- Companies
- Plumbers and heating engineers
- Middlesbrough
- Coldtech Refrigeration & Air Conditioning Ltd
Coldtech Refrigeration & Air Conditioning Ltd
- Company number
- 09421934
- Incorporated
- 4 Feb 201511 years trading
- Registered office
- 384 Linthorpe Road, Middlesbrough, TS5 6HA
- Nature of business
- Plumbing, heat and air-conditioning installation
Coldtech Refrigeration & Air Conditioning Ltd is a 11-year-old private limited company registered in Middlesbrough, company number 09421934, one of 62 plumbing and heating companies in Middlesbrough. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £29K (-90.6%) on the year before, to £3,036.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £264K against £261K owed within a year: 1.0 times cover.
- 19 employees on average, up from 17 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 Mar 2025 | £3,036 | £48K | £264K | £261K | 19 |
| 31 Mar 2024 | £32K | £135K | £313K | £304K | 17 |
| 31 Mar 2023 | £62K | £287K | £470K | £428K | 15 |
| 31 Mar 2022 | £50K | £136K | £289K | £241K | 11 |
| 31 Mar 2021 | £58K | £106K | £183K | £103K | 11 |
| 31 Mar 2020 | £52K | £86K | £183K | £144K | 10 |
| 31 Mar 2019 | £49K | £63K | £175K | £133K | 10 |
| 31 Mar 2018 | £37K | £29K | £133K | £107K | 9 |
| 31 Mar 2017 | £10K | £3,170 | £87K | £87K | 10 |
| 31 Mar 2016 | £34K | £70K | £135K | £113K |
Public contracts won
Coldtech Refrigeration & Air Conditioning Ltd has one public sector contract award on record; the ones with their own published value total £9,611 (2026). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Northumbria Healthcare Facilities Management | Replacement Fan Coil Unit | £9,611 | 15 May 2026 |
Where Coldtech Refrigeration & Air Conditioning Ltd is registered
The registered office is in Middlesbrough (TS5), in the Middlesbrough local authority area, North East. Show TS5 6HA on a map.
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Also registered at this address
18 other companies use the same registered office as Coldtech Refrigeration & Air Conditioning Ltd.
- @ Howard's Decor LtdPainters and decorators
- A C Paintless Dent Removal LtdMechanics and garages
- Beddard Heating Services LtdPlumbers and heating engineers
- Christine O'Connor Cleaning LtdCleaning companies
- Coakes and Coulson Associates LtdBuilders
- Design Build Space LtdFinishing trades
- Dme Online LtdMotor traders
- Dualbound Properties LimitedElectricians
- Faw Trucks UK LimitedMotor traders
- Good Life Adventure Outfitters LtdMechanics and garages
- L M Patton LtdSpecialist contractors
- Mobile Paint 'N' Polish LtdMechanics and garages
- NG Auto Services LimitedMechanics and garages
- Quick Car Buyers LtdMotor traders
- SCR Contracting LtdGroundworks and demolition
- Simply Brickwork LtdSpecialist contractors
- Telmax LimitedElectricians
- Thermedge LimitedFinishing trades
What happens if Coldtech Refrigeration & Air Conditioning Ltd 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 09421934
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 February 2015 (11 years ago)
- Registered office
- 384 Linthorpe Road, Middlesbrough, TS5 6HA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 April 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 Middlesbrough
Other active plumbing and heating companies registered in Middlesbrough.
- Coulby Newham Plumbing & Heating Limited2009
- Cozi Plumbing Heating & Gas Ltd2026
- DK Heating Ltd2024
- Dsi Trading Ltd2018
- Elite Air Conditioning & Refrigeration Limited2008
- Expert Plumbing Limited2020
- Fernhouse Gardens & Homes Ltd2025
- FTS Group Limited1991
All plumbing and heating companies in Middlesbrough · All trades in Middlesbrough · Plumbers and heating engineers across the UK
Frequently asked questions
When are Coldtech Refrigeration & Air Conditioning Ltd's accounts due?
Coldtech Refrigeration & Air Conditioning Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Coldtech Refrigeration & Air Conditioning Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Coldtech Refrigeration & Air Conditioning Ltd still trading?
Coldtech Refrigeration & Air Conditioning Ltd 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 Coldtech Refrigeration & Air Conditioning Ltd do?
Coldtech Refrigeration & Air Conditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Coldtech Refrigeration & Air Conditioning Ltd?
Coldtech Refrigeration & Air Conditioning Ltd was incorporated on 4 February 2015, 11 years ago.
Has Coldtech Refrigeration & Air Conditioning Ltd won public sector contracts?
Yes. Coldtech Refrigeration & Air Conditioning Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £9,611), most recently from Northumbria Healthcare Facilities Management.
What is the penalty if Coldtech Refrigeration & Air Conditioning Ltd 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 Coldtech Refrigeration & Air Conditioning Ltd 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.