- Companies
- Finishing trades
- Abergavenny
- Smartbuild Energy Ltd
Smartbuild Energy Ltd
- Company number
- 16843975
- Incorporated
- 10 Nov 2025
- Registered office
- 25 Jasper Tudor Crescent, Llanfoist, Abergavenny, NP7 9AZ
- Nature of business
- Other building completion and finishing
Smartbuild Energy Ltd is a newly incorporated private limited company registered in Abergavenny, company number 16843975, one of 9 building finishing companies in Abergavenny. Its next accounts are due at Companies House on 10 August 2027, and its first CT600 is due at HMRC on 9 November 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 Smartbuild Energy Ltd is registered
The registered office is in Abergavenny (NP7), in the Monmouthshire local authority area, Wales. Show NP7 9AZ on a map.
Other trade companies in NP7
- Abergavenny Car Wash LimitedMechanics and garages
- Prysm Group LimitedBuilders
- Lanes Recovery (Gloucester) LimitedMechanics and garages
- The Reliable Cleaning Company LtdCleaning companies
- Danter Properties LtdProperty developers
- Aseado Cleaning LtdCleaning companies
- J W Property and Garden Maintenance LtdProperty developers
- Pro Build Concepts LimitedProperty developers
What happens if Smartbuild Energy 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 10 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Aug 2027 to 10 Sep 2027 | £150 |
| 1 to 3 months late | 11 Sep 2027 to 10 Nov 2027 | £375 |
| 3 to 6 months late | 11 Nov 2027 to 10 Feb 2028 | £750 |
| More than 6 months late | From 11 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16843975
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 November 2025
- Registered office
- 25 Jasper Tudor Crescent, Llanfoist, Abergavenny, NP7 9AZ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Abergavenny
Other active building finishing companies registered in Abergavenny.
- Tollstone Ltd2020
- Blue Kite Trading Limited2020
- DC Thomas & Sons Ltd2025
- Lloyds Construction (Cymru) Limited2002
- Reactive Property Maintenance ( S. Wales) Limited2014
- Realseal Home Improvements Ltd2009
- S Morgan Building & Landscaping Ltd2024
- Sion Jones Builders Limited2003
All building finishing companies in Abergavenny · All trades in Abergavenny · Finishing trades across the UK
Frequently asked questions
When are Smartbuild Energy Ltd's accounts due?
Smartbuild Energy Ltd's next accounts are due at Companies House by 10 August 2027 (in 301 days), covering the period to 30 November 2026.
When is Smartbuild Energy 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 9 November 2026, due by 9 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smartbuild Energy Ltd still trading?
Smartbuild Energy 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 Smartbuild Energy Ltd do?
Smartbuild Energy Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Smartbuild Energy Ltd?
Smartbuild Energy Ltd was incorporated on 10 November 2025, less than a year ago.
What is the penalty if Smartbuild Energy 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 Smartbuild Energy 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.