- Companies
- Specialist contractors
- Bangor
- North Down Boilers Limited
North Down Boilers Limited
- Company number
- NI627218
- Incorporated
- 13 Oct 201411 years trading
- Registered office
- Unit4, 16 Balloo Avenue, Bangor, Down, BT19 7QT
- Nature of business
- Other specialised construction activities n.e.c.
North Down Boilers Limited is a 11-year-old private limited company registered in Bangor, company number NI627218, one of 21 specialist construction companies 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 £28K (-28.3%) on the year before, to £70K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £122K against £85K owed within a year: 1.4 times cover.
- 15 employees on average, up from 12 the year before.
- 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 | £70K | £108K | £122K | £85K | 15 |
| 31 Oct 2024 | £98K | £119K | £133K | £66K | 12 |
| 31 Oct 2023 | £54K | £69K | £72K | 11 | |
| 31 Oct 2022 | £42K | £46K | £50K | £24K | 9 |
| 31 Oct 2021 | £62K | £92K | £46K | 6 | |
| 31 Oct 2020 | £50K | £65K | £31K | 2 | |
| 31 Oct 2019 | £19K | £29K | £23K | 2 | |
| 31 Oct 2018 | £4,821 | £9,825 | £7,654 | ||
| 31 Oct 2017 | £1,153 | £5,240 | £7,708 | ||
| 31 Oct 2016 | £389 | £1,987 | £5,487 | £11K |
Where North Down Boilers Limited is registered
The registered office is in Bangor (BT19), in the Ards and North Down local authority area, Northern Ireland. Show BT19 7QT 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
What happens if North Down Boilers 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
- NI627218
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 October 2014 (11 years ago)
- Registered office
- Unit4, 16 Balloo Avenue, Bangor, Down, BT19 7QT
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 22 February 2026
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 Bangor
Other active specialist construction companies registered in Bangor.
- Pco Davies Limited2010
- PQS Quantity Surveyors Limited2012
- Professional Fabrication Services Ltd2009
- Roofguard N I Ltd2023
- Scotia Industrial Abseiling Ltd2020
- Whelan Brickwork Ltd2019
- Achnashean Fencing Limited1999
- Belenos Limited2021
All specialist construction companies in Bangor · All trades in Bangor · Specialist contractors across the UK
Frequently asked questions
When are North Down Boilers Limited's accounts due?
North Down Boilers Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is North Down Boilers 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 North Down Boilers Limited still trading?
North Down Boilers 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 North Down Boilers Limited do?
North Down Boilers Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is North Down Boilers Limited?
North Down Boilers Limited was incorporated on 13 October 2014, 11 years ago.
What is the penalty if North Down Boilers 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 North Down Boilers 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.