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Real briefs in.
Finished files out.

Nine jobs from a practice’s week, given to the ArchX UK edition: planning, Building Regulations, party wall, tendering, site, drawings and fees. Here is each brief, the files that went in and the files ArchX saved.

Try free for 7 daysSee the nine jobs
Page 1 of the enquiry planning assessment PA-01: a table with one row per enquiry, E1 to E8, giving the deciding measurement, the rule and the recommended application.PA-01 · PlanningMarked copy of proposed ground floor plan LW-200: the 45-degree line from the end of the extension back to the neighbour’s kitchen window, in red, and the centre-based line in blue, with “2.50 m beyond line” dimensioned.LW-PA-03 · 45° checkPage 1 of tender report LW-TR-01: the recommendation of Hartfield Build Ltd at £82,479.60 including VAT and the table of the three tenders as submitted, adjusted for comparison and ranked.LW-TR-01 · Tendering

Nine jobs. Every file real.

We gave ArchX the jobs a practice does every week, in the practice’s own words. It read the files, did the work and saved the results in the project folder.

9jobs

Planning, Building Regulations, party wall, tendering, contract administration, drawings, fees and setting up.

ArchX UK edition · 12 October 2026

99files

Word, Excel, PDF, DXF and 3D files, saved in the project folder and named the way a practice names them.

Counted from the Results folders below

0edits

Nothing was retouched. Every file is as ArchX saved it; the pictures on this page are crops of those files.

Pictures: crops of the saved files and the app

Fictitious test projects for the UK edition. Harbour Lane Architects Ltd, 14 Larch Walk in Sevenoaks, 27 Orchard Lane and every practice, client, neighbour and contractor on this page are invented for testing. The work on them is real.

Planning, measured and argued.

Marked copy of proposed ground floor plan LW-200: the 45-degree line from the end of the extension back to the neighbour’s kitchen window, in red, and the centre-based line in blue, with “2.50 m beyond line” dimensioned.
ResultLW-PA-03 · 45° check drawn on LW-20052 min 43 s

Job 01Planning3 requests · 52 min 43 s

A householder extension, checked before the council sees it.

The brief

“Tell me whether this could go ahead as permitted development or needs planning permission, condition by condition, with the measured value and the limit. Check it against Sevenoaks District Council’s Residential Extensions SPD … Draw the 45-degree check on the plan if you can.”

Then: check the drawing set, the validation checklist and a drawing register. Then: the heritage statement and the floor areas.

  • Not permitted development: 4.00 m deep against a 3.00 m limit, eaves 3.075 m against 3.00 m near the boundary. The route is a householder application.
  • The 45° test to No. 12’s kitchen window, drawn on the plan and on the elevation: the extension crosses the line by 2.50 m.
  • Drawings checked sheet against sheet: parapet 3.10 m on plan and elevation, 3.30 m in the section; window W10 missing from the side elevation.
  • Application fee £548. Extension 21.46 m² GIA and 25.60 m² GEA for the form and the CIL question.

In9 files

  • Client briefTXT
  • Site check notesTXT
  • LW-001 Location plan rev APDF
  • LW-002 Block plan rev APDF
Show all 9 files
  • LW-100 Existing ground floor plan rev APDF
  • LW-110 Existing elevations rev APDF
  • LW-200 Proposed ground floor plan rev APDF
  • LW-210 Proposed elevations rev APDF
  • LW-220 Proposed section A-A rev APDF

Out17 files

  • LW-PD-01 Permitted development assessment Rev P1DOCXPDF
  • LW-SPD-01 Local design guidance check Rev P1DOCXPDF
  • 2026-10-12 LW-PA-03 Drawing measurements and 45 degree checks P1PDF
  • LW-DC-01 Drawing consistency check Rev P1XLSXPDF
Show all 17 files
  • LW-VC-01 Planning application validation checklist Rev P1DOCXXLSXPDF
  • 2026-10-12 Drawing registerXLSXPDF
  • LW-AR-01 Area schedule Rev P1XLSXPDF
  • DRAFT LW-HS-01 Rev P1 Heritage statement – The Vine Conservation AreaDOCXPDF
  • Document registerXLSX
Page 1 of the enquiry planning assessment PA-01: a table with one row per enquiry, E1 to E8, giving the deciding measurement, the rule and the recommended application.
ResultPA-01 · One row per enquiry15 min 32 s

Job 02Planning1 request · 15 min 32 s

Eight enquiries. Eight answers, each with the rule.

The brief

“Eight enquiries came in this week – one PDF each … For each one, tell me whether it can go ahead under permitted development and what we should apply for, with the measurements from the drawings, the limit and the rule. A short table first, one row per enquiry, then a note per case.”

  • E1: 3.00 m deep, exactly at the 3.00 m limit. Apply for a lawful development certificate.
  • E3: 6.00 m on a detached house, within the 8.00 m larger-extension limit. Prior approval.
  • E5: eaves 3.20 m within 2 m of the boundary, over the 3.00 m cap. Lower them by 200 mm or apply.
  • E8: a flat has no householder permitted development rights. Full planning application.
  • One assessment for each client, PDA-E1 to PDA-E8, and a practice summary with the statutory fees.

In8 files

  • Enquiry E1 - 3 Ashdown ClosePDF
  • Enquiry E2 - 9 Mill RowPDF
  • Enquiry E3 - Orchard HousePDF
  • Enquiry E4 - 2 Church LanePDF
Show all 8 files
  • Enquiry E5 - 41 Beech AvenuePDF
  • Enquiry E6 - 6 Quay StreetPDF
  • Enquiry E7 - 18 Elm WayPDF
  • Enquiry E8 - Flat APDF

Out19 files

  • 2026-10-12 PA-01 Enquiry planning assessment Rev ADOCXPDF
  • PDA-E1 Permitted development assessment Rev ADOCXPDF
  • PDA-E2 Permitted development assessment Rev ADOCXPDF
  • PDA-E3 Permitted development assessment Rev ADOCXPDF
Show all 19 files
  • PDA-E4 Permitted development assessment Rev ADOCXPDF
  • PDA-E5 Permitted development assessment Rev ADOCXPDF
  • PDA-E6 Permitted development assessment Rev ADOCXPDF
  • PDA-E7 Permitted development assessment Rev ADOCXPDF
  • PDA-E8 Permitted development assessment Rev ADOCXPDF
  • Document registerXLSX

Building control, CDM, party wall.

Party structure notice PWN-01 under section 3 of the Party Wall etc. Act 1996 to the owner of No. 12: parties, start of work at least two months after service and the description of the work for steel beam S1.
ResultPWN-01 · Party structure notice, section 326 min 10 s

Job 03Building Regulations3 requests · 26 min 10 s

Building Regulations, CDM and party wall. Notices included.

The brief

“Planning is in for 14 Larch Walk. Now Building Regulations … Which route do you recommend … A checklist of the Approved Documents that apply to this extension, with the values the design has to meet. State the edition of each document. … Files I can send to the clients and the engineer, please.”

Then: CDM 2015 duties in three situations. Then: party wall notices for three situations, as documents ready to sign.

  • Route: full plans to the council, with the reason a building notice may be ruled out by the shared drain under the extension.
  • Approved Documents checklist with the edition of each document and the values the design has to meet.
  • CDM 2015 for three set-ups: the 600 person-day job is notifiable to the HSE, even with one contractor.
  • Eight party wall notices under sections 1, 3 and 6, each with a covering letter and a response form. PWN-01 is ready to sign.

In11 files

  • Client briefTXT
  • Neighbouring ownersTXT
  • Site check notesTXT
  • Structural engineer noteTXT
Show all 11 files
  • LW-001 Location plan rev APDF
  • LW-002 Block plan rev APDF
  • LW-100 Existing ground floor plan rev APDF
  • LW-110 Existing elevations rev APDF
  • LW-200 Proposed ground floor plan rev APDF
  • LW-210 Proposed elevations rev APDF
  • LW-220 Proposed section A-A rev APDF

Out21 files

  • BRL-01 Building Regulations route and dutyholdersDOCXPDF
  • 2026-10-12 BRC-01 Approved Document and application checklist Rev AXLSXPDF
  • PWN-01 14 Larch Walk – party structure notice to No. 12DOCXPDF
  • DRAFT PWN-02 14 Larch Walk – line of junction notice to No. 12DOCXPDF
Show all 21 files
  • DRAFT PWN-03 14 Larch Walk – excavation notice to No. 12DOCXPDF
  • DRAFT PWN-04 14 Larch Walk – excavation notice to No. 16DOCXPDF
  • DRAFT PWN-05 7 Mill Terrace – party structure notice to No. 5 freeholderDOCXPDF
  • DRAFT PWN-06 7 Mill Terrace – party structure notice to No. 9 freeholderDOCXPDF
  • DRAFT PWN-07 7 Mill Terrace – notice to No. 9 ground-floor leaseholderDOCXPDF
  • DRAFT PWN-08 7 Mill Terrace – notice to No. 9 first-floor leaseholderDOCXPDF
  • Document registerXLSX

From drawings to a recommendation.

Section 2 of schedule of works LW-SOW-01, groundworks and foundations: each item with quantity, unit and the calculation from the drawings, for example 6.40 × 4.00 = 25.60 m² from LW-200 Rev A.
ResultLW-SOW-01 · Every quantity with its source12 min 46 s

Job 04Tendering1 request · 12 min 46 s

A schedule of works the builders can price. Measured from the drawings.

The brief

“Please prepare the Schedule of Works for tendering from our drawings and the specification notes: items grouped by work section, each with a quantity and unit taken from the drawings and a note of where the quantity comes from … Also draft the invitation to tender letter to three contractors.”

  • Preliminaries and ten work sections. Every quantity with its source, such as “6.40 × 4.00 = 25.60 m², LW-200 Rev A”.
  • Provisional sums of £5,500, a prime cost sum of £965.70 and a £5,000 contingency, the same for every tenderer.
  • An Excel workbook for the builders: rates go in the yellow cells, amounts and totals calculate.
  • Three invitation letters and a Form of Tender: JCT Minor Works 2024, tenders back by midday on 6 November 2026, drawing conflicts named for pricing.

In10 files

  • Specification notesTXT
  • Client briefTXT
  • Site check notesTXT
  • LW-001 Location plan rev APDF
Show all 10 files
  • LW-002 Block plan rev APDF
  • LW-100 Existing ground floor plan rev APDF
  • LW-110 Existing elevations rev APDF
  • LW-200 Proposed ground floor plan rev APDF
  • LW-210 Proposed elevations rev APDF
  • LW-220 Proposed section A-A rev APDF

Out12 files

  • Schedule of works – 14 Larch Walk – rear extension – Rev P1XLSXPDF
  • Invitation to tender – Hartfield Build LtdDOCXPDF
  • Invitation to tender – Oakden Construction LtdDOCXPDF
  • Invitation to tender – Mereworth Builders LtdDOCXPDF
Show all 12 files
  • Form of Tender – 14 Larch Walk – rear extensionDOCXPDF
  • Quantity sources – 14 Larch Walk – rear extension – Rev P1XLSX
  • Document registerXLSX
Page 1 of tender report LW-TR-01: the recommendation of Hartfield Build Ltd at £82,479.60 including VAT and the table of the three tenders as submitted, adjusted for comparison and ranked.
ResultLW-TR-01 · Recommendation and ranking8 min 53 s

Job 05Tendering1 request · 8 min 53 s

Three tenders. Checked, levelled, ranked.

The brief

“Three tenders came back for 14 Larch Walk … Please check them – arithmetic, qualifications, anything missing, provisional sums – compare like with like and write the tender report for our clients with a recommendation. A comparison spreadsheet and the report as a document, please.”

  • Hartfield: two rooflights at £1,450 carried as £3,900. The £1,000 error is flagged; under the invitation’s rules the tender sum stands.
  • Mereworth: lowest on paper at £65,330, but rear wall, patio and steel beam left out. £69,906.50 for comparison.
  • Oakden: drainage sum cut to £2,000 instead of £3,000, asbestos excluded, open for 30 days instead of 56.
  • Recommendation: Hartfield Build Ltd at £82,479.60 including VAT, subject to clarification.

In13 files

  • Return 1 - Hartfield Build Ltd - priced scheduleXLSX
  • Return 2 - Oakden Construction Ltd - tender letterPDF
  • Return 3 - Mereworth Builders Ltd - tenderPDF
  • Schedule of Works rev A (issued 22 Oct 2026)XLSX
Show all 13 files
  • Invitation to tender - summary of our termsTXT
  • Specification notesTXT
  • LW-001 Location plan rev APDF
  • LW-002 Block plan rev APDF
  • LW-100 Existing ground floor plan rev APDF
  • LW-110 Existing elevations rev APDF
  • LW-200 Proposed ground floor plan rev APDF
  • LW-210 Proposed elevations rev APDF
  • LW-220 Proposed section A-A rev APDF

Out4 files

  • Tender analysis – 14 Larch Walk – rear extension – Rev AXLSX
  • Tender report – 14 Larch Walk – rear extension – Rev ADOCXPDF
  • Document registerXLSX

Site notes in. Records out.

Page 1 of site visit report SVR-01: project details, who was present, progress on site and the first observations.
ResultSVR-01 · Site visit report6 min 57 s

Job 06Contract administrationReport and instruction: 6 min 57 s

From site notes to report, instruction, snagging and handover.

The brief

“First, my site visit on 14 December 2026 (notes in Site/): please write it up as a site visit report with actions for the contractor and the clients. Then the clients’ email about a third rooflight: draft the instruction to the contractor and tell me what else changes because of it.”

Later in the same job: the snagging list for the contractor and a handover checklist of the documents the clients should receive.

  • Site visit report: progress, nine observations and the actions for the contractor and the clients, each with a due point.
  • The roof two weeks behind, recorded against the contract completion date of 12 February 2027; the contractor is asked to notify any delay under clause 2.7.
  • Instruction CAI-01 under clauses 3.4 and 3.6 of JCT Minor Works 2024: a third rooflight to match RL1 and RL2, estimated at £1,850.
  • Snagging list for Hartfield before practical completion, handover checklist for the clients.

In11 files

  • Site visit 2026-12-14 notesTXT
  • Email 2026-12-16 additional rooflightTXT
  • Contract particulars (summary)TXT
  • Pre-completion inspection 2027-02-22TXT
Show all 11 files
  • LW-001 Location plan rev APDF
  • LW-002 Block plan rev APDF
  • LW-100 Existing ground floor plan rev APDF
  • LW-110 Existing elevations rev APDF
  • LW-200 Proposed ground floor plan rev APDF
  • LW-210 Proposed elevations rev APDF
  • LW-220 Proposed section A-A rev APDF

Out8 files

  • SVR-01 Site visit reportDOCXPDF
  • DRAFT CAI-01 Additional dining-area rooflightDOCXPDF
  • SNG-01 Pre-completion snagging listDOCXPDF
  • HOL-01 Client handover checklistDOCXPDF

From a survey to options in 3D.

3D massing view of 27 Orchard Lane from the north-east, option A: a 4.0 m rear extension with a flat roof.3D massing view of 27 Orchard Lane from the north-east, option B: a 3.0 m rear extension with a pitched roof.
ResultOptions A and B · 3D massing views28 min 44 s

Job 07Drawings and 3D2 requests · 28 min 44 s

Survey notes in. Plans, two options and 3D massing out.

The brief

“From the measured survey notes in Survey/, please draw the existing ground floor plan of 27 Orchard Lane as a DXF in millimetres – our title block with drawing number OL-100, status SURVEY, scale 1:50 at A3 – with room names, dimensions, a scale bar and a north point, plus a PDF of the sheet.”

Then: two options for a rear extension, 4.0 m with a flat roof and 3.0 m with a pitched roof, each as a plan and a 3D massing model.

  • Existing plan OL-100 as a DXF in millimetres, on the title block at 1:50 on A3, with room names, dimensions, scale bar and north point.
  • Options A and B drawn on the same coordinates: the existing house lines up exactly in all three DXFs.
  • A conflict in the survey notes found and stated on the sheet, with the assumption the drawing uses.
  • Two 3D massing models, a viewer the clients can open and four views.

In1 file

  • Measured survey notes - 27 Orchard LaneTXT

Out13 files

  • 2026-10-12 OL-100 Existing ground floor plan Rev ADXFPDF
  • 2026-10-12 OL-101 Proposed ground floor plan - Option A Rev ADXFPDF
  • 2026-10-12 OL-102 Proposed ground floor plan - Option B Rev ADXFPDF
  • 2026-10-12 OL-101 Option A massingGLB
Show all 13 files
  • 2026-10-12 OL-102 Option B massingGLB
  • 2026-10-12 27 Orchard Lane - Extension optionsHTML
  • 2026-10-12 Option A north-east garden viewPNG
  • 2026-10-12 Option A north-west garden viewPNG
  • 2026-10-12 Option B north-east garden viewPNG
  • 2026-10-12 Option B north-west garden viewPNG

The appointment, to your fee basis.

Services and fees table of fee proposal FP-01: measured survey, brief and concept design, planning and Building Regulations by RIBA stage, totalling £11,350 excluding VAT and £13,620 including VAT.
ResultFP-01 · Services and fees by RIBA stage7 min 50 s

Job 08Fees and appointment1 request · 7 min 50 s

Fee proposal and terms of engagement. Ready to sign.

The brief

“New enquiry – see Documents/. Please write the fee proposal and our terms of engagement letter for Mr G. Example and Ms H. Example for their extension and loft conversion … using our fee basis. They are private clients and we met them at their home. As a document we can send them for signature.”

  • Fees from the practice’s fee basis: £11,350 plus VAT, £13,620 in total, from measured survey to Building Regulations.
  • Services by RIBA stage, Stage 1 to Stage 4. Tendering and contract administration offered as options, estimated at £7,320 including VAT.
  • Met at home, so the terms carry the 14-day cancellation right, the cancellation form and an early-start request under the Consumer Contracts Regulations 2013.
  • Liability limited to £1 million, the practice’s professional indemnity cover.

In2 files

  • Enquiry - 22 Severn GroveTXT
  • Our fee basisTXT

Out5 files

  • FP-01 Fee proposal — extension and loft conversionDOCXPDF
  • TOE-01 Terms of engagement — extension and loft conversionDOCXPDF
  • Document registerXLSX

Set up by asking.

ArchX app: the agent reads the enquiry, saves the practice profile and asks “Update this project’s location?” with place Monmouth, postcode NP25 and nation Wales, and the buttons No and Update.
ResultArchX · Project location set in the conversation47 s

Job 09Setting up1 request · 47 s

A new architect added, the project set to Wales. By asking.

The brief

“I’m new to this app. Our second architect, Sam Okafor (ARB registration 0654321), has joined the practice – please add him so he can appear on the letters he signs. Where will the documents you prepare for this project be saved, and how do I see them? Also, this new enquiry is in Monmouth – does that change anything for this project? Please set it up correctly.”

  • Sam Okafor added to the practice profile with his ARB number, after one click on Save.
  • Project set to Monmouth NP25, Wales, from the enquiry: Welsh planning law and the Building Regulations as applied in Wales now govern it.
  • Where the work goes: the project’s Results folder, letters under Results/Correspondence, all visible under Documents.

In1 file

  • New enquiryTXT

OutSettings saved

  • Practice profileArchitects: Jane Harper, Priya Shah, Sam Okafor
  • Project locationMonmouth NP25, Wales

Before you ask.

Are these real results?

Yes. Every file named on this page is a file ArchX saved in the project’s Results folder, under that name. The pictures are crops of those files and of the app. The projects are fictitious; the work is not.

How was ArchX briefed?

In English, in the conversation, with the project files in the folder. Follow-up requests went into the same conversation. The quotes on this page come from those briefs, shortened where marked with an ellipsis.

Can we try it on our own project?

Yes. ArchX runs on Mac and Windows with your own ChatGPT account or API key. Give it the first job from your own project folder, or book a 20-minute demo and watch it work on a job like yours.

Your next job.
Give it to ArchX.

Planning checks, schedules, tender reports, site reports, drawings. From your own project folder, in British English.

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