Mistake #13: No separate contract and estimate for landscape design
Lack of a separate contract and estimate for landscape design is a common mistake leading to cost overruns, delays, and disputes. Learn how to avoid these problems.
Mistake #13: The absence of a separate contract and estimate for landscape design is one of the most common and costly traps for property owners. It often seems that design is just a conversation, not a full-fledged job, so many ignore the need to formalize this stage. As a result, when the construction contract is already signed, the design itself remains at the level of verbal agreements, sketches in chat, and general phrases. This leads to misunderstandings, delays, and overpayments, because "a handshake, alas, doesn't calculate slopes."
The essence of the mistake: why verbal agreements don't work
The problem is that landscape design is a complex, multi-stage process requiring detailed planning, calculations, and drawings. If a contract for construction work (paving, plantings) has already been concluded, but there is no separate agreement for the project itself, then all stages – from site survey to the development of working drawings and making revisions – remain without a clear framework. The designer works "on credit," the property owner waits for a "complete project," and the foreman on site wants "something to dig." Everyone is confident that the other stages are already included in the general agreement, but in reality, this leads to chaos and inconsistencies. Without an approved set of drawings, deadlines, and costs, each subsequent iteration or requirement is perceived as an unplanned whim, rather than as part of the work process.
Roots of the misconception: why this happens
The reasons for this situation are diverse. Firstly, for many property owners, design doesn't seem like "work" in the traditional sense, but rather a "conversation" or "consultation." They look at the site and think: "You've already inspected everything, what else is there to design here?" Secondly, some contractors themselves offer to "sketch something out" to avoid scaring the client with a "second folder" of documents and additional costs. This creates an illusion of saving money. Thirdly, landscape design studios sometimes fear naming the full cost of design until the client is "hooked" on the object. As a result, drawings seem to be "hidden" within the construction budget, as if they appear on their own while gravel is being brought to the site. This creates ambiguity and deprives both parties of a clear understanding of the scope and cost of design work.
What this will lead to: consequences and financial losses
The absence of a separate estimate for the project makes any revision a source of conflict: one side sees it as a whim, the other as an oversight that "should have been done anyway." If there are not enough sections, material lists, or precise object ties, the crew is forced to guess details by eye, which inevitably leads to errors. Rework on an already started site is always more expensive and takes more time than timely revision of drawings on paper. The dispute begins not about the beauty of a path, but about whether its detail was even included in the "project" that was agreed upon "verbally." Author's supervision also loses its meaning, as it's unclear what exactly to check against a missing or incomplete set of documentation. Ultimately, the season is spent not on the agreed scope of work, but on clarifying relationships. In the end, all these reworks and disputes will have to be paid for, often exceeding the cost of the project itself several times over. For example, moving a 15-meter drainage ditch laid at the wrong slope, or changing the trajectory of a 1.5-meter wide main path already covered with gravel, can cost tens of thousands of rubles, while making changes to the drawings would take a few hours and cost significantly less.
How to avoid mistakes: a step-by-step plan
To avoid these problems, a structured and transparent approach to design is necessary. Here are the key steps:
- Conclude a separate contract for design. This document should clearly define the subject of work (e.g., development of a landscape project for a 15-are plot), stages of execution, deadlines, the composition of the documentation to be issued (sketches, master plan, dendroplan, layout drawing, lists), and rules for making revisions. This creates a legal basis for all further actions and protects the interests of both parties.
- Attach an estimate specifically for design work. The cost of design should be highlighted as a separate line item, not hidden under general "organizational expenses" within the construction estimate. This allows you to clearly see what you are paying for at each stage and to control the project budget.
- Before starting, define what constitutes a sketch, working drawings, and an implementation estimate. Define the criteria for the readiness of each stage. For example, a sketch is a conceptual solution without precise dimensions, while a working drawing is a document with precise ties, slopes, and specifications, according to which the crew can begin construction. This eliminates discrepancies and allows for sequential progress.
- Link stage payments to the delivery and approval of the complete set, not to the arrival of equipment. Design work should be paid upon its completion and your approval of the results. This motivates the designer to work timely and with quality and gives you leverage for control. Do not start paying for construction work until the project is ready and approved.
- Formalize any brief expansion with an addendum. If new ideas emerge or requirements change during the work, this should be recorded in an addendum to the contract, with a recalculation of the scope of work, cost, and deadlines. This avoids disputes about what was "included" in the original scope and what was not.
- Keep the construction contract separate. The contract for construction work should only be concluded after full approval and payment of the design documentation. It is a logical continuation of the project, not its replacement. This approach ensures consistency and minimizes the risks of rework.
Specific planning details and typical failures
For a plot of 15-20 ares, a full-fledged landscape project can take from 2 to 4 months. This period includes geodesic survey, development of several concepts, their detailing, approvals, and making revisions. A typical failure occurs when a property owner tries to save 50-100 thousand rubles on the project but ends up overpaying 200-300 thousand for correcting errors during the construction phase due to the lack of precise drawings. For example, an incorrectly laid slope for storm drainage or a path not accounted for during paving planning will lead to water stagnation, destruction of surfaces, and the need to redo everything. Without detailing materials and their volumes in the estimate, the foreman may purchase the wrong quantity or type of gravel, which will also cause delays and additional costs. Every detail, whether it's connecting outdoor lighting or an automatic irrigation scheme, requires precise calculation and display in the documentation. This avoids situations where, after the lawn has been laid, it turns out that a cable for lighting or drainage was forgotten.
How formspace.design helps structure the project
Using the formspace.design platform can significantly simplify and structure the design stage, even if you work with an external designer or do everything yourself. At the beginning of the work, you can upload your site plan to Module 1.1 "Site Plan", then use Module 1.2 "Zones" to create functional zones. This helps visualize and fix your ideas and requirements before starting detailed project development. You can experiment with the placement of objects, paths, recreation areas, and a vegetable garden, and also use Module 2.1 "AI Concept" to generate various layout options based on your preferences.
These preliminary steps in formspace.design allow you to create a clear technical assignment and a visual representation of the future landscape, which can then be used as a basis for drawing up a design contract. You will be able to show the designer not just "I want something beautiful," but specific zoning schemes, desired functional elements, and even preliminary ideas for style. This approach makes the brief as accurate as possible and reduces the risk of misunderstanding, ensuring transparency and predictability at all stages of project work. This is your first step towards turning abstract desires into concrete drawings and estimates that will be understandable to both you and the executors. Read more about how to start planning in the article "DIY Landscape Design: Where to Start for a Beginner".
Advantages of a transparent approach
A clear contract and estimate for design are not bureaucracy, but an investment in peace of mind and savings. They provide:
- Clarity for all parties: Every participant in the process (owner, designer, builder) knows their tasks, deadlines, and responsibilities precisely.
- Budget control: You understand what you are paying for and can avoid unforeseen expenses for rework.
- High quality: A detailed project minimizes construction errors and ensures the longevity of solutions.
- Time savings: The absence of disputes and misunderstandings accelerates the project implementation process.
- Legal protection: In case of disagreements, you have a document to rely on.
FAQ
Can one do without a separate design contract if the project is small (up to 6 ares)?
Even for a small plot, a separate design contract is highly desirable. Small size does not mean simplicity. On the contrary, on a compact plot, every square meter requires careful planning. Clearly defined stages, drawing composition, and cost will help avoid errors, which on a small area can be even more noticeable and critical due to the lack of "buffer" zones.
What to do if the contractor insists on including the project in the overall construction estimate?
In such a case, it is important to insist on detailing this "included" part. Ask the contractor to provide a separate estimate specifically for design work, indicating the composition of the drawings, deadlines, and cost of each design stage. If they refuse, it's a reason to question their integrity and possible overpricing of other works, as the real cost of the project will be "spread" across other items.
What are the main documents that should be included in the project deliverables?
The basic set usually includes a master plan (layout of all elements), a dendroplan (plant planting scheme), a layout drawing (schemes of paths, platforms with dimensions), lists of materials and plants, and, if necessary, lighting, irrigation, and drainage schemes. For more complex projects, vertical planning, sections, construction details, and visualizations may be required.
What if I want to make changes after the project has been approved?
Making changes after project approval is normal practice, but it is important that the rules for these changes are stipulated in the contract. Typically, a certain number of free iterations are provided, and subsequent ones are paid for by an addendum. This avoids an unlimited number of reworks and protects the designer's time and resources, as well as your financial interests.
How to determine a reasonable cost for landscape design?
The cost of design depends on the complexity of the site, its area, the detail of the project, and the designer's reputation. The best way is to request commercial proposals from several specialists or studios, comparing not only the price but also the scope of work, deadlines, and portfolio. Too low a price may indicate an incomplete project scope or lack of experience, while too high a price may indicate unjustified ambitions. Aim for the average range for your region and level of detail.
What is the difference between a design contract and author's supervision?
A design contract governs the process of creating all necessary drawings and documents for project implementation. Author's supervision is a separate service that involves regular site visits by the designer during construction work to monitor compliance of the work with the approved project. This ensures that the ideas laid out on paper are accurately implemented on the site.
The next step to an ideal landscape
Recognizing the need to formalize the design stage is already a big step towards successful landscape project implementation. Don't be afraid to conclude separate contracts and demand clear estimates. This does not complicate the process but makes it transparent, predictable, and ultimately more economical. Use tools such as formspace.design for preliminary visualization and structuring your ideas to make your dialogue with the designer as productive as possible. Remember that a well-planned project is the foundation of your future garden. If you want to delve deeper into planning, read our article "Mistake #1: Starting a project without a written owner's brief", which thoroughly examines the importance of a written technical assignment.
Published:

Volodymyr Vybornyi
Landscape designer, founder of https://formspace.design/
Writes about landscape design, business, and modern computer-aided landscape planning tools, including AI.