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- Ad Heating Solutions Limited
Company profile · Plumbers and heating engineers
Ad Heating Solutions Limited
Ad Heating Solutions Limited is a 6-year-old private limited company registered in Oxford, company number 12481229, one of 62 plumbing and heating companies in Oxford. Companies House shows its accounts as overdue: they were due on 28 February 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Ad Heating Solutions Limited over the years
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 £10K (-26.2%) on the year before, to £29K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £286K against £256K owed within a year: 1.1 times cover.
- 11 employees on average, down from 15 the year before.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Feb 2024 | £29K | £38K | £286K | £256K | 11 |
| 28 Feb 2023 | £40K | £17K | £130K | £84K | 15 |
| 28 Feb 2022 | £1,197 | £118K | £122K | 12 | |
| 28 Feb 2021 | £19K | £126K | £107K | 5 |
Where Ad Heating Solutions Limited is registered
The registered office is in Oxford (OX2), in the Oxford local authority area, South East. Show OX2 7DL on a map.
Other trade companies in OX2
- Construction Concierge LimitedBuilders
- Crest Maintenance Oxford LtdPainters and decorators
- Oxford Design & Build LimitedBuilders
- Paradisus Gardens LimitedLandscapers and gardeners
- Thumb and Thimble LtdRepair services
- Aj Berry LtdElectricians
- Ox Power and Renewables LtdElectricians
- Macpro GW LimitedProperty developers
Also registered at this address
3 other companies use the same registered office as Ad Heating Solutions Limited.
- D 2 B Construction LtdProperty developers
- Guardian Patios and Landscaping LtdLandscapers and gardeners
- Waterpark Heating LimitedPlumbers and heating engineers
What happens if Ad Heating Solutions Limited files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2026 to 31 Mar 2026 | £150 |
| 1 to 3 months late | 1 Apr 2026 to 31 May 2026 | £375 |
| 3 to 6 months late | 1 Jun 2026 to 31 Aug 2026 | £750 |
| More than 6 months late | From 1 Sep 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2026 | £200 |
| 3 months late | 31 Aug 2026 | another £200 |
| 6 months late | 30 Nov 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2027 | 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
- 12481229
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 2020 (6 years ago)
- Registered office
- 266 Banbury Road, Oxford, OX2 7DL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 29 February 2024
- Last confirmation statement
- 24 February 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 Oxford
Other active plumbing and heating companies registered in Oxford.
- Andrew Job Plumbing & Heating Limited2007
- Arctic Air (Mechanical) Limited2015
- Aza Plumbing and Heating Ltd2025
- Beauchamp & Butler Plumbing & Heating Ltd2006
- BHW Refrigeration & Air Conditioning Limited2004
- Carternicholas Ltd2024
- Cornerstone Phe Ltd2018
- D K S & Son Services Ltd2007
All plumbing and heating companies in Oxford · All trades in Oxford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ad Heating Solutions Limited's accounts due?
Ad Heating Solutions Limited's accounts were due at Companies House on 28 February 2026 and the register shows them as overdue.
When is Ad Heating Solutions Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 February 2025, due by 28 February 2026, and one for the period to 31 May 2025, due by 31 May 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ad Heating Solutions Limited still trading?
Ad Heating Solutions Limited is listed as active on the Companies House register (checked 12 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 Ad Heating Solutions Limited do?
Ad Heating Solutions Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ad Heating Solutions Limited?
Ad Heating Solutions Limited was incorporated on 25 February 2020, 6 years ago.
What is the penalty if Ad Heating Solutions 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 Ad Heating Solutions Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.