- Companies
- Plumbers and heating engineers
- Sandhurst
- Hallmark Plumbing & Heating Ltd
Hallmark Plumbing & Heating Ltd
- Company number
- 07749382
- Incorporated
- 23 Aug 201115 years trading
- Registered office
- 9 Owlsmoor Road, Owlsmoor, Sandhurst, Berkshire, GU47 0SD
- Nature of business
- Plumbing, heat and air-conditioning installation
Hallmark Plumbing & Heating Ltd is a 15-year-old private limited company registered in Sandhurst, company number 07749382, one of 16 plumbing and heating companies in Sandhurst. 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 up £28K (+22.7%) on the year before, to £151K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £147K against £27K owed within a year: 5.4 times cover.
- 1 employee 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 | £151K | £112K | £147K | £27K | 1 |
| 31 Dec 2024 | £123K | £129K | £155K | £36K | 1 |
| 31 Dec 2023 | £99K | £92K | £144K | £37K | 1 |
| 31 Dec 2022 | £89K | £75K | £145K | £40K | 2 |
| 31 Dec 2021 | £43K | £29K | £121K | £56K | 2 |
| 31 Dec 2020 | £24K | £84K | £84K | £35K | 2 |
| 31 Dec 2019 | £9,551 | £20K | £20K | £18K | 1 |
| 31 Dec 2018 | £15K | £28K | £28K | £21K | 1 |
| 31 Dec 2017 | £10K | £13K | £15K | £13K | 1 |
| 31 Dec 2016 | £12K | £4,446 | £14K | £7,335 | 3 |
Where Hallmark Plumbing & Heating Ltd is registered
The registered office is in Sandhurst (GU47), in the Bracknell Forest local authority area, South East. Show GU47 0SD on a map.
Other trade companies in GU47
- Aurochs Landscapes LimitedLandscapers and gardeners
- Morley Property Improvements LtdBuilders
- Ascent Building Solutions LimitedBuilders
- Apex Roofing & Building Supplies LtdBuilders
- Bullseye110 Services LtdSpecialist contractors
- Patell LtdBuilders
- We Do Wonders LtdCleaning companies
- Kingsfield Electrical LimitedElectricians
What happens if Hallmark Plumbing & 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 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
- 07749382
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 August 2011 (15 years ago)
- Registered office
- 9 Owlsmoor Road, Owlsmoor, Sandhurst, Berkshire, GU47 0SD
- 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
- 23 August 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 Sandhurst
Other active plumbing and heating companies registered in Sandhurst.
- LWM Air Conditioning Ltd2022
- Pipeline Plumbing Solutions Ltd2022
- Proairuk Ltd2024
- Sharp Plumbing Ltd2025
- Surturflame Ltd2025
- The Gas Man Group Limited2020
- Trevara Ltd2025
- Vip Bathrooms Ltd2024
All plumbing and heating companies in Sandhurst · All trades in Sandhurst · Plumbers and heating engineers across the UK
Frequently asked questions
When are Hallmark Plumbing & Heating Ltd's accounts due?
Hallmark Plumbing & Heating Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Hallmark Plumbing & Heating Ltd'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 Hallmark Plumbing & Heating Ltd still trading?
Hallmark Plumbing & 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 Hallmark Plumbing & Heating Ltd do?
Hallmark Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Hallmark Plumbing & Heating Ltd?
Hallmark Plumbing & Heating Ltd was incorporated on 23 August 2011, 15 years ago.
What is the penalty if Hallmark Plumbing & 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 Hallmark Plumbing & 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.