- Companies
- Plumbers and heating engineers
- Brentwood
- Connell Air Conditioning Limited
Connell Air Conditioning Limited
- Company number
- 07271934
- Incorporated
- 2 Jun 201016 years trading
- Registered office
- Miranda, First Avenue, Brentwood, Essex, CM15 0HL
- Nature of business
- Plumbing, heat and air-conditioning installation
Connell Air Conditioning Limited is a 16-year-old private limited company registered in Brentwood, company number 07271934, one of 84 plumbing and heating companies in Brentwood. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £132K (-82.4%) on the year before, to £28K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £241K against £115K owed within a year: 2.1 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £28K | £140K | £241K | £115K | 2 |
| 30 Jun 2024 | £160K | £170K | £310K | £103K | 2 |
| 30 Jun 2023 | £377K | £381K | £492K | £224K | 2 |
| 30 Jun 2022 | £352K | £414K | £465K | £285K | 2 |
| 30 Jun 2021 | £375K | £392K | £469K | £327K | 2 |
| 30 Jun 2020 | £387K | £225K | £439K | £97K | 2 |
| 30 Jun 2019 | £281K | £332K | £66K | 2 | |
| 30 Jun 2018 | £222K | £368K | £78K | 2 | |
| 30 Jun 2017 | £148K | £310K | £68K | ||
| 30 Jun 2016 | £112K | £123K | £269K |
Where Connell Air Conditioning Limited is registered
The registered office is in Brentwood (CM15), in the Brentwood local authority area, East of England. Show CM15 0HL on a map.
Other trade companies in CM15
- JJ Freeman Construction LtdGroundworks and demolition
- Sky Loft London LtdFinishing trades
- LDN Systems LtdRoofers
- LDN Traditional Roofing LtdRoofers
- Reactive Roofers LtdRoofers
- K.Fire.Safety LtdElectricians
- Elevation Roofing Group LimitedRoofers
- Krosshatch Creative Concepts LimitedProperty developers
What happens if Connell 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 07271934
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 June 2010 (16 years ago)
- Registered office
- Miranda, First Avenue, Brentwood, Essex, CM15 0HL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 June 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 Brentwood
Other active plumbing and heating companies registered in Brentwood.
- Cool Installs Ltd2011
- CWL Pipework Services Ltd2025
- Dream Bathroom Installations Limited2021
- Echelon Energy Services Ltd2026
- Ecofit Heating Ltd2013
- Elite Heat Essex Ltd2022
- Elite Property & Commercial Services Ltd2026
- Erb Heating Ltd2019
All plumbing and heating companies in Brentwood · All trades in Brentwood · Plumbers and heating engineers across the UK
Frequently asked questions
When are Connell Air Conditioning Limited's accounts due?
Connell Air Conditioning Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Connell Air Conditioning Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Connell Air Conditioning Limited still trading?
Connell 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 Connell Air Conditioning Limited do?
Connell Air Conditioning Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Connell Air Conditioning Limited?
Connell Air Conditioning Limited was incorporated on 2 June 2010, 16 years ago.
What is the penalty if Connell 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 Connell 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.