- Companies
- Plumbers and heating engineers
- Nottingham
- Portman Air Conditioning Holdco Limited
Portman Air Conditioning Holdco Limited
- Company number
- 16331386
- Incorporated
- 20 Mar 20251 year trading
- Registered office
- Unit 1 County Business Park, Clarke Road, Nottingham, Nottinghamshire, NG2 3JJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Portman Air Conditioning Holdco Limited is a 1-year-old private limited company registered in Nottingham, company number 16331386, one of 310 plumbing and heating companies in Nottingham. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Where Portman Air Conditioning Holdco Limited is registered
The registered office is in Nottingham (NG2), in the Nottingham local authority area, East Midlands. Show NG2 3JJ on a map.
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- Greenbook Construction LtdFinishing trades
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- R2G Autocentre LimitedMechanics and garages
- As Elite Cleaning Services LimitedCleaning companies
- Aj Ancillary Services LtdCleaning companies
What happens if Portman Air Conditioning Holdco 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16331386
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2025 (1 year ago)
- Registered office
- Unit 1 County Business Park, Clarke Road, Nottingham, Nottinghamshire, NG2 3JJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 19 March 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 Nottingham
Other active plumbing and heating companies registered in Nottingham.
- Precision Plumbing and Heating Engineers Ltd2015
- Premier Mechanical Holdings Ltd2024
- Primeflow Plumbing & Drainage Ltd2025
- Progas Heating & Plumbing Services Ltd2026
- Project Bathroom Ltd2023
- Pump N Pound Ltd2020
- Pump Serve Ltd2025
- Qubic Gas & Heating Ltd2025
All plumbing and heating companies in Nottingham · All trades in Nottingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Portman Air Conditioning Holdco Limited's accounts due?
Portman Air Conditioning Holdco Limited's next accounts are due at Companies House by 31 May 2027 (in 229 days), covering the period to 31 August 2026.
When is Portman Air Conditioning Holdco Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Portman Air Conditioning Holdco Limited still trading?
Portman Air Conditioning Holdco 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 Portman Air Conditioning Holdco Limited do?
Portman Air Conditioning Holdco Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Portman Air Conditioning Holdco Limited?
Portman Air Conditioning Holdco Limited was incorporated on 20 March 2025, 1 year ago.
What is the penalty if Portman Air Conditioning Holdco 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 Portman Air Conditioning Holdco 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.