- Companies
- Electricians
- Belfast
- Gas Detection Ltd
Gas Detection Ltd
- Company number
- NI671114
- Incorporated
- 20 Jul 20206 years trading
- Registered office
- c/o Feb Chartered Accountants, Linenhall Exchange, 1ST Floor, 26 Linenhall Street, Belfast, BT2 8BG
- Nature of business
- Electrical installation
Gas Detection Ltd is a 6-year-old private limited company registered in Belfast, company number NI671114, one of 126 electrical contractors in Belfast. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £24K (+73.7%) on the year before, to £57K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £86K against £29K owed within a year: 2.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £57K | £38K | £86K | £29K | 1 |
| 31 Jul 2024 | £33K | £47K | £189K | £157K | 1 |
| 31 Jul 2023 | £5,762 | £3,924 | £63K | £62K | 1 |
| 31 Jul 2022 | £5,360 | £1,215 | £24K | £25K | 1 |
Where Gas Detection Ltd is registered
The registered office is in Belfast (BT2), in the Belfast local authority area, Northern Ireland. Show BT2 8BG on a map.
Other trade companies in BT2
- Lucem Emitte LimitedProperty developers
- Supacel Technologies LtdMotor traders
- Marko Conroy Painters UK LimitedPainters and decorators
- Rockland Development LimitedProperty developers
- Urbex Developments LtdProperty developers
- Secure State LtdElectricians
- Chic Shines Cleaning LtdCleaning companies
- Joseph Blair (Belfast) LimitedMotor traders
Also registered at this address
16 other companies use the same registered office as Gas Detection Ltd.
- Access Scaffolding Co. (N.I.) LtdScaffolders
- Beam Property Services LimitedFinishing trades
- Castlelea Properties LtdProperty developers
- Creation Homes (N.I.) LimitedBuilders
- Cryotanks LimitedSpecialist contractors
- Eh (No. 4) LimitedProperty developers
- F.M. Stewart & Associates LimitedBuilders
- Farevale Developments LimitedProperty developers
- Hna Developments LimitedProperty developers
- Magherafelt Property Company LimitedProperty developers
- Pakar LimitedProperty developers
- Pipeline Solutions NI LimitedInstallers
- Rodney J Moore Construction Services LtdSpecialist contractors
- Roof Truss Solutions LimitedRoofers
- Ross Grange Developments LimitedProperty developers
- Seepotential LtdProperty developers
What happens if Gas Detection 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- NI671114
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 July 2020 (6 years ago)
- Registered office
- c/o Feb Chartered Accountants, Linenhall Exchange, 1ST Floor, 26 Linenhall Street, Belfast, BT2 8BG
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 19 July 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Belfast
Other active electrical contractors registered in Belfast.
- GDR Electrical Services Limited2024
- GML Electrical Contracts Limited2012
- Grange Edge Limited2024
- Harcon Electrical Limited2015
- Harkcom Services Limited2025
- Herdman Electrical Ltd2026
- Hyland Electrical Services (2025) Ltd2025
- John Noble Electrics Limited2016
All electrical contractors in Belfast · All trades in Belfast · Electricians across the UK
Frequently asked questions
When are Gas Detection Ltd's accounts due?
Gas Detection Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Gas Detection Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Gas Detection Ltd still trading?
Gas Detection 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 Gas Detection Ltd do?
Gas Detection Ltd is registered under Electrical installation (SIC 43210).
How old is Gas Detection Ltd?
Gas Detection Ltd was incorporated on 20 July 2020, 6 years ago.
What is the penalty if Gas Detection 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 Gas Detection 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.