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- Spec Mechanical Services Ltd
Company profile · Plumbers and heating engineers
Spec Mechanical Services Ltd
Spec Mechanical Services Ltd is a newly incorporated private limited company registered in Fareham, company number 17409437, one of 119 plumbing and heating companies in Fareham. Its next accounts are due at Companies House on 19 May 2028, and its first CT600 is due at HMRC on 18 August 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Spec Mechanical Services Ltd is registered
The registered office is in Fareham (PO16), in the Fareham local authority area, South East. Show PO16 0EN on a map.
Other trade companies in PO16
- Telos Contracts LtdFinishing trades
- Grappuch LimitedFinishing trades
- Cis UK Solutions LtdElectricians
- Pato Construction Group LtdBuilders
- JMS Utilities LimitedCivil engineering
- C Hill Property Maintenance LtdFinishing trades
- BJM Fencing & Landscaping LtdSpecialist contractors
- Baltic Scaffolding LtdScaffolders
Shared registered office
204 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Spec Mechanical Services 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 19 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 May 2028 to 19 Jun 2028 | £150 |
| 1 to 3 months late | 20 Jun 2028 to 19 Aug 2028 | £375 |
| 3 to 6 months late | 20 Aug 2028 to 19 Nov 2028 | £750 |
| More than 6 months late | From 20 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17409437
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2026
- Registered office
- 203 West Street, Fareham, Hampshire, PO16 0EN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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 Fareham
Other active plumbing and heating companies registered in Fareham.
- Street Gas Ltd2021
- Stubbington Plumbing and Heating Ltd2017
- Taylormade Gas Ltd2021
- THBP Ltd2023
- The Chillerman Ltd2018
- Top Gas Contractors Limited2025
- Vanguard Mechanical Ltd2026
- VTD Plumbing & Heating Services Ltd2009
All plumbing and heating companies in Fareham · All trades in Fareham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Spec Mechanical Services Ltd's accounts due?
Spec Mechanical Services Ltd's next accounts are due at Companies House by 19 May 2028 (in 585 days), covering the period to 31 August 2027.
When is Spec Mechanical Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 August 2027, due by 18 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Spec Mechanical Services Ltd still trading?
Spec Mechanical Services 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 Spec Mechanical Services Ltd do?
Spec Mechanical Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Spec Mechanical Services Ltd?
Spec Mechanical Services Ltd was incorporated on 19 August 2026, less than a year ago.
What is the penalty if Spec Mechanical Services 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 Spec Mechanical Services 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.