- Companies
- Plumbers and heating engineers
- Dungannon
- HTC Mechanical Services Limited
HTC Mechanical Services Limited
- Company number
- NI066948
- Incorporated
- 5 Nov 200718 years trading
- Registered office
- 1 Annaghmore Road, Coalisland, Dungannon, County Tyrone, BT71 4QZ
- Nature of business
- Plumbing, heat and air-conditioning installation
HTC Mechanical Services Limited is a 18-year-old private limited company registered in Dungannon, company number NI066948, one of 30 plumbing and heating companies in Dungannon. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £168K (+12%) on the year before, to £1.6M.
- Net assets rose in 8 of 8 year-on-year comparisons on record.
- 25 employees on average, down from 29 the year before.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £1.6M | £1.9M | 25 | ||
| 31 Dec 2024 | £1.4M | £2.1M | £1.4M | 29 | |
| 31 Dec 2023 | £1.2M | £2.9M | £2.3M | 29 | |
| 31 Dec 2022 | £1000K | £326K | £3.7M | £3M | 29 |
| 31 Dec 2021 | £830K | £75K | £2M | £1.4M | 27 |
| 31 Dec 2020 | £678K | £357K | £1.4M | £981K | 27 |
| 31 Dec 2019 | £457K | £228K | £690K | £369K | 23 |
| 31 Dec 2018 | £427K | £392K | £1.1M | £862K | 27 |
| 31 Dec 2017 | £397K | £341K | £608K | £384K | 23 |
| 31 Dec 2015 | £407K | £780K | £863K | £601K |
Where HTC Mechanical Services Limited is registered
The registered office is in Dungannon (BT71), in the Mid Ulster local authority area, Northern Ireland. Show BT71 4QZ on a map.
Other trade companies in BT71
- Fab Blast NI LtdSpecialist contractors
- Coleman Surfacing LtdCivil engineering
- GLS Contracts LtdBuilders
- JP Cleaning Specialists LtdRoofers
- Roadline Automotive LtdMotor traders
- Glasstech Windscreens Irl LtdMechanics and garages
- CT Vehicle Services LtdMechanics and garages
- House of Automotive LtdMotor traders
Also registered at this address
1 other company uses the same registered office as HTC Mechanical Services Limited.
- Jamm Utilities LtdPlumbers and heating engineers
What happens if HTC Mechanical Services 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- NI066948
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 November 2007 (18 years ago)
- Registered office
- 1 Annaghmore Road, Coalisland, Dungannon, County Tyrone, BT71 4QZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 5 November 2025
- Charges (mortgages)
- 1 outstanding of 2 registered
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 Dungannon
Other active plumbing and heating companies registered in Dungannon.
- Im McCluskey Ltd2003
- Jamm Utilities Ltd2012
- JBL Heating & Plumbing Ltd2024
- Joe Weir Engineering Ltd2007
- Kelly Mechanical Services (NI) Ltd2020
- Loughshore Plumbing & Electrical Ltd2011
- MC Ginn Mechanical Ltd2025
- MCC Mechanical Services Ltd2015
All plumbing and heating companies in Dungannon · All trades in Dungannon · Plumbers and heating engineers across the UK
Frequently asked questions
When are HTC Mechanical Services Limited's accounts due?
HTC Mechanical Services Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is HTC Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is HTC Mechanical Services Limited still trading?
HTC Mechanical Services 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 HTC Mechanical Services Limited do?
HTC Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is HTC Mechanical Services Limited?
HTC Mechanical Services Limited was incorporated on 5 November 2007, 18 years ago.
What is the penalty if HTC Mechanical Services 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 HTC Mechanical Services 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.