A property sale is a sequence of documents before it is a transaction. Each one exists for a purpose, each one is produced by somebody, and each one is signed by somebody or by nobody at all — and the schedule that holds them is the document that decides whether a completion happens on the date agreed or three weeks after it. The expensive telephone call is almost never about the price. It is about a certificate nobody asked for, an authority that has not replied, or a signature that turns out to be needed from a company that was dissolved last year.
This piece sets out the sixteen documents a sale schedule typically carries, what each is for, who produces it, who signs it, and what stalls without it. Then it works a constructed transaction through to a completion statement, because the part of the schedule that people underestimate is the money: the price is one line and the apportionments are three.
One thing is stated first because it governs everything after it. Nothing here is legal advice. Whether a document is required in a particular jurisdiction, whether it is sufficient for its purpose, whether a signature is properly executed and whether a contract binds are questions for a qualified lawyer instructed on the transaction. The agent’s work is to assemble the schedule from the file and the office’s template, record a status and an owner against each line, and mark what is missing. The lawyer decides what it all means and signs the instruments.
The schedule, sixteen lines
A schedule is per transaction, not per jurisdiction. The office’s template gives the shape — the documents that a sale of this kind usually needs in this jurisdiction — and the file gives the rest: which of them this transaction requires, which are already produced, which are outstanding and who owns the gap. The sixteen below are the union of the two.
Table 1. Sixteen documents on a sale schedule: purpose, producer, signatory and what stalls when the line is empty. Source: constructed for this piece; the document set is illustrative and jurisdiction-specific requirements are attributed to the jurisdiction rather than generalised.
| Document | Purpose | Produced by | Signed by | What stalls without it |
|---|---|---|---|---|
| 1. Mandate or instruction letter | Records the terms on which the office acts and its authority to market | The office | The client | The office has no authority to deal, and no fee it can enforce |
| 2. Heads of terms or memorandum of sale | Records the commercial terms agreed before lawyers are instructed | The agent | Both parties, usually non-binding | The parties discover at contract that they agreed different things |
| 3. Identity and source-of-funds evidence | Satisfies the anti-money-laundering duties of the lawyers and the agent | Each party | Each party | The transaction cannot complete, and the delay is not negotiable |
| 4. Title documents: register extract, plan, deeds | Establishes what is owned, by whom and subject to what | The registry or the seller’s lawyer | Nobody; it is a record | No contract can be drafted, because the thing being sold is undefined |
| 5. Searches and enquiries of the authority | Establishes what the local authority knows about the property | The buyer’s lawyer requests, the authority answers | Nobody | Completion is delayed or the buyer’s lender will not proceed |
| 6. Planning permissions and building consents | Establishes what may lawfully be done with the property | The authority, or the seller’s file | Nobody; it is a record | A buyer discovers an unauthorised extension after exchange |
| 7. Survey or condition report | Records the physical state of the property at a date | A surveyor instructed by the buyer | The surveyor, as author | A condition question is answered after exchange, when it is a price argument |
| 8. Valuation report, where a lender requires one | Records the value a lender will lend against | A qualified valuer | The valuer | The buyer’s funding does not exist, and the transaction has no money in it |
| 9. Energy or environmental assessment | Records the property’s assessed performance and any known contamination | An accredited assessor | The assessor | A letting or a lending decision fails a test nobody ran |
| 10. Lease, deeds of variation and licences to alter, where leasehold | Establishes the terms on which the property is held | The landlord’s lawyer, through the seller | The parties to each instrument | The buyer is contracting for an interest nobody has read |
| 11. Service charge accounts and current budget | Establishes what the building costs and what is owed | The managing agent | Nobody | The buyer learns the cost of occupation after completion |
| 12. Pre-contract enquiries and written replies | Puts the buyer’s questions to the seller in a form that can be relied on | The buyer’s lawyer asks, the seller answers | The seller, as author of the replies | Answers arrive orally, and cannot be relied on afterwards |
| 13. Contract or draft agreement | States the operative terms: parties, property, price, completion, risk | The lawyers | Both parties, or their authorised signatories | There is no transaction, only an intention |
| 14. Deposit | Commits the buyer and funds the seller’s remedy if the buyer defaults | The buyer, through its lawyer | The buyer’s lawyer as signatory | Exchange does not happen; there is nothing at stake |
| 15. Requisitions on title and replies | Resolves the outstanding questions between exchange and completion | The buyer’s lawyer asks, the seller answers | The seller | Completion is adjourned on a question everyone assumed was settled |
| 16. Transfer or deed of assignment, with the completion statement | Passes the title and settles the money on the day | The lawyers | Both parties | The buyer owns nothing and the seller has not been paid |
Two of those rows carry more weight than the rest in practice, and both are records rather than instruments. The title documents and the planning file are the two things a buyer can never obtain after completion, and a schedule that treats them as administrative has misunderstood what it is scheduling.
Who signs, and why the column matters
A schedule with a producer column and no signatory column is a list of documents that exist. The signatory column is what turns it into a plan, because a document that needs a signature from a party who has not been asked is an item with a lead time, and lead times are what completion dates are made of.
Three distinctions do most of the work. A document signed by one party binds that party and commits nobody else: the seller’s replies to pre-contract enquiries are the seller’s statements, and the buyer’s remedy for a wrong one runs against the seller, not the lawyer who forwarded it. A document signed by both parties is the transaction itself, and it needs authority on each side — a company signing through a director or an attorney under a power, a co-owner signing where the title is held jointly, an executor signing where the seller is an estate. A document signed by nobody is a record, and records are the ones that arrive late because nobody treats them as work.
The fourth case is the one that stops completions: a document that requires a signature from somebody outside the transaction. A lender’s consent to a sale, a landlord’s consent to an assignment, an authority’s certificate, a tenant’s acknowledgement of a notice. Each of those is a third party’s calendar, and the schedule records who has been asked, when, and what the answer was, because “we are waiting for the landlord” with no date beside it is not a status.
The sequence, and what belongs at each stage
The sixteen documents sort into four stages, and a schedule that does not sort them is a heap with dates in it.
Before exchange, the work is evidence and answers: the mandate, the heads of terms, identity and funds, title, searches, planning, survey, valuation, energy, the lease where there is one, the service charge accounts, the enquiries and their replies. Everything in this stage is designed to let the buyer decide whether to commit, and the schedule’s job is to show which answers are absent, because an exchange on absent answers is a decision taken without evidence.
At exchange, the contract and the deposit do the work. The contract fixes the parties, the property, the price, the completion date and the apportionment convention; the deposit gives the buyer something to lose and the seller something to keep. A schedule that reaches this stage with an unresolved question in the enquiries has converted a question into a claim.
Between exchange and completion, the requisitions on title and their replies close the gap, and the completion statement is prepared. This is the quietest stage and the one where small errors become expensive, because the money is fixed and the arithmetic is being done for the last time.
At completion and after it, the transfer is executed and the money moves; then registration, the notice to the tenant of the change of landlord, and the file’s own close-out. Post-completion items are the ones most often dropped, because everybody involved has been paid.
The money at completion
The price is the headline and the apportionments are the arithmetic. In a sale of a let property, the seller has usually received rent for a period that extends beyond completion, and the buyer is entitled to the rent for the days it owns the reversion. The convention is to apportion the rent for the period rather than to hand over a whole quarter, and the schedule carries the figures so that the completion statement can be checked.
Table 2. A constructed completion statement: price, deposit, and the apportionment of a quarter’s rent paid in advance. Amounts in constructed currency units. Source: constructed for this piece; the apportionment convention is the office’s illustrative one and the lawyer’s statement governs.
| Line | Figure | Arithmetic |
|---|---|---|
| Contract price | 1,890,000.00 | — |
| Less deposit paid at exchange, 10 per cent | (189,000.00) | 1,890,000.00 × 10% |
| Balance due at completion | 1,701,000.00 | 1,890,000.00 − 189,000.00 |
| Less rent apportioned to the buyer, 83 of 90 days at 46,500 a quarter | (42,883.33) | 46,500.00 × 83 ÷ 90 |
| Rent retained by the seller, 7 of 90 days | 3,616.67 | 46,500.00 × 7 ÷ 90 |
| Net to the seller at completion | 1,658,116.67 | 1,701,000.00 − 42,883.33 |
The apportionment adds up in both directions and that is the point of showing it. The quarter runs from 1 January to 31 March 2027, ninety days; completion falls on 8 January, so the seller has owned the reversion for seven days of the quarter and the buyer for eighty-three. The buyer’s eighty-three days are 46,500 × 83 ÷ 90, which is 42,883.33; the seller’s seven are 46,500 × 7 ÷ 90, which is 3,616.67; and the two together are 46,500.00, the rent the tenant actually paid. Nothing is created or lost in the apportionment, which is exactly what a reader should be able to see: the tenant paid a quarter’s rent in advance, and the two owners of the reversion during that quarter divide it between them.
The same division applies to any service charge the tenant has paid in advance on the quarterly cycle: 9,600 a quarter at 83 of 90 days is 8,853.33 to the buyer. What the schedule must not do is apply the convention to figures it does not have, or state a net figure before the lawyer has confirmed the sums due, the redemption of any charge on the title, and the treatment of any arrears. The table above is arithmetic on a constructed file; a completion statement is a legal document and the lawyer prepares it.
The timeline the schedule implies
Dates are computed from the contract, not chosen by the office, and the schedule carries them because they are what an owner is accountable to.
Table 3. The constructed transaction’s dates, each computed from the one before. Constructed for this piece.
| Event | Date | Computation |
|---|---|---|
| Exchange of contracts | Friday 13 November 2026 | The date the parties agree |
| Completion, eight weeks after exchange | Friday 8 January 2027 | 13 November 2026 + 56 days |
| Longstop date, six months after exchange | Thursday 13 May 2027 | 13 November 2026 + 6 months |
| Quarter’s rent apportioned at completion | 7 days seller, 83 days buyer | 1 January to 31 March 2027, 90 days |
| Rent apportioned to the buyer | 42,883.33 | 46,500.00 × 83 ÷ 90 |
The dates are the schedule’s quiet argument. A completion eight weeks after exchange is 56 days, and the last of those days is a Friday, which matters because a completion that falls on a day the registry is closed leaves the buyer owning nothing until the following week. A longstop six months out is the backstop, and it is the date the schedule is really written backwards from: everything outstanding gets an owner and a date because there is a date at which the whole thing fails.
Status, owner, and the discipline of the blank
The column that makes a schedule a control document is status, and the discipline that makes status honest is what it is allowed to contain. Three values are enough: produced, with the date it was received; outstanding, with an owner and the date it was asked for; and not applicable, with the reason. A fourth, “in progress”, is where schedules go to die, because it records activity rather than a state and nobody can tell from it whether the item will arrive.
The blank is the most useful value in the schedule and the one people fill in from memory. Where the file does not establish who owns an item, the row says so, and that gap is itself a finding: a transaction with three unowned items is a transaction that will be late, and the schedule said so a fortnight before anybody noticed. Filling the blank with a plausible name converts a finding into a false assurance, and it is the single most common way a checklist stops working.
Not applicable earns its place beside them. A freehold purchase does not need a lease or a licence to alter; a cash purchase does not need a lender’s valuation. Recording those as not applicable, with the reason, is different from leaving them blank: the first states a conclusion about this transaction, the second leaves the reader unable to tell whether the question was asked.
The schedule, worked
The constructed transaction below closes the loop between the template and the file, and its arithmetic is the schedule’s own.
Sixteen lines, of which eleven are produced, three are outstanding and two are not applicable — which is sixteen, and the sum is the first check a reader should run, because a schedule whose statuses do not add to the line count has lost a row. The eleven produced items are the mandate, the heads of terms, identity and funds, title, the searches, the survey, the contract, the deposit, the transfer on its draft, the replies to the enquiries and the completion statement in draft. The three outstanding are the planning file from the authority, the last two quarters’ rent statements from the seller’s agent and an answer on the roof from the seller’s surveyor, each with an owner and a date. The two not applicable are the lease documents, because the property is freehold, and the lender’s valuation, because the buyer is paying cash.
Two observations follow. The first is that none of the three outstanding items is a legal question: they are records and answers, they have owners, and each would have been invisible in a schedule that recorded status as “in progress”. The second is that the two not-applicable lines are the ones that would have looked like gaps: a reader scanning for a lease and a valuation and finding neither would have concluded the file was incomplete, and the schedule’s job is to say which absences are findings and which are facts about the transaction.
What the schedule cannot do
Three limits bound this work and the first is the boundary stated at the top. A schedule records that a document exists, who produced it, who signed it and when. It cannot establish that the document is sufficient for its purpose, properly executed, or effective — those are conclusions that turn on the law of the jurisdiction and on the instrument, and they belong to a qualified person. A schedule with every line produced is not a transaction that is safe; it is a transaction whose questions are all on the table.
The second limit is jurisdiction. The sixteen rows above describe a sale of a commercial property in a common-law jurisdiction with a registry, a contract and a completion. Another jurisdiction has different documents, different authorities and a notary where this one has a lawyer, and the schedule is rebuilt for it rather than adjusted. Generalising one jurisdiction’s list into a fact about property everywhere is the failure this piece is built to avoid.
The third is that a schedule inherits the quality of the template underneath it. An office whose template omits the energy assessment will produce schedules that omit it, every time, with a status column that adds up perfectly. The template is the institutional knowledge, and the schedule’s completeness on any given transaction is a statement about the template as much as about the file.
The decision at the end
The closing decision is a sign-off rule, and it is deliberately mechanical: no completion is scheduled until every line is produced, not applicable with a reason, or outstanding with an owner and a date, and no line carries a blank. Where a line is outstanding on the day the completion statement is prepared, the decision is not to schedule around it but to say what it would change — a completion date, a retention, a price adjustment — and to put that in front of the person who can decide it.
That is the whole discipline of the document, and it is worth more than any individual row. A schedule that is honest about three gaps on a Friday is a transaction that completes on the date it promised; a schedule that is confident about three gaps is the telephone call three days before exchange.
Where this goes
- The pillar: x402.review/2026/10/31/property/ — the six documents and the boundary this piece works inside
- The role: studio.x402.press/roles/real_estate_assistant — the agent that builds the schedule
- The service it buys: x402.press/services/deepseek/ — the canonical price
- The review: x402.review/2026/10/31/deepseek-review/ — the measured handshake
The cost of a schedule
One schedule is six paid model calls: one to read the office’s template, one to read the file’s document list, one per group of documents to set a status and an owner, one to draft the rows and one to check every date and figure against the instrument it came from. At the measured DeepSeek rate on Base — $0.00700 a short-prompt call under exact — that is $0.04200.
The schedule is among the cheapest of the six documents in a deal to produce — six calls, level with the client proposal — and the one that saves the most hours, which is an argument about where the calls go rather than about the price. One complete deal is fifty calls and $0.35000 at the measured rate; the schedule is 12 per cent of it. The $0.00875 that circulates as DeepSeek’s price is Qwen’s measured rate, and at it these six calls would read $0.05250.
Method note
The price was read from the live 402 handshake at the DeepSeek endpoint on Base on 31 October 2026 at 09:19 UTC: $0.00700 for a short prompt under exact, $0.00955 for a long prompt under exact and as the upto ceiling at max_tokens: 1000. The arithmetic in Tables 2 and 3 was computed from the figures stated: 1,890,000 × 10 per cent is 189,000; the balance is 1,701,000; 46,500 × 83 ÷ 90 is 42,883.33 and 46,500 × 7 ÷ 90 is 3,616.67, which together return 46,500.00; the net to the seller is 1,658,116.67; the sixteen lines divide eleven, three and two. The transaction, the property, the parties, the dates and the documents are constructed for this piece and describe no real sale. Nothing in this piece is legal, tax or valuation advice, and no document listed here is asserted to be required or sufficient in any jurisdiction: the agent assembles the schedule, records a status and an owner against each line, and a qualified lawyer advises and signs.
x402.review is written and edited by N.P. Vincent. The publication is connected to x402.press, which sells the services reviewed here; that interest is disclosed on every piece that touches a service, and it is stated here rather than left to inference.
Filed under Jobs · Tags: property, sale-agreement, documents, checklist
