- Companies
- Finishing trades
- Epsom
- Proof Building Services Ltd
Proof Building Services Ltd
- Company number
- 12724124
- Incorporated
- 6 Jul 20206 years trading
- Registered office
- 6 Dartford Court, Glanville Way, Epsom, KT19 8HQ
- Nature of business
- Other building completion and finishing
Proof Building Services Ltd is a 6-year-old private limited company registered in Epsom, company number 12724124, one of 66 building finishing companies in Epsom. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £3,896 (+16.7%) on the year before, to -£19K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £45K against £64K owed within a year: 0.7 times cover.
- 5 employees on average, up from 2 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£19K | £4,835 | £45K | £64K | 5 |
| 31 Mar 2024 | -£23K | £5,342 | £30K | £47K | 2 |
| 31 Mar 2023 | £15 | £35K | £35K | 1 | |
| 31 Mar 2022 | £3,886 | £14K | £9,949 | 0 | |
| 31 Mar 2021 | £302 | £123 | £425 | 0 |
Where Proof Building Services Ltd is registered
The registered office is in Epsom (KT19), in the Epsom and Ewell local authority area, South East. Show KT19 8HQ on a map.
Other trade companies in KT19
- La Clean Co LtdCleaning companies
- Seven Cars Sales LtdMotor traders
- Kassa LimitedProperty developers
- Hampton & Richmond Electrical LtdBuilders
- Quickpro Roofing LtdRoofers
- Aiw Corp LtdElectricians
- Harmony View LimitedInstallers
- Squeaky Cleaners LtdCleaning companies
What happens if Proof Building Services 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 12724124
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 July 2020 (6 years ago)
- Registered office
- 6 Dartford Court, Glanville Way, Epsom, KT19 8HQ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 July 2026
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 Epsom
Other active building finishing companies registered in Epsom.
- Reewop Ltd2025
- Refine Property Maintenance Ltd2020
- Rellium Ltd2010
- Riviera Property Services Ltd2024
- RK Ceiling Ltd2011
- Ronsons Roofing Ltd2017
- S J Pettitt Property Services Ltd2016
- Sabr Property Care Ltd2025
All building finishing companies in Epsom · All trades in Epsom · Finishing trades across the UK
Frequently asked questions
When are Proof Building Services Ltd's accounts due?
Proof Building Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Proof Building Services Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Proof Building Services Ltd still trading?
Proof Building Services 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 Proof Building Services Ltd do?
Proof Building Services Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Proof Building Services Ltd?
Proof Building Services Ltd was incorporated on 6 July 2020, 6 years ago.
What is the penalty if Proof Building Services 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 Proof Building Services 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.