AT on a map.
Other trade companies in BT19
- Snowfoam LtdCleaning companies
- Collins Mep UK LtdElectricians
- KS Roofing & Property Maintenance LtdRoofers
- JMS Coach Hill Motors LtdMotor traders
- MRS Mop Cleaning Services LtdCleaning companies
- 2Jzgte LtdMotor traders
- JP Security & Electrical LtdElectricians
- GLS Property Care LtdFinishing trades
Also registered at this address
2 other companies use the same registered office as MMM Design & Build Limited.
- MMM Newco LtdProperty developers
- Portsandel LimitedBuilders
What happens if MMM Design & Build 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- NI015735
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 April 1982 (44 years ago)
- Registered office
- 6 Balloo Court, Bangor, BT19 7AT
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 5 September 2026
- Charges (mortgages)
- 0 outstanding of 4 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 Bangor
Other active building contractors registered in Bangor.
- Nickell & Richmond Ltd2015
- P Banham Building Contractor Ltd.2007
- P M Williams & Son Ltd2026
- PH Brickwork and Groundworks Limited2023
- Portsandel Limited2004
- R J Williams Building Contractor Ltd2019
- R&M Homes N.I. Ltd2017
- Radaconstruct86 Limited2026
All building contractors in Bangor · All trades in Bangor · Builders across the UK
Frequently asked questions
When are MMM Design & Build Limited's accounts due?
MMM Design & Build Limited's next accounts are due at Companies House by 31 July 2027 (in 290 days), covering the period to 31 October 2026.
When is MMM Design & Build Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is MMM Design & Build Limited still trading?
MMM Design & Build 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 MMM Design & Build Limited do?
MMM Design & Build Limited is registered under Construction of domestic buildings (SIC 41202).
How old is MMM Design & Build Limited?
MMM Design & Build Limited was incorporated on 20 April 1982, 44 years ago.
What is the penalty if MMM Design & Build 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 MMM Design & Build 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.