- Companies
- Plumbers and heating engineers
- Downpatrick
- Af Mechanical Ltd
Af Mechanical Ltd
- Company number
- NI679556
- Incorporated
- 25 May 20215 years trading
- Registered office
- 96A Commons Road, Ballykinler, Downpatrick, Co Down, BT30 8DG
- Nature of business
- Plumbing, heat and air-conditioning installation
Af Mechanical Ltd is a 5-year-old private limited company registered in Downpatrick, company number NI679556, one of 12 plumbing and heating companies in Downpatrick. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Af Mechanical LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £57K (+21.9%) on the year before, to £316K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £345K against £44K owed within a year: 7.9 times cover.
- 3 employees 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 May 2025 | £316K | £254K | £345K | £44K | 3 |
| 31 May 2024 | £259K | £118K | £329K | £79K | 3 |
| 31 May 2023 | £135K | £64K | £160K | £37K | 1 |
| 31 May 2022 | £55K | £29K | £79K | £24K | 2 |
Where Af Mechanical Ltd is registered
The registered office is in Downpatrick (BT30), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT30 8DG on a map.
Other trade companies in BT30
- Ajc GRP LtdElectricians
- S J B Painting LtdPainters and decorators
- Corinas Cleaning LtdCleaning companies
- I P Recovery LimitedMechanics and garages
- Loughview Trading Co LimitedInstallers
- Titan Fabric and Surface LtdCleaning companies
- MCC&R LtdProperty developers
- Willow Cove Contracts LtdGroundworks and demolition
What happens if Af Mechanical 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- NI679556
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 May 2021 (5 years ago)
- Registered office
- 96A Commons Road, Ballykinler, Downpatrick, Co Down, BT30 8DG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 24 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 Downpatrick
Other active plumbing and heating companies registered in Downpatrick.
- Aqualux Ireland Ltd2026
- Bright Mechanical Ltd2026
- DPH Plumbing & Heating Ltd2025
- Flynn Mechanical Services Ltd2015
- GP Heating & Gas Services Limited2023
- Hud Mechanical Ltd2023
- MJK Plumbing Services Ltd2013
- Mop Mechanical Limited2025
All plumbing and heating companies in Downpatrick · All trades in Downpatrick · Plumbers and heating engineers across the UK
Frequently asked questions
When are Af Mechanical Ltd's accounts due?
Af Mechanical Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Af Mechanical Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Af Mechanical Ltd still trading?
Af Mechanical 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 Af Mechanical Ltd do?
Af Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Af Mechanical Ltd?
Af Mechanical Ltd was incorporated on 25 May 2021, 5 years ago.
What is the penalty if Af Mechanical 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 Af Mechanical 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.