- Companies
- Plumbers and heating engineers
- Cranbrook
- Graphite Mechanical Limited
Graphite Mechanical Limited
- Company number
- 15468076
- Incorporated
- 5 Feb 20242 years trading
- Registered office
- Peony House 22 Bramling Gardens, Sissinghurst, Cranbrook, TN17 2DY
- Nature of business
- Plumbing, heat and air-conditioning installation
Graphite Mechanical Limited is a 2-year-old private limited company registered in Cranbrook, company number 15468076, one of 8 plumbing and heating companies in Cranbrook. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 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 £14K (+77.2%) on the year before, to £33K.
- Current assets of £56K against £23K owed within a year: 2.4 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 |
|---|---|---|---|---|---|
| 28 Feb 2026 | £33K | £56K | £23K | 1 | |
| 28 Feb 2025 | £19K | £29K | £9,958 | 1 |
Where Graphite Mechanical Limited is registered
The registered office is in Cranbrook (TN17), in the Tunbridge Wells local authority area, South East. Show TN17 2DY on a map.
Other trade companies in TN17
- Spartan Construction and Building LtdBuilders
- Grandshore Roofing LtdRoofers
- LDC Groundworks LtdCivil engineering
- Coopers Creative LtdProperty developers
- Nas Ac LimitedPlumbers and heating engineers
- Hortus Creative Landscapes LimitedLandscapers and gardeners
- Renzo Pool Services LtdCleaning companies
- Sparkie Fix LtdElectricians
Also registered at this address
1 other company uses the same registered office as Graphite Mechanical Limited.
- Graphite Interiors LtdInstallers
What happens if Graphite Mechanical 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 15468076
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 February 2024 (2 years ago)
- Registered office
- Peony House 22 Bramling Gardens, Sissinghurst, Cranbrook, TN17 2DY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 4 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 Cranbrook
Other active plumbing and heating companies registered in Cranbrook.
- Home Counties Renewables Limited2025
- Luxor Services Group Ltd2024
- Nas Ac Limited2026
- Piped-Right Limited2024
- Aac Group Limited2017
- Air2NRG Limited2009
- Charltons Heating & Plumbing Ltd2017
All plumbing and heating companies in Cranbrook · All trades in Cranbrook · Plumbers and heating engineers across the UK
Frequently asked questions
When are Graphite Mechanical Limited's accounts due?
Graphite Mechanical Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Graphite Mechanical Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Graphite Mechanical Limited still trading?
Graphite Mechanical 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 Graphite Mechanical Limited do?
Graphite Mechanical Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Graphite Mechanical Limited?
Graphite Mechanical Limited was incorporated on 5 February 2024, 2 years ago.
What is the penalty if Graphite Mechanical 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 Graphite Mechanical 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.