- Companies
- Plumbers and heating engineers
- Hebburn
- Turnkey Air Conditioning Limited
Turnkey Air Conditioning Limited
- Company number
- 03688317
- Incorporated
- 24 Dec 199827 years trading
- Registered office
- Ground Floor 2 Apollo Court, Koppers Way Monkton Business Park South, Hebburn, Tyne And Wear, NE31 2ES
- Nature of business
- Plumbing, heat and air-conditioning installation
Turnkey Air Conditioning Limited is a 27-year-old private limited company registered in Hebburn, company number 03688317, one of 13 plumbing and heating companies in Hebburn. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £6,120 (+1.5%) on the year before, to £409K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £7.1M against £6.7M owed within a year: 1.1 times cover.
- 29 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £409K | £1M | £7.1M | £6.7M | 29 |
| 31 Jan 2025 | £403K | £948K | £3.8M | £3.4M | 29 |
| 31 Jan 2024 | £403K | £799K | £4.1M | £3.8M | 25 |
| 31 Jan 2023 | £459K | £1.7M | £5.4M | £4.9M | 27 |
| 31 Jan 2022 | £457K | £532K | £3.4M | £3M | 27 |
| 31 Jan 2021 | £499K | £547K | £2.5M | £2M | 26 |
| 31 Jan 2020 | £497K | £446K | £2.2M | £1.7M | 29 |
| 31 Jan 2019 | £108K | £355K | £3.3M | £3.2M | 27 |
| 31 Jan 2018 | £108K | £573K | £2.3M | £2.2M | |
| 31 Jan 2017 | £443K |
Where Turnkey Air Conditioning Limited is registered
The registered office is in Hebburn (NE31), in the South Tyneside local authority area, North East. Show NE31 2ES on a map.
Other trade companies in NE31
- Milburns Roofing & Cladding LtdRoofers
- Mains Rope and Rescue LtdCleaning companies
- Girls Just Clean and Have Fun LtdCleaning companies
- Sinclair Building Solutions LtdBuilders
- Sean Bowman Services LtdBuilders
- C Camps Heating Services LimitedPlumbers and heating engineers
- Apollo Regeneration Partnership LimitedProperty developers
- Castle (Ne) Homes LimitedBuilders
What happens if Turnkey 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 03688317
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 December 1998 (27 years ago)
- Registered office
- Ground Floor 2 Apollo Court, Koppers Way Monkton Business Park South, Hebburn, Tyne And Wear, NE31 2ES
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 12 July 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 Hebburn
Other active plumbing and heating companies registered in Hebburn.
- Willumsen Gas Heating & Boiler Solutions Ltd2025
- Amac (Ne) Ltd2024
- Andrew Hastie Plumbing Limited2006
- C Camps Heating Services Limited2026
- Chrisdaline Ltd2007
- Classic Plumbing and Heating Ltd2017
- Eco Plumbing (Ne) Limited2026
- Engineered Air Ltd2024
All plumbing and heating companies in Hebburn · All trades in Hebburn · Plumbers and heating engineers across the UK
Frequently asked questions
When are Turnkey Air Conditioning Limited's accounts due?
Turnkey Air Conditioning Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Turnkey Air Conditioning Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Turnkey Air Conditioning Limited still trading?
Turnkey 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 Turnkey Air Conditioning Limited do?
Turnkey Air Conditioning Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Turnkey Air Conditioning Limited?
Turnkey Air Conditioning Limited was incorporated on 24 December 1998, 27 years ago.
What is the penalty if Turnkey 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 Turnkey 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.