- Companies
- Finishing trades
- Derry
- Passive House NI Limited
Passive House NI Limited
- Company number
- NI624005
- Incorporated
- 9 Apr 201412 years trading
- Registered office
- 8A Rosemount Avenue, Derry, Co Londonderry, BT48 0HN
- Nature of business
- Other building completion and finishing
Passive House NI Limited is a 12-year-old private limited company registered in Derry, company number NI624005, one of 7 building finishing companies in Derry. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £16K (-39.3%) on the year before, to £24K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £48K against £32K owed within a year: 1.5 times cover.
- 1 employee 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 Aug 2025 | £24K | £48K | £32K | 1 | |
| 31 Aug 2024 | £40K | £67K | £30K | 1 | |
| 31 Aug 2023 | £59K | £84K | £30K | 1 | |
| 31 Aug 2022 | £66K | £102K | £41K | 1 | |
| 31 Aug 2021 | £27K | £41K | £17K | 1 | |
| 31 Aug 2020 | £4,375 | £3,178 | £2,310 | 1 | |
| 31 Aug 2019 | £12K | £11K | £2,460 | ||
| 31 Aug 2018 | £13K | £11K | £1,727 | ||
| 31 Aug 2017 | £12K | £8,402 | £1,854 | ||
| 31 Aug 2016 | £12K | £25K | £30K | £25K |
Where Passive House NI Limited is registered
The registered office is in Derry (BT48), in the Derry City and Strabane local authority area, Northern Ireland. Show BT48 0HN on a map.
Other trade companies in BT48
- Neat & Nurtured Vics Cleaning LimitedCleaning companies
- Ked Brick & Blockwork LtdBuilders
- Zapcars LtdMotor traders
- TMC Electrics LtdElectricians
- Northern Diesels LtdMotor traders
- Coyle Reclamation & Salvage LtdSpecialist contractors
- George MCG Mechanical LtdElectricians
- KK Electrical Solutions Ireland LimitedElectricians
What happens if Passive House NI 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- NI624005
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 April 2014 (12 years ago)
- Registered office
- 8A Rosemount Avenue, Derry, Co Londonderry, BT48 0HN
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 9 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Derry
Other active building finishing companies registered in Derry.
- PH Fireplaces & Granite Limited2017
- Tuohy Construction Ltd2007
- Hawthorn Heights Ltd2007
- Joseph Porter Brickwork Ltd2015
- McNamee Construction Services Ltd2014
- Mouldings Direct Derry Limited2020
All building finishing companies in Derry · All trades in Derry · Finishing trades across the UK
Frequently asked questions
When are Passive House NI Limited's accounts due?
Passive House NI Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Passive House NI Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Passive House NI Limited still trading?
Passive House NI 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 Passive House NI Limited do?
Passive House NI Limited is registered under Other building completion and finishing (SIC 43390).
How old is Passive House NI Limited?
Passive House NI Limited was incorporated on 9 April 2014, 12 years ago.
What is the penalty if Passive House NI 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 Passive House NI 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.