- Companies
- Plumbers and heating engineers
- Llanelli
- J Williams Property Management Ltd
J Williams Property Management Ltd
- Company number
- 16452386
- Incorporated
- 15 May 20251 year trading
- Registered office
- 7 Havelock Street, Llanelli, SA15 2BP
- Nature of business
- Plumbing, heat and air-conditioning installation
J Williams Property Management Ltd is a 1-year-old private limited company registered in Llanelli, company number 16452386, one of 29 plumbing and heating companies in Llanelli. Its next accounts are due at Companies House on 15 February 2027, and its first CT600 is due at HMRC on 14 May 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.
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Where J Williams Property Management Ltd is registered
The registered office is in Llanelli (SA15), in the Carmarthenshire local authority area, Wales. Show SA15 2BP on a map.
Other trade companies in SA15
- Annesley Street (Llanelli) LtdProperty developers
- A&J Landscapes and Property Maintenance LimitedLandscapers and gardeners
- A.C Electrics Llanelli LtdElectricians
- Blue Lagoon Paving & Patios LtdLandscapers and gardeners
- Gwyn Towns Installations LtdInstallers
- Ozma Developments LtdProperty developers
- Swansea Mobile Boat Engineers LtdMachinery repair and installation
- South Wales Bathrooms and Heating LtdPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as J Williams Property Management Ltd.
- South Wales Bathrooms and Heating LtdPlumbers and heating engineers
What happens if J Williams Property Management 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 15 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Feb 2027 to 15 Mar 2027 | £150 |
| 1 to 3 months late | 16 Mar 2027 to 15 May 2027 | £375 |
| 3 to 6 months late | 16 May 2027 to 15 Aug 2027 | £750 |
| More than 6 months late | From 16 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16452386
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2025 (1 year ago)
- Registered office
- 7 Havelock Street, Llanelli, SA15 2BP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- D&W Plumbing and Heating Ltd (until 3 Oct 2025)
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 Llanelli
Other active plumbing and heating companies registered in Llanelli.
- Jade & Sons (Plumbing & Heating) Limited2007
- Jrad Ltd2023
- Lewfield Mechanical Ltd2020
- M C Plumbing & Heating Services Limited2023
- Mike West Plumbing and Gas Services Ltd2020
- Pembrey Heating and Plumbing Limited2004
- Prostyle (Wales) Limited2009
- Richard Stephens Heating and Plumbing Ltd2020
All plumbing and heating companies in Llanelli · All trades in Llanelli · Plumbers and heating engineers across the UK
Frequently asked questions
When are J Williams Property Management Ltd's accounts due?
J Williams Property Management Ltd's next accounts are due at Companies House by 15 February 2027 (in 125 days), covering the period to 31 May 2026.
When is J Williams Property Management Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 14 May 2026, due by 14 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is J Williams Property Management Ltd still trading?
J Williams Property Management Ltd is listed as active on the Companies House register (checked 13 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 J Williams Property Management Ltd do?
J Williams Property Management Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J Williams Property Management Ltd?
J Williams Property Management Ltd was incorporated on 15 May 2025, 1 year ago.
What is the penalty if J Williams Property Management 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 J Williams Property Management Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.