converting government renewable energy planning permission csv to geojson

renewables.rb

require 'csv'
require 'rgeo'
require 'proj4'
require 'rgeo/geo_json'
require 'json'

csv_text = File.read('Public_Database_-_Sept_2015.csv')
csv = CSV.parse(csv_text, :headers => true)
features = []
coder = RGeo::GeoJSON::Coder.new

csv.each do |row|
	if row.to_hash["X-coordinate"]
		rowhash = row.to_hash
		x = rowhash["X-coordinate"].gsub(",","")
		y = rowhash["Y-coordinate"].gsub(",","")
		point = RGeo::Geographic.projected_factory(:srid => 27700).point(x, y)
		feature = RGeo::GeoJSON::Feature.new(point, rowhash["Ref ID"], rowhash)
		puts x + " " + y + " " + feature.geometry.as_text
		features << feature
	end
end

collection = RGeo::GeoJSON::FeatureCollection.new(features)
hash = coder.encode(collection)
File.write('Public_Database_-_Sept_2015.geojson', hash.to_json)

not quite doing-the-do yet. Having some difficulties with the projection. Not helped by doing it on Windows...will try on my Mac