- Companies
- Plumbers and heating engineers
- Reading
- Extreme Vent Limited
Extreme Vent Limited
- Company number
- 11204208
- Incorporated
- 13 Feb 20188 years trading
- Registered office
- 10 Farmstead Avenue, Theale, Reading, RG7 5GF
- Nature of business
- Plumbing, heat and air-conditioning installation
Extreme Vent Limited is a 8-year-old private limited company registered in Reading, company number 11204208, one of 221 plumbing and heating companies in Reading. Its next accounts are due at Companies House on 26 November 2026, and the CT600 for the period to 26 February 2026 is due at HMRC on 26 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Extreme Vent Limited is registered
The registered office is in Reading (RG7), in the West Berkshire local authority area, South East. Show RG7 5GF on a map.
Other trade companies in RG7
- Serenity Park Homes LtdMotor traders
- J Stroud Agricultural LtdProperty developers
- Just Henry Services LtdSpecialist contractors
- The Bugfather LtdCleaning companies
- D Ray Roofing LtdRoofers
- CMK26 LimitedMotor traders
- Solstice Environments LtdPlumbers and heating engineers
- Heston Energy Solutions LimitedElectricians
What happens if Extreme Vent 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 26 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Nov 2026 to 26 Dec 2026 | £150 |
| 1 to 3 months late | 27 Dec 2026 to 26 Feb 2027 | £375 |
| 3 to 6 months late | 27 Feb 2027 to 26 May 2027 | £750 |
| More than 6 months late | From 27 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Feb 2027 | £200 |
| 3 months late | 26 May 2027 | another £200 |
| 6 months late | 26 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 Feb 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
- 11204208
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2018 (8 years ago)
- Registered office
- 10 Farmstead Avenue, Theale, Reading, RG7 5GF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 26 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 12 February 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 Reading
Other active plumbing and heating companies registered in Reading.
- First Call Heating & Plumbing Solutions Ltd2022
- Fletcher Family Ltd2025
- Foleys Property Services Limited2015
- Fullscope Fix Ltd2025
- G & J Plumbing Limited2011
- Gas & Plumbing Gurus Ltd2024
- Gas Solutions (Thames Valley) Limited2008
- Gascom Limited2013
All plumbing and heating companies in Reading · All trades in Reading · Plumbers and heating engineers across the UK
Frequently asked questions
When are Extreme Vent Limited's accounts due?
Extreme Vent Limited's next accounts are due at Companies House by 26 November 2026 (in 44 days), covering the period to 26 February 2026.
When is Extreme Vent Limited's CT600 due?
The CT600 for the period to 26 February 2026 is due at HMRC by 26 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 27 November 2026.
Is Extreme Vent Limited still trading?
Extreme Vent 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 Extreme Vent Limited do?
Extreme Vent Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Extreme Vent Limited?
Extreme Vent Limited was incorporated on 13 February 2018, 8 years ago.
What is the penalty if Extreme Vent 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 Extreme Vent 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.