- Companies
- Plumbers and heating engineers
- Portman Air Conditioning Limited
Portman Air Conditioning Limited
- Company number
- 02332895
- Incorporated
- 6 Jan 198937 years trading
- Registered office
- Unit 1, County Business Park, Clarke Road, Nottingham, NG2 3JJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Portman Air Conditioning Limited is a 37-year-old private limited company registered in Clarke Road, company number 02332895, one of the UK's plumbing and heating companies. 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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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 £132K (+17.6%) on the year before, to £880K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £345K owed within a year: 3.4 times cover.
- 16 employees on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £880K | £138K | £1.2M | £345K | 16 |
| 31 Aug 2024 | £748K | £506K | £806K | £126K | 0 |
| 31 Aug 2023 | £769K | £520K | £895K | £205K | 15 |
| 31 Aug 2022 | £745K | £428K | £853K | £206K | 14 |
| 31 Aug 2021 | £672K | £494K | £771K | £158K | 13 |
| 31 Aug 2020 | £681K | £467K | £832K | £210K | 12 |
| 31 Aug 2019 | £554K | £365K | £634K | £144K | 12 |
| 31 Aug 2018 | £610K | £398K | £743K | £196K | 12 |
| 31 Aug 2017 | £531K | £207K | £712K | £245K | 13 |
| 31 Aug 2016 | £347K | £142K | £454K | £161K |
Public contracts won
Portman Air Conditioning Limited has 4 public sector contract awards on record; the ones with their own published value total £1.1M, from 2016 to 2025. Source: Contracts Finder and Find a Tender award notices. For 2 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Nottingham City Council2 awards
- Scape Group Limited1 award
- Nottinghamshire County Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Nottingham City Council | CPU 4414 Air Handling Plant and Air Conditioning Geothermal Heat Pumps Repairs & Maintenance | £100K | 23 Apr 2025 |
| Nottingham City Council | CPU4070-Air Handling Plant and Air Conditioning Geothermal Heat Pumps R & M | £996K | 25 Aug 2020 |
| Scape Group Limited | Arc067 - Repairs, Servicing & Maintenance (RSM) Framework | Ceiling, not shown | 23 Jun 2020 |
| Nottinghamshire County Council | Repairs and Maintenance Framework for Property | Ceiling, not shown | 26 Jan 2016 |
Where Portman Air Conditioning Limited is registered
The registered office is in Clarke Road (NG2), in the Nottingham local authority area, East Midlands. Show NG2 3JJ on a map.
Other trade companies in NG2
- A J Douglas Developments LimitedProperty developers
- Al Rayan Builder LtdBuilders
- T’S MOT Services LtdMechanics and garages
- Greenbook Construction LtdFinishing trades
- Premium Spraying LtdPainters and decorators
- R2G Autocentre LimitedMechanics and garages
- As Elite Cleaning Services LimitedCleaning companies
- Aj Ancillary Services LtdCleaning companies
What happens if Portman Air Conditioning 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
- 02332895
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 1989 (37 years ago)
- Registered office
- Unit 1, County Business Park, Clarke Road, Nottingham, 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
- 6 January 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
Other active plumbing and heating companies.
Frequently asked questions
When are Portman Air Conditioning Limited's accounts due?
Portman Air Conditioning Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Portman Air Conditioning 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 Limited still trading?
Portman Air Conditioning 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 Limited do?
Portman Air Conditioning Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Portman Air Conditioning Limited?
Portman Air Conditioning Limited was incorporated on 6 January 1989, 37 years ago.
Has Portman Air Conditioning Limited won public sector contracts?
Yes. Portman Air Conditioning Limited has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.1M), most recently from Nottingham City Council.
What is the penalty if Portman Air Conditioning 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 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.