diff --git a/app/routes.py b/app/routes.py
index bd7aa16..86070ac 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -6,7 +6,7 @@ import subprocess
 import threading
 import urllib.parse
 
-from flask import Blueprint, render_template, request, make_response, session, redirect, jsonify, Response
+from flask import Blueprint, render_template, request, make_response, session, redirect, jsonify, Response, current_app
 from wtforms import Form, SelectField, StringField, TextAreaField, validators
 from email_validator import validate_email, EmailNotValidError
 
@@ -155,6 +155,9 @@ def logout() -> Response:
     return redirect('/')
 
 
+FREE_TIER_TEMPLATES = 2
+
+
 @writing_blueprint.route('/add_letter')
 def add_letter() -> Response:
     email_address = session.get('username')
@@ -163,6 +166,8 @@ def add_letter() -> Response:
     user = db.get_user(email_address)
 
     existing_letter_count = len(db.get_user_letters(user.id))
+    if user.in_free_tier() and existing_letter_count >= FREE_TIER_TEMPLATES:
+        return render_index(error=f'A maximum of {FREE_TIER_TEMPLATES} templates are available to each user.')
     new_letter_name = f'Letter{existing_letter_count + 1}'
     default_form_json = jsonify(CLForm().to_cl_data()).get_data(True)
     db.add_letter(user.id, new_letter_name, default_form_json)