- Companies
- Property developers
- Caernarfon
- 31 High ST Limited
31 High ST Limited
- Company number
- 17390666
- Incorporated
- 10 Aug 2026
- Registered office
- 6 Y Maes, Caernarfon, LL55 2NF
- Nature of business
- Development of building projects; Other letting and operating of own or leased real estate
31 High ST Limited is a newly incorporated private limited company registered in Caernarfon, company number 17390666, one of 14 property development companies in Caernarfon. Its next accounts are due at Companies House on 10 May 2028, and its first CT600 is due at HMRC on 9 August 2028.
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 31 High ST 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 31 High ST Limited is registered
The registered office is in Caernarfon (LL55), in the Gwynedd local authority area, Wales. Show LL55 2NF on a map.
Other trade companies in LL55
- Gic Construction & Groundworks LtdInstallers
- Caton Site Welding LtdMachinery repair and installation
- Celtic Heritage Stonemasonry LimitedCivil engineering
- Celtic Heritage Construction LimitedBuilders
- Robertson’S Property Services LtdSpecialist contractors
- Tirion Solutions LtdElectricians
- Melltd LtdProperty developers
- RH Cleaning Solutions LtdCleaning companies
What happens if 31 High ST 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 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 May 2028 to 10 Jun 2028 | £150 |
| 1 to 3 months late | 11 Jun 2028 to 10 Aug 2028 | £375 |
| 3 to 6 months late | 11 Aug 2028 to 10 Nov 2028 | £750 |
| More than 6 months late | From 11 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17390666
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 August 2026
- Registered office
- 6 Y Maes, Caernarfon, LL55 2NF
- Nature of business
- Development of building projects (SIC 41100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Caernarfon
Other active property development companies registered in Caernarfon.
- Adeiladau Ansawdd Arbennig Cyf2024
- Arfon Timber Frames Ltd2023
- Bocs Projects Limited2022
- Cae Glas Developments Ltd2014
- Edgar Jos Developments Ltd2025
- Ers Steel Properties Ltd2025
- Gwynedd Construction Ltd2016
- Gwynedd Development Company Limited2005
All property development companies in Caernarfon · All trades in Caernarfon · Property developers across the UK
Frequently asked questions
When are 31 High ST Limited's accounts due?
31 High ST Limited's next accounts are due at Companies House by 10 May 2028 (in 575 days), covering the period to 31 August 2027.
When is 31 High ST 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 August 2027, due by 9 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is 31 High ST Limited still trading?
31 High ST 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 31 High ST Limited do?
31 High ST Limited is registered under Development of building projects (SIC 41100); Other letting and operating of own or leased real estate (SIC 68209).
How old is 31 High ST Limited?
31 High ST Limited was incorporated on 10 August 2026, less than a year ago.
What is the penalty if 31 High ST 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 31 High ST 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.