GCPH Limited
- Company number
- 16304825
- Incorporated
- 10 Mar 20251 year trading
- Registered office
- 111, ST. Anns House, Guildford Road, Lightwater, GU18 5RA
- Nature of business
- Plumbing, heat and air-conditioning installation
GCPH Limited is a 1-year-old private limited company registered in Lightwater, company number 16304825, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 10 December 2026, and its first CT600 is due at HMRC on 9 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for GCPH LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where GCPH Limited is registered
The registered office is in Lightwater (GU18), in the Surrey Heath local authority area, South East. Show GU18 5RA on a map.
Other trade companies in GU18
- Macklin Bespoke Builders LtdBuilders
- Datumwired LtdElectricians
- Hivum Home LtdBuilders
- LWK2026 LimitedProperty developers
- J&M Luxury Cleaning LtdCleaning companies
- Ideal Projects 29 LtdFinishing trades
- Syncron Plumbing & Heating LtdPlumbers and heating engineers
- Syncron Group LtdElectricians
What happens if GCPH 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 10 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Dec 2026 to 10 Jan 2027 | £150 |
| 1 to 3 months late | 11 Jan 2027 to 10 Mar 2027 | £375 |
| 3 to 6 months late | 11 Mar 2027 to 10 Jun 2027 | £750 |
| More than 6 months late | From 11 Jun 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
- 16304825
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 March 2025 (1 year ago)
- Registered office
- 111, ST. Anns House, Guildford Road, Lightwater, GU18 5RA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 March 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 Lightwater
Other active plumbing and heating companies registered in Lightwater.
All plumbing and heating companies in Lightwater · All trades in Lightwater · Plumbers and heating engineers across the UK
Frequently asked questions
When are GCPH Limited's accounts due?
GCPH Limited's next accounts are due at Companies House by 10 December 2026 (in 59 days), covering the period to 31 March 2026.
When is GCPH 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 9 March 2026, due by 9 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is GCPH Limited still trading?
GCPH 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 GCPH Limited do?
GCPH Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is GCPH Limited?
GCPH Limited was incorporated on 10 March 2025, 1 year ago.
What is the penalty if GCPH 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 GCPH 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.