- Companies
- Plumbers and heating engineers
- Birmingham
- Ah Insulation and Heating Ltd
Ah Insulation and Heating Ltd
- Company number
- 15656112
- Incorporated
- 17 Apr 20242 years trading
- Registered office
- 83 Bennetts Road, Birmingham, B8 1QJ
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Ah Insulation and Heating Ltd is a 2-year-old private limited company registered in Birmingham, company number 15656112, one of 475 plumbing and heating companies in Birmingham. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 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 £50K (+86.4%) on the year before, to £108K.
- Current assets of £137K against £29K owed within a year: 4.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £108K | £116K | £137K | £29K | 1 |
| 30 Apr 2025 | £58K | £91K | £92K | £22K | 1 |
Where Ah Insulation and Heating Ltd is registered
The registered office is in Birmingham (B8), in the Birmingham local authority area, West Midlands. Show B8 1QJ on a map.
Other trade companies in B8
- Sterling Nexus LtdMotor traders
- BD Automotive LimitedMechanics and garages
- MW (Midland) UK LimitedMotor traders
- Uhz Holdings LtdMechanics and garages
- Redline Performance LtdMechanics and garages
- Revora Developments LtdFinishing trades
- Asif the Valeter LtdMechanics and garages
- Imperial Auto Care LtdMechanics and garages
What happens if Ah Insulation and Heating 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15656112
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 April 2024 (2 years ago)
- Registered office
- 83 Bennetts Road, Birmingham, B8 1QJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 16 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 Birmingham
Other active plumbing and heating companies registered in Birmingham.
- Air Cool Solutions Ltd.2018
- Air Vent Quality Ltd2019
- Airconditioning and Mechanical Services Limited2008
- Airpro Air Conditioning Limited2022
- Aj Gas & Plumbing Ltd2024
- Ajf Plumbing Limited2022
- Ak Eco Energy Ltd2020
- Akaal Purkh Heating Ltd2020
All plumbing and heating companies in Birmingham · All trades in Birmingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ah Insulation and Heating Ltd's accounts due?
Ah Insulation and Heating Ltd's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Ah Insulation and Heating Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Ah Insulation and Heating Ltd still trading?
Ah Insulation and Heating 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 Ah Insulation and Heating Ltd do?
Ah Insulation and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Ah Insulation and Heating Ltd?
Ah Insulation and Heating Ltd was incorporated on 17 April 2024, 2 years ago.
What is the penalty if Ah Insulation and Heating 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 Ah Insulation and Heating 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.