- Companies
- Installers
- Carmarthen
- K R Guest Groundworks Ltd
K R Guest Groundworks Ltd
- Company number
- 12686239
- Incorporated
- 20 Jun 20206 years trading
- Registered office
- 4 Clos Pentre, ST. Clears, Carmarthen, SA33 4BD
- Nature of business
- Other construction installation
K R Guest Groundworks Ltd is a 6-year-old private limited company registered in Carmarthen, company number 12686239, one of 14 installation companies (insulation, lifts, shutters and similar) in Carmarthen. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £2,644 (+119.7%) on the year before, to £436.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £33K against £39K owed within a year: 0.9 times cover.
- 2 employees on average, up from 0 the year before.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £436 | £2,788 | £33K | £39K | 2 |
| 30 Jun 2025 | -£2,208 | £7,167 | £24K | £42K | 0 |
| 30 Jun 2024 | £33K | £1,200 | £17K | £66 | 0 |
| 30 Jun 2023 | £49K | £1,764 | £57K | £25K | 0 |
| 30 Jun 2022 | £26K | £4,571 | £28K | £18K | 0 |
| 30 Jun 2021 | £18K | £562 | £1,610 | 0 |
Where K R Guest Groundworks Ltd is registered
The registered office is in Carmarthen (SA33), in the Carmarthenshire local authority area, Wales. Show SA33 4BD on a map.
Other trade companies in SA33
- Ajm Energy Solutions LtdElectricians
- RSJS Renovations LtdBuilders
- Blanchart Interiors LtdFinishing trades
- Cathedral City Cleaning LtdCleaning companies
- Zavaschi LimitedCivil engineering
- P & K Kitchens LimitedFinishing trades
- MDJ Carpentry LimitedJoiners and carpenters
- Preston Plumbing Heating LtdPlumbers and heating engineers
What happens if K R Guest Groundworks 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12686239
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2020 (6 years ago)
- Registered office
- 4 Clos Pentre, ST. Clears, Carmarthen, SA33 4BD
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 19 June 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Carmarthen
Other active installation companies (insulation, lifts, shutters and similar) registered in Carmarthen.
- RPW Fire Sprinklers Limited2017
- Studio Claash Limited2026
- Sylwester Construction Ltd2019
- Westcoast Doors Ltd2024
- Woodsy Shopfitting Limited2022
- Zara Interiors Limited2009
- Air Quality Testing Solutions Limited2022
- BGS Home Improvements Ltd2022
All installation companies (insulation, lifts, shutters and similar) in Carmarthen · All trades in Carmarthen · Installers across the UK
Frequently asked questions
When are K R Guest Groundworks Ltd's accounts due?
K R Guest Groundworks Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is K R Guest Groundworks Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is K R Guest Groundworks Ltd still trading?
K R Guest Groundworks 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 K R Guest Groundworks Ltd do?
K R Guest Groundworks Ltd is registered under Other construction installation (SIC 43290).
How old is K R Guest Groundworks Ltd?
K R Guest Groundworks Ltd was incorporated on 20 June 2020, 6 years ago.
What is the penalty if K R Guest Groundworks 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 K R Guest Groundworks 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.