- Companies
- Plumbers and heating engineers
- Belfast
- Indevair Ltd
Indevair Ltd
- Company number
- NI637567
- Incorporated
- 5 Apr 201610 years trading
- Registered office
- 17 Clarendon Road, Clarendon Dock, Belfast, BT1 3BG
- Nature of business
- Plumbing, heat and air-conditioning installation
Indevair Ltd is a 10-year-old private limited company registered in Belfast, company number NI637567, one of 99 plumbing and heating companies in Belfast. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £4,531 (-1.3%) on the year before, to £344K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £373K against £50K owed within a year: 7.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £344K | £236K | £373K | £50K | 1 |
| 30 Sep 2024 | £348K | £146K | £388K | £63K | 1 |
| 30 Sep 2023 | £343K | £187K | £386K | £78K | 1 |
| 30 Sep 2022 | £206K | £87K | £229K | £71K | 2 |
| 30 Sep 2021 | £159K | £125K | £238K | £120K | 1 |
| 30 Sep 2020 | £123K | £161K | £195K | £92K | 2 |
| 30 Sep 2019 | £7,288 | £131K | £144K | £151K | 2 |
| 30 Sep 2018 | £70K | £106K | £175K | £109K | 1 |
| 30 Sep 2017 | £34K | £119K | £138K | £110K | 3 |
Where Indevair Ltd is registered
The registered office is in Belfast (BT1), in the Belfast local authority area, Northern Ireland. Show BT1 3BG on a map.
Other trade companies in BT1
- Atlas Property and Holdings LtdProperty developers
- Geohac LimitedGroundworks and demolition
- XM Vehicle Solutions LimitedMotor traders
- Shine Renewables NI LimitedElectricians
- The Rathstone Group LtdCleaning companies
- Chenyukeji LtdMotor traders
- Linnexttech Shop LtdMotor traders
- Techright Environmental Ireland LtdCleaning companies
Also registered at this address
19 other companies use the same registered office as Indevair Ltd.
- Ballystrew Properties LtdProperty developers
- Bastide Ventures LtdProperty developers
- Camana Consulting LimitedSpecialist contractors
- D. & D. Flooring LimitedFloor and wall tilers
- Dof Developments LtdProperty developers
- Grass Machinery NI LimitedMachinery repair and installation
- Haley Vehicle Movements LtdMotor traders
- K Contracts LimitedMachinery repair and installation
- Larne Coachworks LimitedMechanics and garages
- Lofty Property Investments LtdProperty developers
- M H Motors LimitedMotor traders
- Razorback Properties LtdProperty developers
- Ringsend LimitedProperty developers
- Six-West LtdFinishing trades
- Sona Homes LtdProperty developers
- Sunswift Enterprises LimitedProperty developers
- Thornleigh D LtdBuilders
- TMR Electrical LimitedElectricians
- Tonnagh Beg Group LtdCivil engineering
What happens if Indevair 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- NI637567
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 April 2016 (10 years ago)
- Registered office
- 17 Clarendon Road, Clarendon Dock, Belfast, BT1 3BG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 23 May 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Belfast
Other active plumbing and heating companies registered in Belfast.
- J3R Properties Ltd2026
- John J. Doyle Limited1964
- Jones Gas Services Limited2019
- Kelly Heating Services Ltd2022
- M C Plumbing & Heating N.I. Ltd2025
- M N Erectors Ltd2019
- Macam Group Ltd2025
- Markram Limited2005
All plumbing and heating companies in Belfast · All trades in Belfast · Plumbers and heating engineers across the UK
Frequently asked questions
When are Indevair Ltd's accounts due?
Indevair Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Indevair Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Indevair Ltd still trading?
Indevair 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 Indevair Ltd do?
Indevair Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Indevair Ltd?
Indevair Ltd was incorporated on 5 April 2016, 10 years ago.
What is the penalty if Indevair 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 Indevair 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.