- Companies
- Plumbers and heating engineers
- Middleton
- Air Conditioning Design Limited
Air Conditioning Design Limited
- Company number
- 02331935
- Incorporated
- 30 Dec 198837 years trading
- Registered office
- 46-48 Long Street, Middleton, Manchester, M24 6UQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Air Conditioning Design Limited is a 37-year-old private limited company registered in Middleton, company number 02331935, one of 32 plumbing and heating companies in Middleton. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £235K (-43.9%) on the year before, to £300K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £982K against £718K owed within a year: 1.4 times cover.
- 13 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £300K | £73K | £982K | £718K | 13 |
| 31 Dec 2024 | £534K | £147K | £1.3M | £766K | 13 |
| 31 Dec 2023 | £590K | £406K | £824K | £269K | 19 |
| 31 Dec 2022 | £554K | £349K | £1.4M | £888K | 19 |
| 31 Dec 2021 | £635K | £295K | £1.5M | £858K | 15 |
| 31 Dec 2020 | £665K | £731K | £1.3M | £675K | 16 |
| 31 Dec 2019 | £738K | £534K | £1.7M | £986K | 16 |
| 31 Dec 2018 | £470K | £93K | £1.6M | £1.2M | 16 |
| 31 Dec 2017 | £377K | £198K | £1.2M | £848K | 17 |
| 31 Dec 2016 | £421K | £481K | £2.5M | £2.1M | 16 |
Who runs and owns Air Conditioning Design Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| C*** K*** | Director | before May 1992 |
| C*** K*** | Secretary | before May 1992 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** B*** | Director | Oct 1994 | |
| D*** H*** | Director | Jan 2026 |
Person with significant control
Charges (secured borrowing)
2 of 2 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| A private lender, A private lender, A private lender, A private lender | Outstanding | Mar 2024 |
| The Royal Bank Of Scotland PLC | Outstanding | Feb 1989 |
Where Air Conditioning Design Limited is registered
The registered office is in Middleton (M24), in the Rochdale local authority area, North West. Show M24 6UQ on a map.
Other trade companies in M24
- Robert Homes 4 LimitedProperty developers
- Robert Homes 3 LimitedProperty developers
- Handduo LtdFinishing trades
- Santa Fe Shutters LtdJoiners and carpenters
- Clear Brew Manchester North LtdCleaning companies
- Northwest Elevate LtdProperty developers
- Precise Electrical Projects (NW) LtdElectricians
- DLTT Group LtdElectricians
Also registered at this address
10 other companies use the same registered office as Air Conditioning Design Limited.
- D.P.O Electrical LtdElectricians
- DLTT Group LtdElectricians
- Group2Solutions LtdJoiners and carpenters
- James Lee Construction Services LimitedSpecialist contractors
- M Johnson Construction LtdCivil engineering
- Otsib Consultancy LtdElectricians
- Pipeline Fabrications LtdSpecialist contractors
- PJM Building Services (NW) LtdBuilders
- PKF Joinery LimitedJoiners and carpenters
- T P Tyre & Exhaust LtdMechanics and garages
What happens if Air Conditioning Design 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 02331935
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 December 1988 (37 years ago)
- Registered office
- 46-48 Long Street, Middleton, Manchester, M24 6UQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 8 May 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Middleton
Other active plumbing and heating companies registered in Middleton.
- Anglo Heating & Maintenance Limited2022
- Aph Services Manchester Limited2026
- B J B Plumbing Services Limited2013
- Bee Warm Heating and Maintenance Ltd2019
- Bespoke Bathrooms & Plumbing Services Limited2026
- CDH Plumbing and Heating Limited2024
- Climate Services NW (Projects) Ltd2024
- CPC Plumbing and Heating Limited2024
All plumbing and heating companies in Middleton · All trades in Middleton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Air Conditioning Design Limited's accounts due?
Air Conditioning Design Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Air Conditioning Design Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Air Conditioning Design Limited still trading?
Air Conditioning Design 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 Air Conditioning Design Limited do?
Air Conditioning Design Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Air Conditioning Design Limited?
Air Conditioning Design Limited was incorporated on 30 December 1988, 37 years ago.
Who runs Air Conditioning Design Limited?
Air Conditioning Design Limited has 1 active director. Their names and service addresses are on the Companies House register.
Who owns Air Conditioning Design Limited?
One person or company has significant control of Air Conditioning Design Limited: Air Conditioning Design Eot Limited (owns 75% or more of the shares).
What is the penalty if Air Conditioning Design 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 Air Conditioning Design 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.