- Companies
- Plumbers and heating engineers
- Watford
- Aps Mechanical Services Limited
Aps Mechanical Services Limited
- Company number
- 02961212
- Incorporated
- 23 Aug 199432 years trading
- Registered office
- Derwent House 179 Hempstead Road, Watford, Hertfordshire, WD17 3HG
- Nature of business
- Plumbing, heat and air-conditioning installation
Aps Mechanical Services Limited is a 32-year-old private limited company registered in Watford, company number 02961212, one of 124 plumbing and heating companies in Watford. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 Aps Mechanical Services LimitedOr 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.
Where Aps Mechanical Services Limited is registered
The registered office is in Watford (WD17), in the Watford local authority area, East of England. Show WD17 3HG on a map.
Other trade companies in WD17
- Ramauto LimitedMotor traders
- A1 Motors Watford LtdMechanics and garages
- Kola Brickwork LtdInstallers
- Appleby's Mechanical Services LtdPlumbers and heating engineers
- Kpu Services LtdProperty developers
- Highmark Investments LtdBuilders
- Boriama Private Office LimitedCleaning companies
- Oldsy Install LtdInstallers
What happens if Aps 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 02961212
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 August 1994 (32 years ago)
- Registered office
- Derwent House 179 Hempstead Road, Watford, Hertfordshire, WD17 3HG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 18 January 2026
- Charges (mortgages)
- 2 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 Watford
Other active plumbing and heating companies registered in Watford.
- Aquamod Ltd2018
- As Plumbing Ltd2015
- Astec Construction Ltd2010
- Atherstone Air Conditioning Limited2026
- Atlan Engineering Ltd2026
- Baker Plumbing and Heating Ltd2021
- BB Plumbing & Heating Services Ltd2017
- BBH Plumbing & Heating Ltd2017
All plumbing and heating companies in Watford · All trades in Watford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Aps Mechanical Services Limited's accounts due?
Aps Mechanical Services Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Aps Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Aps Mechanical Services Limited still trading?
Aps 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 Aps Mechanical Services Limited do?
Aps Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Aps Mechanical Services Limited?
Aps Mechanical Services Limited was incorporated on 23 August 1994, 32 years ago.
What is the penalty if Aps 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 Aps 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.